@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@600;700;800;900&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;0,6..72,600;0,6..72,700;1,6..72,400&display=swap');

/* ==========================================================================
   NEURA // CHIP KIDD ARCHIVAL MONOGRAPH DESIGN SYSTEM
   Dark Theme: Carbon Velvet • Bone Parchment • Signal Vermilion
   Light Theme: Heavy Linen • Printer's Carbon • Vermilion on Paper
   ========================================================================== */

:root, [data-theme="light"] {
    /* Typographic Hierarchy */
    --font-serif: 'Newsreader', Georgia, serif;
    --font-display: 'Cinzel', 'Newsreader', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier Prime', monospace;

    /* Archival Linen (Default Light) */
    --color-bg: #F8F6F0;               /* Heavy Archival Cream / Linen Paper */
    --color-surface: #FFFFFF;          /* Pure Crisp Sheet */
    --color-surface-hover: #F2EFE8;    
    --color-surface-active: #EAE6DC;
    --color-code-bg: #F0EDE5;          /* Warm Typeset Manuscript Block */
    
    /* Text Tones */
    --color-text-primary: #121418;     /* Dense Printer's Carbon */
    --color-text-secondary: #50545C;   /* Typeset Charcoal */
    --color-text-muted: #7E828C;       /* Pencil Annotation */

    /* Hairline Framing */
    --color-border: rgba(18, 20, 24, 0.08);
    --color-border-strong: rgba(18, 20, 24, 0.2);
    --color-border-focus: #D92D20;

    /* Signal Vermilion on Paper */
    --color-brand: #D92D20;
    --color-brand-light: rgba(217, 45, 32, 0.08);
    --color-brand-dark: #B42318;
    --color-accent: #D92D20;
    --color-accent-light: rgba(217, 45, 32, 0.06);

    /* Overlays & Backdrops */
    --color-overlay-bg: rgba(248, 246, 240, 0.88);
    --color-modal-backdrop: rgba(18, 20, 24, 0.5);

    /* Status & Forensic Indicators */
    --color-success: #16A34A;
    --color-success-light: rgba(22, 163, 74, 0.1);
    --color-success-dark: #15803D;
    --color-error: #D92D20;
    --color-error-light: rgba(217, 45, 32, 0.1);
    --color-error-dark: #B42318;
    --color-info: #2563EB;
    --color-info-light: rgba(37, 99, 235, 0.1);

    /* Architectural Box Shadows */
    --shadow-sm: 0 1px 3px 0 rgba(18, 20, 24, 0.05);
    --shadow-md: 0 4px 12px -2px rgba(18, 20, 24, 0.08);
    --shadow-lg: 0 12px 24px -4px rgba(18, 20, 24, 0.12);
    --shadow-premium: 0 24px 48px -8px rgba(18, 20, 24, 0.16);
}

[data-theme="dark"] {
    /* Carbon Monograph (Dark) */
    --color-bg: #08090B;               /* Printer's Carbon Velvet */
    --color-surface: #101216;          /* Deep Folio / Elevated Archival */
    --color-surface-hover: #161920;    /* Interactive Specimen Hover */
    --color-surface-active: #1D2028;
    --color-code-bg: #08090B;          /* Pure Carbon Specimen Bed */
    
    /* Text Tones */
    --color-text-primary: #F4F1EA;     /* Bone Parchment */
    --color-text-secondary: #92959B;   /* Muted Ash / Annotation Grey */
    --color-text-muted: #5C5F66;       /* Printer's Lead */

    /* Hairline Framing */
    --color-border: rgba(244, 241, 234, 0.08);
    --color-border-strong: rgba(244, 241, 234, 0.18);
    --color-border-focus: #E6392F;

    /* The Singular Signal Punch (Signal Vermilion / Knopf Red) */
    --color-brand: #E6392F;
    --color-brand-light: rgba(230, 57, 47, 0.12);
    --color-brand-dark: #B8241C;
    --color-accent: #E6392F;
    --color-accent-light: rgba(230, 57, 47, 0.08);

    /* Overlays & Backdrops */
    --color-overlay-bg: rgba(8, 9, 11, 0.8);
    --color-modal-backdrop: rgba(8, 9, 11, 0.8);

    /* Status & Forensic Indicators */
    --color-success: #22C55E;
    --color-success-light: rgba(34, 197, 94, 0.1);
    --color-success-dark: #4ADE80;
    --color-error: #E6392F;
    --color-error-light: rgba(230, 57, 47, 0.1);
    --color-error-dark: #FF6B61;
    --color-info: #60A5FA;
    --color-info-light: rgba(96, 165, 250, 0.1);

    /* Architectural Box Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.8);
    --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.8);
    --shadow-lg: 0 12px 24px -4px rgba(0, 0, 0, 0.9);
    --shadow-premium: 0 24px 48px -8px rgba(0, 0, 0, 0.95);
}

/* Base Reset & Document Canvas */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    background-color: var(--color-bg);
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.25s ease, color 0.2s ease;
}

::selection {
    background: var(--color-brand);
    color: #FFFFFF;
}

/* Typography Voice */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    color: var(--color-text-primary);
    letter-spacing: -0.015em;
    line-height: 1.25;
}

h1 { font-size: 32px; }
h2 { font-size: 24px; }
h3 { font-size: 18px; }

p {
    color: var(--color-text-secondary);
    font-size: 14.5px;
    line-height: 1.65;
}

a {
    color: var(--color-text-primary);
    text-decoration: none;
    transition: color 0.15s ease, border-color 0.15s ease;
}

a:hover {
    color: var(--color-brand);
}

code, pre {
    font-family: var(--font-mono);
}

/* ==========================================================================
   APP SHELL & BOOK-SPINE NAVIGATION
   ========================================================================== */

.app-container {
    display: flex;
    min-height: 100vh;
}

.app-sidebar {
    width: 270px;
    background-color: var(--color-surface);
    border-right: 1px solid var(--color-border);
    color: var(--color-text-primary);
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
    transition: background-color 0.25s ease, border-color 0.25s ease;
}

.sidebar-logo {
    display: flex;
    flex-direction: column;
    margin-bottom: 40px;
}

.sidebar-logo-title {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 0.12em;
    color: var(--color-text-primary);
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 2px;
}

.sidebar-logo-title span {
    color: var(--color-brand);
}

.sidebar-logo-subtitle {
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.18em;
    color: var(--color-text-muted);
    text-transform: uppercase;
    margin-top: 4px;
}

/* Navigation List */
.sidebar-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-menu li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    color: var(--color-text-secondary);
    border-radius: 2px;
    font-size: 13.5px;
    font-weight: 500;
    border-left: 2px solid transparent;
    transition: all 0.15s ease;
}

.sidebar-menu li a .nav-index {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--color-text-muted);
    font-weight: 600;
}

.sidebar-menu li a:hover {
    color: var(--color-text-primary);
    background-color: var(--color-surface-hover);
    border-left-color: var(--color-border-strong);
}

.sidebar-menu li.active a {
    color: var(--color-text-primary);
    background-color: var(--color-surface-hover);
    border-left-color: var(--color-brand);
}

.sidebar-menu li.active a .nav-index {
    color: var(--color-brand);
}

.sidebar-footer {
    margin-top: auto;
    border-top: 1px solid var(--color-border);
    padding-top: 24px;
}

.user-profile-menu {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.user-avatar {
    width: 34px;
    height: 34px;
    background-color: var(--color-surface-active);
    color: var(--color-brand);
    font-family: var(--font-mono);
    font-weight: 700;
    border: 1px solid var(--color-border-strong);
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.user-info {
    font-size: 13px;
    color: var(--color-text-primary);
}

.user-info .role {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--color-brand);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.logout-btn {
    display: block;
    width: 100%;
    text-align: center;
    padding: 8px 12px;
    background: transparent;
    color: var(--color-text-muted) !important;
    border: 1px solid var(--color-border);
    border-radius: 2px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: all 0.15s ease;
}

.logout-btn:hover {
    color: var(--color-error) !important;
    border-color: var(--color-error);
    background: var(--color-error-light);
}

/* ==========================================================================
   THEME TOGGLE COMPONENT (CHIP KIDD ARCHITECTURAL SWITCH)
   ========================================================================== */

.theme-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 6px 12px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 2px;
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
}

.theme-toggle-btn:hover {
    color: var(--color-text-primary);
    border-color: var(--color-border-strong);
    background-color: var(--color-surface-hover);
}

.theme-toggle-icon {
    color: var(--color-brand);
    font-size: 12px;
}

/* Theme Selector Grid & Options */
.theme-selector-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.theme-card-option {
    position: relative;
    border: 1px solid var(--color-border);
    background-color: var(--color-surface);
    border-radius: 2px;
    padding: 18px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    user-select: none;
}

.theme-card-option:hover {
    border-color: var(--color-border-strong);
    background-color: var(--color-surface-hover);
}

.theme-card-option.selected,
.theme-card-option:has(input[type="radio"]:checked) {
    border-color: var(--color-brand);
    box-shadow: 0 0 0 1px var(--color-brand);
    background-color: var(--color-surface);
}

.theme-card-option input[type="radio"] {
    position: absolute;
    top: 18px;
    right: 18px;
    accent-color: var(--color-brand);
    cursor: pointer;
    width: 16px;
    height: 16px;
}

.theme-preview-box {
    height: 76px;
    border-radius: 2px;
    margin-bottom: 16px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.theme-card-option:hover .theme-preview-box {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.theme-preview-card {
    border-radius: 2px;
    padding: 6px 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.theme-preview-line {
    height: 4px;
    border-radius: 1px;
}

.theme-preview-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
}

/* Main Workspace */
.app-content {
    margin-left: 270px;
    flex: 1;
    padding: 48px 56px;
    max-width: 1400px;
    transition: background-color 0.25s ease;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
    gap: 24px;
    flex-wrap: wrap;
}

.page-title h1 {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 600;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}

.page-title p {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-top: 6px;
}

/* ==========================================================================
   BUTTONS (HIGH-CONTRAST CHIP KIDD RESTRAINT)
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-family: var(--font-mono);
    border-radius: 2px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-brand);
    color: #FFFFFF;
    border-color: var(--color-brand);
}

.btn-primary:hover {
    background-color: var(--color-brand-dark);
    border-color: var(--color-brand-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(230, 57, 47, 0.35);
}

.btn-primary:active {
    transform: translateY(1px);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--color-border-strong);
    color: var(--color-text-primary);
}

.btn-outline:hover {
    background-color: var(--color-surface-hover);
    border-color: var(--color-text-primary);
    color: var(--color-text-primary);
}

.btn-outline:active {
    transform: translateY(1px);
}

.btn-full {
    width: 100%;
}

/* ==========================================================================
   FORM CONTROLS (SURGICAL HAIRLINES)
   ========================================================================== */

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--color-border-strong);
    background-color: var(--color-bg);
    border-radius: 2px;
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--color-text-primary);
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-brand);
    background-color: var(--color-surface);
    box-shadow: 0 0 0 1px var(--color-brand);
}

.form-control::placeholder {
    color: var(--color-text-muted);
    opacity: 0.6;
}

/* ==========================================================================
   CATEGORY FILTERS & MONOSPACE FOLIO BADGES
   ========================================================================== */

.category-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.category-pill {
    padding: 6px 14px;
    background-color: transparent;
    border: 1px solid var(--color-border);
    border-radius: 2px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
}

.category-pill:hover {
    color: var(--color-text-primary);
    border-color: var(--color-text-muted);
    background-color: var(--color-surface);
}

.category-pill.active {
    background-color: var(--color-text-primary);
    color: var(--color-bg);
    border-color: var(--color-text-primary);
}

/* Monospace Archival Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: 2px;
    border: 1px solid transparent;
}

.badge-amber, .badge-red {
    background-color: var(--color-brand-light);
    color: var(--color-brand);
    border-color: rgba(230, 57, 47, 0.25);
}

.badge-blue {
    background-color: var(--color-info-light);
    color: var(--color-info);
    border-color: rgba(96, 165, 250, 0.25);
}

.badge-green {
    background-color: var(--color-success-light);
    color: var(--color-success);
    border-color: rgba(34, 197, 94, 0.25);
}

/* ==========================================================================
   PROMPT SPECIMEN CARDS (THE ARCHIVAL DOSSIER)
   ========================================================================== */

.prompts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

.prompt-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 2px;
    padding: 32px;
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease, background-color 0.25s ease;
}

.prompt-card:hover {
    border-color: var(--color-border-strong);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.prompt-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
    gap: 16px;
}

.prompt-title {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 600;
    color: var(--color-text-primary);
    line-height: 1.3;
}

.prompt-desc {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.prompt-container {
    background-color: var(--color-code-bg);
    border: 1px solid var(--color-border);
    border-radius: 2px;
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--color-text-primary);
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 260px;
    overflow-y: auto;
    margin-bottom: 20px;
    line-height: 1.65;
    transition: background-color 0.25s ease;
}

.prompt-container::-webkit-scrollbar {
    width: 6px;
}

.prompt-container::-webkit-scrollbar-track {
    background: var(--color-code-bg);
}

.prompt-container::-webkit-scrollbar-thumb {
    background: var(--color-border-strong);
    border-radius: 2px;
}

.prompt-card-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
    flex-wrap: wrap;
    gap: 12px;
}

/* ==========================================================================
   TEASER CATALOG (REDACTED SPECIMEN CARDS)
   ========================================================================== */

.teaser-card {
    position: relative;
    overflow: hidden;
    min-height: 150px;
    border: 1px solid var(--color-border);
    background-color: var(--color-surface);
    border-radius: 2px;
    padding: 24px;
    transition: border-color 0.2s ease, background-color 0.25s ease;
}

.teaser-card:hover {
    border-color: var(--color-border-strong);
}

.teaser-card-blur {
    filter: blur(2px);
    opacity: 0.35;
    user-select: none;
    pointer-events: none;
}

.teaser-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-overlay-bg);
    backdrop-filter: blur(4px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-text-primary);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    gap: 8px;
    user-select: none;
    text-align: center;
    padding: 16px;
    transition: background-color 0.25s ease;
}

.teaser-card-overlay .seal-tag {
    color: var(--color-brand);
    border: 1px solid rgba(230, 57, 47, 0.3);
    background: var(--color-brand-light);
    padding: 4px 10px;
    border-radius: 2px;
}

/* ==========================================================================
   AUTHENTICATION & LANDING MONOGRAPH
   ========================================================================== */

.auth-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: var(--color-bg);
    padding: 24px;
    transition: background-color 0.25s ease;
}

.auth-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 2px;
    box-shadow: var(--shadow-lg);
    padding: 40px;
    width: 100%;
    max-width: 460px;
    text-align: left;
    transition: background-color 0.25s ease, border-color 0.2s ease;
}

.auth-logo {
    font-family: var(--font-display);
    font-size: 26px;
    font-weight: 800;
    letter-spacing: 0.14em;
    color: var(--color-text-primary);
    text-transform: uppercase;
    display: inline-block;
}

.auth-logo span {
    color: var(--color-brand);
}

/* ==========================================================================
   ALERTS, TOASTS & FORENSIC LOGS
   ========================================================================== */

.alert {
    padding: 14px 18px;
    border-radius: 2px;
    font-size: 13.5px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background-color: var(--color-success-light);
    color: var(--color-success);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.alert-error {
    background-color: var(--color-error-light);
    color: var(--color-error);
    border: 1px solid rgba(230, 57, 47, 0.3);
}

.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background-color: var(--color-surface);
    color: var(--color-text-primary);
    border: 1px solid var(--color-brand);
    border-left: 3px solid var(--color-brand);
    padding: 12px 20px;
    border-radius: 2px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* ==========================================================================
   TABLES & METRICS (DATA SHEETS)
   ========================================================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 36px;
}

.stat-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 2px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: background-color 0.25s ease, border-color 0.2s ease;
}

.stat-title {
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    margin-bottom: 8px;
}

.stat-value {
    font-family: var(--font-serif);
    font-size: 36px;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1;
}

.table-container {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 24px;
    transition: background-color 0.25s ease, border-color 0.2s ease;
}

.table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 13.5px;
}

.table th {
    background-color: var(--color-bg);
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 14px 18px;
    border-bottom: 1px solid var(--color-border);
    transition: background-color 0.25s ease;
}

.table td {
    padding: 16px 18px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

.table tr:last-child td {
    border-bottom: none;
}

.table tr:hover td {
    background-color: var(--color-surface-hover);
    color: var(--color-text-primary);
}

/* ==========================================================================
   MODAL DIALOGS
   ========================================================================== */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-modal-backdrop);
    backdrop-filter: blur(6px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    transition: background-color 0.25s ease;
}

.modal-content {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-strong);
    border-radius: 2px;
    padding: 36px;
    width: 90%;
    max-width: 520px;
    box-shadow: var(--shadow-premium);
    transition: background-color 0.25s ease, border-color 0.2s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
    font-family: var(--font-serif);
    font-size: 20px;
    color: var(--color-text-primary);
}

.modal-close {
    font-size: 22px;
    cursor: pointer;
    color: var(--color-text-muted);
    transition: color 0.15s ease;
}

.modal-close:hover {
    color: var(--color-brand);
}

/* Star Rating Controls */
.rating-stars-container {
    display: inline-flex;
    gap: 2px;
}

.star-btn {
    font-size: 20px;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: color 0.15s ease, transform 0.15s ease;
    user-select: none;
    padding: 4px;
}

.star-btn.filled {
    color: var(--color-brand);
}

.star-btn:hover {
    color: var(--color-brand);
    transform: scale(1.15);
}

/* Responsive Grid Catalogs */
@media (min-width: 992px) {
    .prompts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1400px) {
    .prompts-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .app-sidebar {
        width: 100%;
        height: auto;
        position: relative;
        padding: 20px;
    }
    
    .sidebar-menu {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 6px;
    }
    
    .sidebar-menu li a {
        padding: 8px 12px;
        font-size: 12px;
    }
    
    .sidebar-footer {
        display: none;
    }

    .app-content {
        margin-left: 0;
        padding: 24px;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
}