/* ===== CONSOLIDATED CSS VARIABLES - ENHANCED DYNAMIC THEMING ===== */
:root {
    /* Core Theme Colors - Default Dark Theme Base */
    --primary-color: #5e60ce;
    --primary-rgb: 94, 96, 206;
    --secondary-color: #23262f;
    --accent-color: #8b5cf6;
    --background-overlay: rgba(24, 26, 32, 0.85);
    --interface-opacity: 0.7;
    --gradient-start: #5e60ce;
    --gradient-end: #8b5cf6;
    --text-glow: 0 0 10px rgba(94, 96, 206, 0.3);
    --button-hover: rgba(94, 96, 206, 0.15);
    --animations-enabled: 1;
    --switch-color: #5e60ce;

    /* Contrast and Accessibility */
    --contrast-ratio: 4.5; /* WCAG AA standard */
    --text-on-primary: #ffffff;
    --text-on-secondary: #e0e0e0;
    --text-on-accent: #ffffff;
    --text-on-background: #e0e0e0;
    --border-opacity: 0.3;
    --hover-opacity: 0.15;
    --active-opacity: 0.25;

    /* UI Component Colors - Chat Interface */
    --chat-bg: rgba(24, 26, 32, 0.95);
    --chat-text: var(--text-on-background);
    --chat-header-bg: rgba(255, 255, 255, 0.05);
    --chat-border: #5e60ce;
    --chat-input-bg: rgba(255, 255, 255, 0.1);
    --chat-input-text: var(--text-on-background);
    --chat-input-placeholder: rgba(255, 255, 255, 0.6);
    --chat-message-user-bg: #1e253c;
    --chat-message-user-text: var(--text-on-background);
    --chat-message-kimi-bg: #23262f;
    --chat-message-kimi-text: var(--text-on-background);

    /* Modal & Overlay Colors */
    --modal-bg: rgba(24, 26, 32, 0.98);
    --modal-border: #5e60ce;
    --modal-header-bg: linear-gradient(135deg, #5e60ce, #8b5cf6);
    --modal-text: var(--text-on-background);
    --modal-title-color: #e0e0e0;
    --modal-overlay-bg: rgba(0, 0, 0, 0.8);
    --modal-close-hover-bg: rgba(255, 255, 255, 0.2);

    /* Settings Panel & Tabs */
    --settings-bg: #0f1114;
    --settings-text: var(--text-on-background);
    --settings-tab-bg: #181a20;
    --settings-tab-color: #bfa6b6;
    --settings-tab-hover-bg: rgba(255, 255, 255, var(--hover-opacity));
    --settings-tab-hover-color: rgba(255, 255, 255, 0.9);
    --settings-tab-active-bg: #5e60ce;
    --settings-tab-active-color: var(--text-on-primary);
    --settings-tab-border: #5e60ce;
    --settings-section-bg: #1a1d23;
    --settings-section-border: rgba(94, 96, 206, var(--border-opacity));
    --settings-section-header-color: var(--text-on-background);

    /* Form Element Colors */
    --input-bg: rgba(255, 255, 255, 0.1);
    --input-text: var(--text-on-background);
    --input-border: #5e60ce;
    --input-focus-bg: rgba(255, 255, 255, var(--hover-opacity));
    --input-focus-border: #8b5cf6;
    --input-placeholder: rgba(255, 255, 255, 0.6);

    /* Button Colors */
    --button-primary-bg: var(--primary-color);
    --button-primary-text: var(--text-on-primary);
    --button-primary-hover-bg: var(--accent-color);
    --button-secondary-bg: rgba(255, 255, 255, 0.05);
    --button-secondary-text: var(--text-on-background);
    --button-secondary-hover-bg: rgba(255, 255, 255, var(--hover-opacity));
    --button-danger-bg: #e74c3c;
    --button-danger-text: #ffffff;
    --button-danger-hover-bg: #c0392b;

    /* Select & Dropdown Options */
    --select-bg: var(--input-bg);
    --select-text: var(--input-text);
    --select-border: var(--input-border);
    --select-option-bg: rgba(24, 26, 32, 0.95);
    --select-option-text: var(--text-on-background);
    --select-option-hover-bg: #5e60ce;
    --select-option-hover-text: var(--text-on-primary);
    --select-option-checked-bg: #8b5cf6;
    --select-option-checked-text: var(--text-on-accent);
    --select-option-disabled-bg: rgba(24, 26, 32, 0.5);
    --select-option-disabled-text: #666;

    /* Slider Components */
    --slider-track-bg: rgba(255, 255, 255, 0.1);
    --slider-track-active-bg: var(--primary-color);
    --slider-thumb-bg: var(--primary-color);
    --slider-thumb-hover-bg: var(--accent-color);
    --slider-value-bg: #0f1114;
    --slider-value-border: #5e60ce;
    --slider-value-color: var(--text-on-background);

    /* Toggle Switch */
    --switch-bg-inactive: rgba(255, 255, 255, 0.05);
    --switch-bg-active: linear-gradient(90deg, #5e60ce, #8b5cf6);
    --switch-thumb-color: #ffffff;
    --switch-thumb-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);

    /* Mic Button & Pulse Effect */
    --mic-button-bg: var(--button-hover);
    --mic-button-border: #5e60ce;
    --mic-button-shadow: 0 0 15px #5e60ce;
    --mic-button-hover-bg: #5e60ce;
    --mic-button-hover-shadow: 0 0 10px rgba(94, 96, 206, 0.5);
    --mic-button-icon-color: var(--text-on-primary);
    --mic-listening-border: #27ae60;
    --mic-listening-shadow: 0 0 15px #27ae60;
    --mic-pulse-color: rgba(39, 174, 96, 0.5);
    --mic-pulse-listening-color: rgba(39, 174, 96, 0.4);

    /* Video crossfade timing */
    --video-fade-duration: 400ms;

    /* Cards & Stats */
    --card-bg: rgba(255, 255, 255, 0.02);
    --card-border: rgba(255, 255, 255, 0.05);
    --card-hover-bg: rgba(255, 255, 255, 0.05);
    --card-text: var(--text-on-background);
    --stat-value-color: #8b5cf6;
    --stat-label-color: rgba(224, 224, 224, 0.7);

    /* Plugin Cards */
    --plugin-card-bg: linear-gradient(135deg, #1a1d23 80%, rgba(24, 26, 32, 0.98) 100%);
    --plugin-card-border: #5e60ce;
    --plugin-card-title-color: var(--text-on-background);
    --plugin-card-desc-color: rgba(224, 224, 224, 0.7);
    --plugin-card-author-color: rgba(224, 224, 224, 0.5);
    --plugin-type-badge-bg: #8b5cf6;
    --plugin-type-badge-text: var(--text-on-accent);
    --plugin-active-badge-bg: linear-gradient(90deg, #5e60ce, #8b5cf6);
    --plugin-active-badge-text: var(--text-on-primary);

    /* Help Modal */
    --help-modal-bg: rgba(24, 26, 32, 0.98);
    --help-modal-border: #5e60ce;
    --help-content-color: var(--text-on-background);
    --help-section-border: rgba(255, 255, 255, 0.1);
    --creator-card-bg: rgba(255, 255, 255, 0.02);
    --creator-card-border: rgba(255, 255, 255, 0.05);
    --creator-avatar-bg: linear-gradient(135deg, #5e60ce, #8b5cf6);
    --creator-name-color: #8b5cf6;
    --creator-role-bg: linear-gradient(135deg, #5e60ce, #8b5cf6);
    --creator-role-color: var(--text-on-primary);
    --philosophy-bg: rgba(94, 96, 206, 0.05);
    --philosophy-border: rgba(94, 96, 206, var(--border-opacity));
    --philosophy-border-left: #5e60ce;
    --feature-item-bg: rgba(255, 255, 255, 0.02);
    --feature-item-border: rgba(94, 96, 206, var(--border-opacity));
    --feature-icon-color: #8b5cf6;
    --feature-title-color: #8b5cf6;
    --feature-text-color: rgba(224, 224, 224, 0.7);
    --guide-step-bg: rgba(255, 255, 255, 0.02);
    --guide-step-number-bg: rgba(94, 96, 206, var(--hover-opacity));
    --guide-step-number-color: var(--primary-color);
    --tip-item-bg: rgba(255, 255, 255, 0.02);
    --tip-item-border: var(--feature-item-border);

    /* Unified Scrollbar System */
    --scrollbar-width: 8px !important;
    --scrollbar-track-bg: rgba(255, 255, 255, 0.02) !important;
    --scrollbar-thumb-bg: rgba(94, 96, 206, 0.4) !important;
    --scrollbar-thumb-hover-bg: rgba(94, 96, 206, 0.6) !important;
    --scrollbar-thumb-active-bg: rgba(94, 96, 206, 0.8) !important;
    --scrollbar-corner-bg: rgba(255, 255, 255, 0.05) !important;

    /* Model Colors */
    --model-card-bg: rgba(255, 255, 255, 0.02);
    --model-card-border: rgba(255, 255, 255, 0.05);
    --model-card-hover-bg: rgba(255, 255, 255, 0.05);
    --model-card-selected-border: var(--primary-color);
    --model-card-selected-shadow: 0 0 0 2px rgba(94, 96, 206, var(--border-opacity));
    --model-name-color: var(--text-on-background);
    --model-description-color: rgba(224, 224, 224, 0.7);
    --model-strength-color: #5e60ce;
    --model-strength-text: var(--text-on-primary);
    --model-provider-color: #8b5cf6;
    --model-provider-text: var(--text-on-accent);

    /* Text Colors */
    --text-primary: var(--text-on-background);
    --text-secondary: #9ca3af;
    --text-muted: rgba(224, 224, 224, 0.6);

    /* Character Selection Colors */
    --character-card-bg: rgba(255, 255, 255, 0.02);
    --character-card-border: rgba(255, 255, 255, 0.05);
    --character-card-hover-bg: rgba(255, 255, 255, 0.05);
    --character-selected-border: #8b5cf6;
    --character-selected-bg: rgba(94, 96, 206, 0.1);
    --character-name-color: var(--text-on-background);

    /* Waiting Indicator */
    --waiting-indicator-color: var(--primary-color);
    --loading-spinner-color: var(--primary-color);

    /* Progress Bar */
    --progress-bg: rgba(255, 255, 255, 0.05);
    --progress-fill-bg: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    --progress-text-color: var(--text-on-background);

    /* Transcript */
    --transcript-bg: rgba(0, 0, 0, 0.9);
    --transcript-text: var(--text-on-background);
    --transcript-border: var(--primary-color);
}

/* ===== OPTIMIZED THEME VARIATIONS ===== */
[data-theme="pink"] {
    /* Core Theme Colors - Pink Passion */
    --primary-color: #ff6b9d;
    --primary-rgb: 255, 107, 157;
    --secondary-color: #ffeaa7;
    --accent-color: #fd79a8;
    --background-overlay: rgba(255, 107, 157, 0.15);
    --gradient-start: #ff6b9d;
    --gradient-end: #fd79a8;
    --text-glow: 0 0 10px rgba(255, 107, 157, 0.5);
    --button-hover: rgba(255, 107, 157, 0.3);
    --switch-color: var(--primary-color);

    /* Contrast and Accessibility */
    --text-on-primary: #ffffff;
    --text-on-secondary: #222222;
    --text-on-accent: #ffffff;
    --text-on-background: #ffffff;

    /* UI Component Colors - Chat Interface */
    --chat-bg: rgba(255, 107, 157, 0.9);
    --chat-text: var(--text-on-primary);
    --chat-header-bg: rgba(255, 255, 255, 0.05);
    --chat-border: var(--primary-color);
    --chat-input-bg: rgba(255, 255, 255, 0.1);
    --chat-input-text: var(--text-on-background);
    --chat-input-placeholder: rgba(255, 255, 255, 0.6);
    --chat-message-user-bg: var(--primary-color);
    --chat-message-user-text: var(--text-on-primary);
    --chat-message-kimi-bg: rgba(255, 255, 255, 0.15);
    --chat-message-kimi-text: var(--text-on-background);

    /* Modal & Overlay Colors */
    --modal-bg: rgba(255, 107, 157, 0.95);
    --modal-border: var(--primary-color);
    --modal-header-bg: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --modal-text: var(--text-on-primary);
    --modal-title-color: var(--text-on-secondary);
    --modal-overlay-bg: rgba(0, 0, 0, 0.8);
    --modal-close-hover-bg: rgba(255, 255, 255, 0.2);

    /* Settings Panel & Tabs */
    --settings-bg: #181018;
    --settings-text: var(--text-on-background);
    --settings-tab-bg: #1a1a1a;
    --settings-tab-color: #bfa6b6;
    --settings-tab-hover-bg: rgba(255, 255, 255, var(--hover-opacity));
    --settings-tab-hover-color: rgba(255, 255, 255, 0.9);
    --settings-tab-active-bg: var(--primary-color);
    --settings-tab-active-color: var(--text-on-primary);
    --settings-tab-border: var(--primary-color);
    --settings-section-bg: #22121a;
    --settings-section-border: rgba(255, 107, 157, var(--border-opacity));
    --settings-section-header-color: var(--text-on-background);

    /* Form Element Colors */
    --input-bg: rgba(255, 255, 255, 0.1);
    --input-text: var(--text-on-background);
    --input-border: var(--primary-color);
    --input-focus-bg: rgba(255, 255, 255, var(--hover-opacity));
    --input-focus-border: var(--accent-color);
    --input-placeholder: rgba(255, 255, 255, 0.6);

    /* Button Colors */
    --button-primary-bg: var(--primary-color);
    --button-primary-text: var(--text-on-primary);
    --button-primary-hover-bg: var(--accent-color);
    --button-secondary-bg: rgba(255, 255, 255, 0.1);
    --button-secondary-text: var(--text-on-background);
    --button-secondary-hover-bg: rgba(255, 255, 255, var(--hover-opacity));

    /* All other pink theme variables... */
    --slider-track-bg: rgba(255, 255, 255, 0.1);
    --slider-track-active-bg: var(--primary-color);
    --slider-thumb-bg: var(--primary-color);
    --slider-thumb-hover-bg: var(--accent-color);
    --slider-value-bg: #181018;
    --slider-value-border: var(--primary-color);
    --slider-value-color: var(--text-on-background);

    /* Toggle Switch */
    --switch-bg-inactive: rgba(255, 255, 255, 0.15);
    --switch-bg-active: linear-gradient(90deg, var(--primary-color), var(--accent-color));

    /* Mic Button & Pulse Effect */
    --mic-button-bg: var(--button-hover);
    --mic-button-border: var(--primary-color);
    --mic-button-shadow: 0 0 15px var(--primary-color);
    --mic-button-hover-bg: var(--primary-color);
    --mic-button-hover-shadow: var(--text-glow);
    --mic-button-icon-color: var(--text-on-primary);

    /* Cards & Stats */
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --card-hover-bg: rgba(255, 255, 255, 0.08);
    --stat-value-color: var(--primary-color);
    --stat-label-color: rgba(255, 255, 255, 0.7);

    /* Character Selection Colors */
    --character-card-bg: var(--card-bg);
    --character-card-border: var(--card-border);
    --character-card-hover-bg: var(--card-hover-bg);
    --character-selected-border: var(--primary-color);
    --character-selected-bg: rgba(255, 107, 157, 0.13);
    --character-name-color: var(--text-on-background);
}

[data-theme="blue"] {
    --primary-color: #74b9ff;
    --primary-rgb: 116, 185, 255;
    --secondary-color: #81ecec;
    --accent-color: #0984e3;
    --background-overlay: rgba(116, 185, 255, 0.15);
    --gradient-start: #74b9ff;
    --gradient-end: #0984e3;
    --text-glow: 0 0 10px rgba(116, 185, 255, 0.5);
    --button-hover: rgba(116, 185, 255, 0.3);
    --modal-title-color: #0a2340;
    --switch-color: #3498db;

    /* UI Component Colors */
    --chat-bg: rgba(116, 185, 255, 0.9);
    --chat-border: #74b9ff;
    --chat-message-user-bg: #74b9ff;
    --chat-message-kimi-bg: rgba(255, 255, 255, 0.15);
    --input-border: #74b9ff;
    --input-focus-border: #0984e3;

    /* Modal & Overlay Colors */
    --modal-bg: rgba(116, 185, 255, 0.95);
    --modal-border: #74b9ff;
    --modal-header-bg: linear-gradient(135deg, #74b9ff, #81ecec);

    /* Settings Panel & Tabs */
    --settings-tab-active-bg: #74b9ff;
    --settings-section-border: #3a4a7a;
    --settings-tab-border: #74b9ff;

    /* Slider Components */
    --slider-value-border: #0984e3;

    /* Toggle Switch */
    --switch-bg-active: linear-gradient(90deg, #74b9ff, #0984e3);

    /* Mic Button & Pulse Effect */
    --mic-button-border: #74b9ff;
    --mic-button-shadow: 0 0 15px #74b9ff;
    --mic-button-hover-bg: #74b9ff;
    --mic-button-hover-shadow: 0 0 10px rgba(116, 185, 255, 0.5);
    --mic-listening-border: #0984e3;
    --mic-listening-shadow: 0 0 15px #0984e3;
    --mic-pulse-color: rgba(9, 132, 227, 0.5);

    /* Cards & Stats */
    --stat-value-color: #0984e3;

    /* Plugin Cards */
    --plugin-card-border: #74b9ff;
    --plugin-type-badge-bg: #0984e3;
    --plugin-active-badge-bg: linear-gradient(90deg, #74b9ff, #0984e3);

    /* Help Modal */
    --creator-name-color: #0984e3;
    --creator-avatar-bg: linear-gradient(135deg, #74b9ff, #81ecec);
    --creator-role-bg: linear-gradient(135deg, #74b9ff, #81ecec);
    --creator-role-color: #0a2340;
    --philosophy-bg: rgba(116, 185, 255, 0.1);
    --philosophy-border: rgba(116, 185, 255, 0.3);
    --philosophy-border-left: #74b9ff;
    --feature-icon-color: #0984e3;
    --feature-title-color: #0984e3;

    /* Select Options */
    --select-option-hover-bg: #74b9ff;
    --select-option-checked-bg: #0984e3;

    /* Model Colors */
    --model-strength-color: #0984e3;
    --model-strength-text: #fff;
    --model-provider-color: #00b894;
    --model-provider-text: #fff;

    /* Text Colors */
    --text-primary: #222;
    --text-secondary: #555;

    /* Character Selection Colors */
    --character-selected-border: #0984e3;
    --character-selected-bg: rgba(116, 185, 255, 0.13);
}

[data-theme="purple"] {
    --primary-color: #a29bfe;
    --primary-rgb: 162, 155, 254;
    --secondary-color: #fd79a8;
    --accent-color: #6c5ce7;
    --background-overlay: rgba(162, 155, 254, 0.15);
    --gradient-start: #a29bfe;
    --gradient-end: #6c5ce7;
    --text-glow: 0 0 10px rgba(162, 155, 254, 0.5);
    --button-hover: rgba(162, 155, 254, 0.3);
    --modal-title-color: #2d2250;
    --switch-color: #a259ff;

    /* UI Component Colors */
    --chat-bg: rgba(162, 155, 254, 0.9);
    --chat-border: #a29bfe;
    --chat-message-user-bg: #a29bfe;
    --chat-message-kimi-bg: rgba(255, 255, 255, 0.15);
    --input-border: #a29bfe;
    --input-focus-border: #6c5ce7;

    /* Modal & Overlay Colors */
    --modal-bg: rgba(162, 155, 254, 0.95);
    --modal-border: #a29bfe;
    --modal-header-bg: linear-gradient(135deg, #a29bfe, #fd79a8);

    /* Settings Panel & Tabs */
    --settings-tab-active-bg: #a29bfe;
    --settings-section-border: #4a3a7a;
    --settings-tab-border: #a29bfe;
    --settings-bg: #2d2250;

    /* Slider Components */
    --slider-value-border: #6c5ce7;

    /* Toggle Switch */
    --switch-bg-active: linear-gradient(90deg, #a29bfe, #6c5ce7);

    /* Mic Button & Pulse Effect */
    --mic-button-border: #a29bfe;
    --mic-button-shadow: 0 0 15px #a29bfe;
    --mic-button-hover-bg: #a29bfe;
    --mic-button-hover-shadow: 0 0 10px rgba(162, 155, 254, 0.5);
    --mic-listening-border: #6c5ce7;
    --mic-listening-shadow: 0 0 15px #6c5ce7;
    --mic-pulse-color: rgba(108, 92, 231, 0.5);

    /* Cards & Stats */
    --stat-value-color: #6c5ce7;

    /* Plugin Cards */
    --plugin-card-border: #a29bfe;
    --plugin-type-badge-bg: #6c5ce7;
    --plugin-active-badge-bg: linear-gradient(90deg, #a29bfe, #6c5ce7);

    /* Help Modal */
    --creator-name-color: #6c5ce7;
    --creator-avatar-bg: linear-gradient(135deg, #a29bfe, #fd79a8);
    --creator-role-bg: linear-gradient(135deg, #a29bfe, #fd79a8);
    --creator-role-color: #2d2250;
    --philosophy-bg: rgba(162, 155, 254, 0.1);
    --philosophy-border: rgba(162, 155, 254, 0.3);
    --philosophy-border-left: #a29bfe;
    --feature-icon-color: #6c5ce7;
    --feature-title-color: #6c5ce7;

    /* Select Options */
    --select-option-hover-bg: #a29bfe;
    --select-option-checked-bg: #6c5ce7;

    /* Model Colors */
    --model-strength-color: #6c5ce7;
    --model-strength-text: #fff;
    --model-provider-color: #fd79a8;
    --model-provider-text: #fff;

    /* Text Colors */
    --text-primary: #2d2250;
    --text-secondary: #555;

    /* Character Selection Colors */
    --character-selected-border: #6c5ce7;
    --character-selected-bg: rgba(162, 155, 254, 0.13);

    /* Additional Purple Theme Variables */
    --button-primary-bg: var(--primary-color);
    --button-primary-text: var(--text-on-primary);
    --button-primary-hover-bg: var(--accent-color);
    --button-secondary-bg: rgba(255, 255, 255, 0.1);
    --button-secondary-text: var(--text-on-background);
    --guide-step-number-color: var(--primary-color);
    --guide-step-number-bg: rgba(162, 155, 254, var(--hover-opacity));
    --waiting-indicator-color: var(--primary-color);
    --progress-fill-bg: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

[data-theme="green"] {
    --primary-color: #27ae60;
    --primary-rgb: 39, 174, 96;
    --secondary-color: #2ecc71;
    --accent-color: #16a085;
    --background-overlay: rgba(39, 174, 96, 0.15);
    --gradient-start: #27ae60;
    --gradient-end: #16a085;
    --text-glow: 0 0 10px rgba(39, 174, 96, 0.5);
    --button-hover: rgba(39, 174, 96, 0.3);
    --modal-title-color: #1a3d2e;
    --switch-color: #27ae60;

    /* Contrast and Accessibility for Green Theme */
    --text-on-primary: #ffffff;
    --text-on-secondary: #1a3d2e;
    --text-on-accent: #ffffff;
    --text-on-background: #ffffff;

    /* UI Component Colors */
    --chat-bg: rgba(39, 174, 96, 0.9);
    --chat-border: #27ae60;
    --chat-text: var(--text-on-primary);
    --chat-message-user-bg: #27ae60;
    --chat-message-user-text: var(--text-on-primary);
    --chat-message-kimi-bg: rgba(255, 255, 255, 0.15);
    --chat-message-kimi-text: var(--text-on-background);
    --input-border: #27ae60;
    --input-focus-border: #16a085;
    --input-text: var(--text-on-background);

    /* Modal & Overlay Colors */
    --modal-bg: rgba(39, 174, 96, 0.95);
    --modal-border: #27ae60;
    --modal-header-bg: linear-gradient(135deg, #27ae60, #2ecc71);
    --modal-text: var(--text-on-primary);

    /* Settings Panel & Tabs */
    --settings-text: var(--text-on-background);
    --settings-tab-active-bg: #27ae60;
    --settings-tab-active-color: var(--text-on-primary);
    --settings-section-border: #27ae60;
    --settings-tab-border: #27ae60;
    --settings-section-header-color: var(--text-on-background);

    /* Button Colors */
    --button-primary-bg: var(--primary-color);
    --button-primary-text: var(--text-on-primary);
    --button-primary-hover-bg: var(--accent-color);
    --button-secondary-bg: rgba(255, 255, 255, 0.1);
    --button-secondary-text: var(--text-on-background);

    /* Slider Components */
    --slider-value-border: #16a085;
    --slider-thumb-bg: var(--primary-color);
    --slider-thumb-hover-bg: var(--accent-color);

    /* Toggle Switch */
    --switch-bg-active: linear-gradient(90deg, #27ae60, #16a085);

    /* Mic Button & Pulse Effect */
    --mic-button-border: #27ae60;
    --mic-button-shadow: 0 0 15px #27ae60;
    --mic-button-hover-bg: #27ae60;
    --mic-button-hover-shadow: 0 0 10px rgba(39, 174, 96, 0.5);
    --mic-button-icon-color: var(--text-on-primary);
    --mic-listening-border: #16a085;
    --mic-listening-shadow: 0 0 15px #16a085;
    --mic-pulse-color: rgba(22, 160, 133, 0.5);
    --mic-pulse-listening-color: rgba(22, 160, 133, 0.4);

    /* Cards & Stats */
    --card-text: var(--text-on-background);
    --stat-value-color: #16a085;

    /* Plugin Cards */
    --plugin-card-border: #27ae60;
    --plugin-card-title-color: var(--text-on-background);
    --plugin-card-desc-color: #e0cfe6;
    --plugin-card-author-color: #bfa6b6;
    --plugin-type-badge-bg: #16a085;
    --plugin-type-badge-text: var(--text-on-accent);
    --plugin-active-badge-bg: linear-gradient(90deg, #27ae60, #16a085);
    --plugin-active-badge-text: var(--text-on-primary);

    /* Help Modal */
    --creator-name-color: #16a085;
    --creator-avatar-bg: linear-gradient(135deg, #27ae60, #2ecc71);
    --creator-role-bg: linear-gradient(135deg, #27ae60, #2ecc71);
    --creator-role-color: var(--text-on-secondary);
    --philosophy-bg: rgba(39, 174, 96, 0.1);
    --philosophy-border: rgba(39, 174, 96, var(--border-opacity));
    --philosophy-border-left: #27ae60;
    --feature-icon-color: #147190;
    --feature-title-color: #147190;
    --guide-step-number-color: var(--primary-color);
    --guide-step-number-bg: rgba(39, 174, 96, var(--hover-opacity));

    /* Select Options */
    --select-option-hover-bg: #27ae60;
    --select-option-checked-bg: #16a085;

    /* Model Colors */
    --model-strength-color: #27ae60;
    --model-strength-text: var(--text-on-primary);
    --model-provider-color: #2ecc71;
    --model-provider-text: var(--text-on-primary);

    /* Text Colors */
    --text-primary: var(--text-on-background);
    --text-secondary: #4e6151;
    --text-muted: rgba(255, 255, 255, 0.6);

    /* Character Selection Colors */
    --character-selected-border: #16a085;
    --character-selected-bg: rgba(39, 174, 96, 0.13);
    --character-name-color: var(--text-on-background);

    /* Additional Green Theme Variables */
    --waiting-indicator-color: var(--primary-color);
    --loading-spinner-color: var(--primary-color);
    --progress-fill-bg: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

[data-theme="dark"] {
    --primary-color: #5e60ce;
    --primary-rgb: 94, 96, 206;
    --secondary-color: #23262f;
    --accent-color: #8b5cf6;
    --background-overlay: rgba(24, 26, 32, 0.85);
    --gradient-start: #5e60ce;
    --gradient-end: #8b5cf6;
    --text-glow: 0 0 10px rgba(94, 96, 206, 0.3);
    --button-hover: rgba(94, 96, 206, 0.15);
    --modal-title-color: #e0e0e0;
    --switch-color: #5e60ce;

    /* Contrast and Accessibility for Dark Theme */
    --text-on-primary: #ffffff;
    --text-on-secondary: #e0e0e0;
    --text-on-accent: #ffffff;
    --text-on-background: #e0e0e0;

    /* UI Component Colors */
    --chat-bg: rgba(24, 26, 32, 0.95);
    --chat-border: #5e60ce;
    --chat-text: var(--text-on-background);
    --chat-message-user-bg: #1e253c;
    --chat-message-user-text: var(--text-on-background);
    --chat-message-kimi-bg: #23262f;
    --chat-message-kimi-text: var(--text-on-background);
    --input-border: #5e60ce;
    --input-focus-border: #8b5cf6;
    --input-text: var(--text-on-background);

    /* Modal & Overlay Colors */
    --modal-bg: rgba(24, 26, 32, 0.98);
    --modal-border: #5e60ce;
    --modal-header-bg: linear-gradient(135deg, #5e60ce, #8b5cf6);
    --modal-text: var(--text-on-background);

    /* Settings Panel & Tabs */
    --settings-bg: #0f1114;
    --settings-text: var(--text-on-background);
    --settings-tab-bg: #181a20;
    --settings-tab-active-bg: #5e60ce;
    --settings-tab-active-color: var(--text-on-primary);
    --settings-section-bg: #1a1d23;
    --settings-section-border: rgba(94, 96, 206, var(--border-opacity));
    --settings-tab-border: #5e60ce;
    --settings-section-header-color: var(--text-on-background);

    /* Button Colors */
    --button-primary-bg: var(--primary-color);
    --button-primary-text: var(--text-on-primary);
    --button-primary-hover-bg: var(--accent-color);
    --button-secondary-bg: rgba(255, 255, 255, 0.05);
    --button-secondary-text: var(--text-on-background);

    /* Slider Components */
    --slider-value-bg: #0f1114;
    --slider-value-border: #5e60ce;
    --slider-value-color: var(--text-on-background);
    --slider-thumb-bg: var(--primary-color);
    --slider-thumb-hover-bg: var(--accent-color);

    /* Toggle Switch */
    --switch-bg-inactive: rgba(255, 255, 255, 0.05);
    --switch-bg-active: linear-gradient(90deg, #5e60ce, #8b5cf6);

    /* Mic Button & Pulse Effect */
    --mic-button-border: #5e60ce;
    --mic-button-shadow: 0 0 15px #5e60ce;
    --mic-button-hover-bg: #5e60ce;
    --mic-button-hover-shadow: 0 0 10px rgba(94, 96, 206, 0.5);
    --mic-button-icon-color: var(--text-on-primary);
    --mic-listening-border: #8b5cf6;
    --mic-listening-shadow: 0 0 15px #8b5cf6;
    --mic-pulse-color: rgba(139, 92, 246, 0.5);
    --mic-pulse-listening-color: rgba(139, 92, 246, 0.4);

    /* Cards & Stats */
    --card-bg: rgba(255, 255, 255, 0.02);
    --card-border: rgba(255, 255, 255, 0.05);
    --card-hover-bg: rgba(255, 255, 255, 0.05);
    --card-text: var(--text-on-background);
    --stat-value-color: #8b5cf6;

    /* Plugin Cards */
    --plugin-card-bg: linear-gradient(135deg, #1a1d23 80%, rgba(24, 26, 32, 0.98) 100%);
    --plugin-card-border: #5e60ce;
    --plugin-card-title-color: var(--text-on-background);
    --plugin-card-desc-color: rgba(224, 224, 224, 0.7);
    --plugin-card-author-color: rgba(224, 224, 224, 0.5);
    --plugin-type-badge-bg: #8b5cf6;
    --plugin-type-badge-text: var(--text-on-accent);
    --plugin-active-badge-bg: linear-gradient(90deg, #5e60ce, #8b5cf6);
    --plugin-active-badge-text: var(--text-on-primary);

    /* Help Modal */
    --help-modal-bg: rgba(24, 26, 32, 0.98);
    --help-modal-border: #5e60ce;
    --creator-card-bg: rgba(255, 255, 255, 0.02);
    --creator-card-border: rgba(255, 255, 255, 0.05);
    --creator-name-color: #8b5cf6;
    --creator-avatar-bg: linear-gradient(135deg, #5e60ce, #8b5cf6);
    --creator-role-bg: linear-gradient(135deg, #5e60ce, #8b5cf6);
    --creator-role-color: var(--text-on-primary);
    --philosophy-bg: rgba(94, 96, 206, 0.05);
    --philosophy-border: rgba(94, 96, 206, var(--border-opacity));
    --philosophy-border-left: #5e60ce;
    --feature-item-bg: rgba(255, 255, 255, 0.02);
    --feature-item-border: rgba(94, 96, 206, var(--border-opacity));
    --feature-icon-color: #8b5cf6;
    --feature-title-color: #8b5cf6;
    --feature-text-color: rgba(224, 224, 224, 0.7);
    --guide-step-bg: rgba(255, 255, 255, 0.02);
    --guide-step-number-color: var(--primary-color);
    --guide-step-number-bg: rgba(94, 96, 206, var(--hover-opacity));
    --tip-item-bg: rgba(255, 255, 255, 0.02);

    /* Select Options */
    --select-option-bg: rgba(24, 26, 32, 0.95);
    --select-option-text: var(--text-on-background);
    --select-option-hover-bg: #5e60ce;
    --select-option-checked-bg: #8b5cf6;

    /* Model Colors */
    --model-card-bg: rgba(255, 255, 255, 0.02);
    --model-card-border: rgba(255, 255, 255, 0.05);
    --model-card-hover-bg: rgba(255, 255, 255, 0.05);
    --model-card-selected-border: var(--primary-color);
    --model-name-color: var(--text-on-background);
    --model-description-color: rgba(224, 224, 224, 0.7);
    --model-strength-color: #5e60ce;
    --model-strength-text: var(--text-on-primary);
    --model-provider-color: #8b5cf6;
    --model-provider-text: var(--text-on-accent);

    /* Text Colors */
    --text-primary: var(--text-on-background);
    --text-secondary: #9ca3af;
    --text-muted: rgba(224, 224, 224, 0.6);

    /* Character Selection Colors */
    --character-card: rgba(255, 255, 255, 0.02);
    --character-card-border: rgba(255, 255, 255, 0.05);
    --character-card-hover-bg: rgba(255, 255, 255, 0.05);
    --character-selected-border: #8b5cf6;
    --character-selected-bg: rgba(94, 96, 206, 0.1);
    --character-name-color: var(--text-on-background);

    /* Additional Dark Theme Variables */
    --waiting-indicator-color: var(--primary-color);
    --loading-spinner-color: var(--primary-color);
    --progress-bg: rgba(255, 255, 255, 0.05);
    --progress-fill-bg: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    --progress-text-color: var(--text-on-background);
    --transcript-bg: rgba(0, 0, 0, 0.9);
    --transcript-text: var(--text-on-background);
    --transcript-border: var(--primary-color);
}

/* ===== ANIMATION MANAGEMENT ===== */
/* Respect user's reduced motion preference. When user requests reduced motion,
   disable animations and transitions globally while preserving critical
   animations (mic button, loading screen). This preserves accessibility
   without relying on a UI toggle. */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }

    /* Keep mic button animations even when reduced-motion is requested */
    .mic-button,
    .mic-button *,
    .mic-button::after {
        animation: revert !important;
        transition: revert !important;
    }

    /* Keep loading screen animations */
    #loading-screen,
    #loading-screen * {
        animation: revert !important;
        transition: revert !important;
    }
}

/* Ensure critical hover effects remain functional */
body.animations-enabled .kimi-button:hover,
body.animations-enabled .control-button-unified:hover {
    transform: translateY(-2px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.animations-enabled .mic-button:hover {
    transform: scale(1.1);
    transition: all 0.2s ease;
}

/* ===== LOADING SCREEN ===== */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--background-primary, #1a1a1a);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
    transition: opacity 0.5s ease-out;
}

#loading-screen img {
    max-width: 200px;
    max-height: 200px;
    animation: loadingPulse 2s infinite ease-in-out;
}

@keyframes loadingPulse {
    0%,
    100% {
        opacity: 0.7;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
}

/* ===== GLOBAL STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: white;
    overflow: hidden;
}

.video-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-color: #1a1a1a;
}

.bg-video.active {
    opacity: 1;
}

.bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0;
    transition: opacity var(--video-fade-duration) cubic-bezier(0.4, 0, 0.2, 1);
    background-color: #1a1a1a;
    will-change: opacity;
    backface-visibility: hidden;
}

.bg-video.transitioning {
    opacity: 0;
    transition: opacity var(--video-fade-duration) cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.content-overlay {
    position: relative;
    height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    padding: 20px;
    background-color: var(--background-overlay);
    opacity: var(--interface-opacity);
    z-index: 1;
}

.top-bar {
    width: 100%;
    max-width: 500px;
    text-align: center;
    margin-top: 10px;
}

.top-bar label {
    font-size: 1rem;
    font-weight: 600;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    margin-bottom: 8px;
    display: block;
}

.progress-container {
    width: 100%;
    height: 12px;
    background-color: var(--progress-bg);
    border-radius: 10px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 50%; /* Changed from 65% to match new default favorability level */
    background: var(--progress-fill-bg);
    border-radius: 10px;
    transition: width 0.5s ease-in-out;
    box-shadow: var(--text-glow);
}

/* Center content styles can be added here if needed */

.transcript-container {
    position: absolute;
    bottom: 180px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    max-width: 600px;
    max-height: 400px;
    padding: 15px;
    background: var(--transcript-bg);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    border: 1px solid var(--transcript-border);
    text-align: center;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
    pointer-events: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    overflow-y: auto;
    overflow-x: hidden;
}

.transcript-container.visible {
    opacity: 1;
    pointer-events: auto;
}

/* Custom scrollbar for transcript container */
.transcript-container::-webkit-scrollbar {
    width: var(--scrollbar-width);
}

.transcript-container::-webkit-scrollbar-track {
    background: var(--scrollbar-track-bg);
    border-radius: 4px;
}

.transcript-container::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb-bg);
    border-radius: 4px;
    transition: background 0.3s ease;
}

.transcript-container::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover-bg);
}

#transcript {
    font-size: 1.2rem;
    color: var(--transcript-text);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
    margin: 0;
    line-height: 1.3;
    text-align: left;
}

/* ===== ACCESSIBILITY - FOCUS STYLES ===== */
select:focus,
input:focus,
button:focus,
.kimi-slider:focus,
.kimi-slider-unified:focus {
    box-shadow: 0 0 0 2px var(--primary-pink);
    border-color: var(--primary-pink);
}

.control-button-unified:focus {
    outline: 2px solid var(--primary-pink);
    outline-offset: 2px;
}

/* ===== CHAT INTERFACE ===== */
.chat-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    width: 400px;
    max-width: calc(100vw - 40px);
    height: 600px;
    max-height: 80vh;
    background: var(--chat-bg);
    backdrop-filter: blur(20px);
    border-radius: 15px;
    border: 1px solid var(--chat-border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    display: none;
    flex-direction: column;
    overflow: hidden;
    transform: translateX(400px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.chat-container.visible {
    display: flex;
    transform: translateX(0);
    opacity: 1;
}

.chat-header {
    background: var(--chat-header-bg);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-header h3 {
    margin: 0;
    color: var(--chat-text);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.chat-messages {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.message {
    max-width: 95%;
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 0.95rem;
    line-height: 1.3;
    white-space: pre-line;
    animation: messageSlideIn 0.3s ease-out;
}

.message.user {
    align-self: flex-end;
    background: var(--chat-message-user-bg);
    color: var(--chat-message-user-text);
}

.message.kimi {
    align-self: flex-start;
    background: var(--chat-message-kimi-bg);
    color: var(--chat-message-kimi-text);
}

.message-time {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 4px;
    text-align: right;
}

.delete-message-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 3px;
    font-size: 0.7rem;
    margin-left: 8px;
    transition: all 0.2s ease;
}

.delete-message-btn:hover {
    color: #ff4757 !important;
    background: rgba(255, 71, 87, 0.1) !important;
}

.chat-input-container {
    padding: 15px 20px;
    display: flex;
    gap: 10px;
    background: rgba(255, 255, 255, 0.05);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

#chat-input {
    flex: 1;
    background: var(--chat-input-bg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 10px 15px;
    color: var(--chat-input-text);
    font-size: 0.9rem;
    outline: none;
    transition: all 0.3s ease;

    /* Make textarea behave like the previous single-line input */
    box-sizing: border-box;
    resize: none; /* prevent manual resizing */
    /* show approximately 2 lines by default, allow up to ~4 lines */
    min-height: 58px;
    max-height: 160px; /* allow multi-line but limit growth */
    line-height: 1.2;
    overflow: auto;
}

#chat-input::placeholder {
    color: var(--chat-input-placeholder);
}

#chat-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(255, 107, 157, 0.2);
}

#send-button {
    background: var(--primary-color);
    border: none;
    border-radius: 20px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

#send-button:hover {
    background: var(--accent-color);
    transform: scale(1.05);
}

.chat-toggle,
.chat-delete {
    background: none;
    border: none;
    color: var(--chat-text);
    cursor: pointer;
    padding: 5px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.chat-delete {
    color: rgba(255, 255, 255, 0.7);
}

.chat-delete:hover {
    color: #ff4757;
    background: rgba(255, 71, 87, 0.1);
}

.chat-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* ===== UNIFIED BUTTON COMPONENTS ===== */
.kimi-button,
.control-button-unified {
    background: var(--button-primary-bg);
    border: none;
    border-radius: 8px;
    color: var(--button-primary-text);
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.kimi-button::before,
.control-button-unified::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.kimi-button:hover,
.control-button-unified:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    background: var(--button-primary-hover-bg);
}

.kimi-button:hover::before,
.control-button-unified:hover::before {
    left: 100%;
}

.kimi-button:active,
.control-button-unified:active {
    transform: translateY(0);
    transition: all 0.1s ease;
}

.kimi-button:disabled,
.control-button-unified:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Button Variants */
.kimi-button.danger {
    background: var(--button-danger-bg);
    color: var(--button-danger-text);
}
.kimi-button.danger:hover {
    background: var(--button-danger-hover-bg);
}
.kimi-button.success {
    background: linear-gradient(135deg, #26de81, #20bf6b);
}
.kimi-button.success:hover {
    background: linear-gradient(135deg, #20bf6b, #26de81);
}
.kimi-button.secondary {
    background: var(--button-secondary-bg);
    color: var(--button-secondary-text);
}
.kimi-button.secondary:hover {
    background: var(--button-secondary-hover-bg);
}

/* Circular Control Buttons */
.control-button-unified {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--button-hover);
    box-shadow: var(--mic-button-shadow);
    border: 1px solid var(--primary-color);
}

.control-button-unified:hover {
    transform: translateY(-2px) scale(1.05);
    background: var(--primary-color);
    box-shadow: var(--text-glow);
}

.control-button-unified i {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.control-button-unified:hover i {
    transform: scale(1.1);
}

/* ===== UNIFIED FORM COMPONENTS ===== */

/* Select Elements */
.kimi-select,
.kimi-select-unified {
    background: var(--select-bg);
    border: 1px solid var(--select-border);
    border-radius: 8px;
    color: var(--select-text);
    padding: 8px 12px;
    font-size: 0.9rem;
    outline: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    cursor: pointer;
    width: 100%;
    box-sizing: border-box;
}

.kimi-select:hover,
.kimi-select-unified:hover {
    background: var(--input-focus-bg);
    border-color: var(--accent-color);
    box-shadow: 0 0 10px var(--primary-color);
}

.kimi-select:focus,
.kimi-select-unified:focus {
    background: var(--input-focus-bg);
    border-color: var(--input-focus-border);
    box-shadow: 0 0 15px var(--primary-color);
}

.kimi-select option,
.kimi-select-unified option {
    background: var(--select-option-bg);
    color: var(--select-option-text);
    padding: 12px 15px;
    border: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.kimi-select option:hover,
.kimi-select-unified option:hover,
.kimi-select option:focus,
.kimi-select-unified option:focus {
    background: var(--select-option-hover-bg);
    color: var(--select-option-hover-text);
}

.kimi-select option:checked,
.kimi-select-unified option:checked,
.kimi-select option:selected,
.kimi-select-unified option:selected {
    background: var(--select-option-checked-bg);
    color: var(--select-option-checked-text);
    font-weight: 600;
    box-shadow: 0 0 10px var(--primary-color);
}

/* Input Elements */
.kimi-input,
.kimi-input-unified {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    color: var(--input-text);
    padding: 8px 12px;
    font-size: 0.9rem;
    outline: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    width: 100%;
    box-sizing: border-box;
}

.kimi-input:focus,
.kimi-input-unified:focus {
    background: var(--input-focus-bg);
    border-color: var(--input-focus-border);
    box-shadow: 0 0 15px var(--primary-color);
}

.kimi-input::placeholder,
.kimi-input-unified::placeholder {
    color: var(--input-placeholder);
}

/* Slider Elements */
.kimi-slider,
.kimi-slider-unified {
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 3px;
    background: var(--slider-track-bg);
    outline: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.kimi-slider::-webkit-slider-thumb,
.kimi-slider-unified::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--slider-thumb-bg);
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.kimi-slider::-webkit-slider-thumb:hover,
.kimi-slider-unified::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    background: var(--slider-thumb-hover-bg);
    box-shadow:
        0 4px 15px rgba(0, 0, 0, 0.4),
        var(--text-glow);
}

.kimi-slider::-moz-range-thumb,
.kimi-slider-unified::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--slider-thumb-bg);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.kimi-slider::-moz-range-thumb:hover,
.kimi-slider-unified::-moz-range-thumb:hover {
    transform: scale(1.2);
    background: var(--slider-thumb-hover-bg);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

/* ===== CONSOLIDATED SCROLLBAR SYSTEM ===== */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb-bg) var(--scrollbar-track-bg);
}

*::-webkit-scrollbar {
    width: var(--scrollbar-width);
    height: var(--scrollbar-width);
}

*::-webkit-scrollbar-track {
    background: var(--scrollbar-track-bg);
    border-radius: 4px;
}

*::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb-bg);
    border-radius: 4px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

*::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover-bg);
    transform: scale(1.1);
}

*::-webkit-scrollbar-thumb:active {
    background: var(--scrollbar-thumb-active-bg);
}

*::-webkit-scrollbar-corner {
    background: var(--scrollbar-corner-bg);
}

/* ===== MAIN LAYOUT AND CONTROLS ===== */
.control-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 10px;
}

.bottom-bar {
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
}

.favorability-text {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--progress-text-color);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.progress-container {
    position: relative;
}

.mic-button {
    position: relative;
    width: 90px;
    height: 90px;
    background: var(--mic-button-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--mic-button-border);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--mic-button-shadow);
}

.mic-button:not(.is-listening)::after {
    display: none;
}
.mic-button.is-listening.mic-pulse-active::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--mic-pulse-color);
    opacity: 0.6;
    z-index: -1;
    animation: micPulseRed 1.2s infinite cubic-bezier(0.66, 0, 0, 1);
    pointer-events: none;
}

.mic-button:hover {
    transform: scale(1.1);
    background: var(--mic-button-hover-bg);
    box-shadow: var(--mic-button-hover-shadow);
}

.mic-button:active {
    transform: scale(0.95);
}

.mic-button i {
    font-size: 28px;
    color: var(--mic-button-icon-color);
    transition: all 0.3s ease;
}

.mic-button.is-listening {
    animation: pulse 1.5s infinite;
    border: 1px solid #27ae60;
    box-shadow: 0 0 15px #27ae60;
}

.mic-button.is-listening i {
    animation: micPulse 0.8s infinite alternate;
}

.mic-pulse-active {
    position: relative;
    box-shadow: 0 0 0 0 var(--primary-color);
    animation: micPulse 1.2s infinite cubic-bezier(0.66, 0, 0, 1);
}

.mic-button.mic-pulse-active {
    position: relative;
    z-index: 1;
}
.mic-button.mic-pulse-active::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--mic-pulse-color);
    opacity: 0.6;
    z-index: -1;
    animation: micPulseRed 1.2s infinite cubic-bezier(0.66, 0, 0, 1);
    pointer-events: none;
}
@keyframes micPulseRed {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0.6;
    }
    70% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0;
    }
    100% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0;
    }
}

/* ===== LARGE SCREENS OPTIMIZATION ===== */
@media (min-width: 1200px) {
    .chat-container {
        width: 400px;
        height: 600px;
        right: 30px;
        top: 30px;
    }
}

/* ===== CONSOLIDATED RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .content-overlay {
        padding: 20px;
    }

    .chat-container {
        width: 400px;
        max-width: calc(100vw - 30px);
        top: 15px;
        right: 15px;
    }

    .control-buttons {
        gap: 15px;
    }

    .control-button-unified {
        width: 45px;
        height: 45px;
    }

    .control-button-unified i {
        font-size: 1.1rem;
    }

    .top-bar {
        margin-top: 15px;
    }

    .top-bar label {
        font-size: 0.9rem;
    }

    .progress-container {
        height: 10px;
    }

    .mic-button {
        width: 80px;
        height: 80px;
    }

    .mic-button i {
        font-size: 34px;
    }

    .transcript-container {
        bottom: 200px;
        width: 90%;
    }

    #transcript {
        font-size: 1rem;
    }

    .message {
        max-width: 85%;
        padding: 10px 14px;
        font-size: 0.9rem;
    }

    .favorability-text {
        font-size: 0.75rem;
    }

    .control-buttons {
        gap: 10px;
        justify-content: space-around;
    }

    .kimi-select,
    .kimi-select-unified,
    .kimi-input,
    .kimi-input-unified {
        font-size: 16px; /* Prevents zoom on iOS */
    }
}

@media (max-width: 600px) {
    .bg-video {
        object-fit: cover;
        object-position: center center;
    }

    .content-overlay {
        padding: 10px;
    }

    .control-buttons {
        gap: 15px;
    }

    .chat-button,
    .settings-button {
        width: 50px;
        height: 50px;
    }

    .chat-button i,
    .settings-button i {
        font-size: 20px;
    }

    .top-bar {
        margin-top: 15px;
    }

    .top-bar label {
        font-size: 0.9rem;
    }

    .progress-container {
        height: 10px;
    }

    .mic-button {
        width: 80px;
        height: 80px;
    }

    .mic-button i {
        font-size: 34px;
    }

    .transcript-container {
        bottom: 200px;
        width: 90%;
    }

    #transcript {
        font-size: 1rem;
    }

    .message {
        max-width: 92%;
        padding: 10px 14px;
        font-size: 0.9rem;
    }

    .favorability-text {
        font-size: 0.75rem;
    }

    .chat-container {
        top: 10px;
        right: 10px;
        left: 10px;
        width: auto;
        height: calc(100vh - 20px);
        transform: translateY(-100vh);
        transition: all 0.25s ease-out;
    }

    .chat-container.visible {
        transform: translateY(0);
    }
}

/* Animation pour l'indicateur d'attente */
.waiting-indicator {
    display: block;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
    margin: 6px 0 4px 0; /* discret au-dessus de l'input */
    opacity: 0;
    transition: opacity 0.25s ease-in-out;
    pointer-events: none;
}
.waiting-indicator.visible {
    opacity: 1;
}
.waiting-indicator span {
    display: inline-block;
    width: 8px;
    height: 8px;
    margin: 0 2px;
    background: var(--waiting-indicator-color);
    border-radius: 50%;
    opacity: 0.5;
    animation: waiting-bounce 1.4s infinite both;
}
.waiting-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}
.waiting-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}
@keyframes waiting-bounce {
    0%,
    80%,
    100% {
        transform: scale(0.7);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Global typing indicator near mic button */
.global-typing-indicator {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    margin: 0 6px;
    border-radius: 18px;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(6px);
    transition: opacity 0.25s ease-in-out;
    opacity: 0;
}
.global-typing-indicator.visible {
    display: inline-flex;
    opacity: 1;
}
.global-typing-indicator span {
    display: inline-block;
    width: 6px;
    height: 6px;
    margin: 0 1.5px;
    background: var(--waiting-indicator-color);
    border-radius: 50%;
    opacity: 0.6;
    animation: waiting-bounce 1.4s infinite both;
}
.global-typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}
.global-typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

/* Animation pour les messages du chat */
@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}