/* ================================================================
   app.css — adamdavidbriggs.com Master Stylesheet
   Design System: Dark editorial, gold accent, zero dependencies
   Upload to: /home/adamdavi/public_html/assets/css/app.css
   ================================================================ */

/* ----------------------------------------------------------------
   1. RESET & BASE
   ---------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'DM Sans', Georgia, serif;
    font-weight: 300;
    background: var(--color-black);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, video, svg {
    display: block;
    max-width: 100%;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-light);
}

button {
    cursor: pointer;
    font-family: inherit;
}

ul, ol {
    list-style: none;
}

input, textarea, select {
    font-family: inherit;
}

/* ----------------------------------------------------------------
   2. CSS CUSTOM PROPERTIES (Design Tokens)
   ---------------------------------------------------------------- */
:root {
    /* Colors */
    --color-black:        #0a0a0a;
    --color-dark:         #111111;
    --color-card:         #161616;
    --color-card-hover:   #1c1c1c;
    --color-border:       #242424;
    --color-border-light: #2e2e2e;
    --color-muted:        #3a3a3a;
    --color-text-dim:     #888888;
    --color-text:         #d4d4d4;
    --color-text-light:   #e8e8e8;
    --color-white:        #f0f0f0;

    /* Accent — Gold */
    --color-accent:       #c8a96e;
    --color-accent-light: #d4b87a;
    --color-accent-dim:   #8a7048;
    --color-accent-bg:    rgba(200, 169, 110, 0.06);
    --color-accent-glow:  rgba(200, 169, 110, 0.12);

    /* State Colors */
    --color-danger:       #e05555;
    --color-danger-bg:    rgba(224, 85, 85, 0.10);
    --color-danger-border:rgba(224, 85, 85, 0.30);
    --color-success:      #4caf76;
    --color-success-bg:   rgba(76, 175, 118, 0.10);
    --color-success-border:rgba(76, 175, 118, 0.30);
    --color-warning:      #e0a455;
    --color-warning-bg:   rgba(224, 164, 85, 0.10);
    --color-warning-border:rgba(224, 164, 85, 0.30);
    --color-info:         #5590e0;
    --color-info-bg:      rgba(85, 144, 224, 0.10);
    --color-info-border:  rgba(85, 144, 224, 0.30);

    /* Typography */
    --font-display:  'Bebas Neue', Impact, sans-serif;
    --font-body:     'DM Sans', Georgia, serif;
    --font-mono:     'DM Mono', 'Courier New', monospace;

    /* Font Sizes */
    --text-xs:   0.625rem;   /* 10px */
    --text-sm:   0.75rem;    /* 12px */
    --text-base: 0.875rem;   /* 14px */
    --text-md:   1rem;       /* 16px */
    --text-lg:   1.125rem;   /* 18px */
    --text-xl:   1.25rem;    /* 20px */
    --text-2xl:  1.5rem;     /* 24px */
    --text-3xl:  2rem;       /* 32px */
    --text-4xl:  2.5rem;     /* 40px */
    --text-5xl:  3.5rem;     /* 56px */
    --text-6xl:  5rem;       /* 80px */

    /* Spacing */
    --space-1:  0.25rem;
    --space-2:  0.5rem;
    --space-3:  0.75rem;
    --space-4:  1rem;
    --space-5:  1.25rem;
    --space-6:  1.5rem;
    --space-8:  2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Border Radius */
    --radius-sm:  4px;
    --radius-md:  6px;
    --radius-lg:  10px;
    --radius-xl:  16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm:  0 1px 3px rgba(0,0,0,0.4);
    --shadow-md:  0 4px 16px rgba(0,0,0,0.5);
    --shadow-lg:  0 8px 32px rgba(0,0,0,0.6);
    --shadow-xl:  0 16px 48px rgba(0,0,0,0.7);
    --shadow-accent: 0 0 24px rgba(200,169,110,0.15);

    /* Transitions */
    --transition-fast:   0.15s ease;
    --transition-base:   0.25s ease;
    --transition-slow:   0.4s ease;
    --transition-spring: 0.5s cubic-bezier(0.16, 1, 0.3, 1);

    /* Layout */
    --container-sm:  640px;
    --container-md:  768px;
    --container-lg:  1024px;
    --container-xl:  1280px;
    --container-2xl: 1440px;

    /* Admin Sidebar */
    --sidebar-width: 260px;
    --topbar-height: 64px;
}

/* ----------------------------------------------------------------
   3. TYPOGRAPHY
   ---------------------------------------------------------------- */
.font-display { font-family: var(--font-display); }
.font-mono    { font-family: var(--font-mono); }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1;
    color: var(--color-white);
    letter-spacing: 0.02em;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
    color: var(--color-text);
    font-size: var(--text-base);
    line-height: 1.75;
}

.text-xs    { font-size: var(--text-xs); }
.text-sm    { font-size: var(--text-sm); }
.text-base  { font-size: var(--text-base); }
.text-md    { font-size: var(--text-md); }
.text-lg    { font-size: var(--text-lg); }
.text-xl    { font-size: var(--text-xl); }
.text-2xl   { font-size: var(--text-2xl); }
.text-3xl   { font-size: var(--text-3xl); }
.text-4xl   { font-size: var(--text-4xl); }

.text-white   { color: var(--color-white); }
.text-light   { color: var(--color-text-light); }
.text-default { color: var(--color-text); }
.text-dim     { color: var(--color-text-dim); }
.text-accent  { color: var(--color-accent); }
.text-danger  { color: var(--color-danger); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-muted   { color: var(--color-muted); }

.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-left   { text-align: left; }

.uppercase   { text-transform: uppercase; }
.tracking-wide  { letter-spacing: 0.1em; }
.tracking-wider { letter-spacing: 0.2em; }
.label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-dim);
}

/* ----------------------------------------------------------------
   4. LAYOUT & CONTAINERS
   ---------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-sm  { max-width: var(--container-sm); }
.container-md  { max-width: var(--container-md); }
.container-lg  { max-width: var(--container-lg); }
.container-2xl { max-width: var(--container-2xl); }

.section {
    padding: var(--space-20) 0;
}

.section-sm {
    padding: var(--space-12) 0;
}

/* Flex helpers */
.flex         { display: flex; }
.flex-col     { flex-direction: column; }
.flex-wrap    { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start  { align-items: flex-start; }
.items-end    { align-items: flex-end; }
.justify-center  { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end     { justify-content: flex-end; }
.gap-1  { gap: var(--space-1); }
.gap-2  { gap: var(--space-2); }
.gap-3  { gap: var(--space-3); }
.gap-4  { gap: var(--space-4); }
.gap-6  { gap: var(--space-6); }
.gap-8  { gap: var(--space-8); }
.gap-12 { gap: var(--space-12); }

/* Grid helpers */
.grid         { display: grid; }
.grid-2       { grid-template-columns: repeat(2, 1fr); }
.grid-3       { grid-template-columns: repeat(3, 1fr); }
.grid-4       { grid-template-columns: repeat(4, 1fr); }

/* ----------------------------------------------------------------
   5. BACKGROUND & TEXTURE
   ---------------------------------------------------------------- */
.bg-black    { background: var(--color-black); }
.bg-dark     { background: var(--color-dark); }
.bg-card     { background: var(--color-card); }

/* Grid texture overlay — add class to body or section */
.bg-grid::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(200,169,110,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(200,169,110,0.025) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
    z-index: 0;
}

/* Glow orb */
.glow-orb {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(200,169,110,0.07) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    pointer-events: none;
    animation: orb-drift 14s ease-in-out infinite alternate;
    z-index: 0;
}

@keyframes orb-drift {
    from { transform: translate(0, 0); }
    to   { transform: translate(-80px, 100px); }
}

/* ----------------------------------------------------------------
   6. CARDS
   ---------------------------------------------------------------- */
.card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
    border-color: var(--color-border-light);
    box-shadow: var(--shadow-md);
}

.card-accent {
    border-color: var(--color-accent-dim);
}

.card-sm { padding: var(--space-4); }
.card-lg { padding: var(--space-8); }

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.card-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    color: var(--color-white);
    letter-spacing: 0.06em;
}

/* ----------------------------------------------------------------
   7. BUTTONS
   ---------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 11px var(--space-5);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    font-family: var(--font-display);
    font-size: 0.95rem;
    letter-spacing: 0.1em;
    line-height: 1;
    transition: all var(--transition-fast);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

/* Primary */
.btn-primary {
    background: var(--color-accent);
    color: var(--color-black);
    border-color: var(--color-accent);
}
.btn-primary:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent-light);
    color: var(--color-black);
}

/* Secondary */
.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border-light);
}
.btn-secondary:hover {
    background: var(--color-card);
    border-color: var(--color-muted);
    color: var(--color-white);
}

/* Danger */
.btn-danger {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    border-color: var(--color-danger-border);
}
.btn-danger:hover {
    background: var(--color-danger);
    color: var(--color-white);
}

/* Ghost */
.btn-ghost {
    background: transparent;
    color: var(--color-text-dim);
    border-color: transparent;
}
.btn-ghost:hover {
    background: var(--color-card);
    color: var(--color-white);
}

/* Sizes */
.btn-xs { padding: 6px 12px; font-size: var(--text-xs); letter-spacing: 0.12em; }
.btn-sm { padding: 8px var(--space-4); font-size: var(--text-sm); }
.btn-lg { padding: 15px var(--space-8); font-size: var(--text-md); }
.btn-block { width: 100%; }

/* Loading state */
.btn.loading .btn-text   { visibility: hidden; }
.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

/* ----------------------------------------------------------------
   8. FORM ELEMENTS
   ---------------------------------------------------------------- */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-dim);
}

.form-label.required::after {
    content: ' *';
    color: var(--color-accent);
}

.form-control {
    width: 100%;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 12px var(--space-4);
    color: var(--color-white);
    font-size: var(--text-base);
    font-weight: 300;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
    -webkit-appearance: none;
}

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

.form-control:focus {
    border-color: var(--color-accent-dim);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
    background: #1a1a1a;
}

.form-control.is-error {
    border-color: var(--color-danger-border);
    box-shadow: 0 0 0 3px var(--color-danger-bg);
}

.form-control.is-success {
    border-color: var(--color-success-border);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

select.form-control {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
    cursor: pointer;
}

.form-control:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.form-hint {
    font-size: var(--text-xs);
    color: var(--color-text-dim);
    margin-top: var(--space-1);
}

.form-error {
    font-size: var(--text-xs);
    color: var(--color-danger);
    margin-top: var(--space-1);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

/* Input with icon */
.input-wrap {
    position: relative;
}

.input-wrap .form-control {
    padding-left: 42px;
}

.input-icon {
    position: absolute;
    left: 13px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-muted);
    pointer-events: none;
    transition: color var(--transition-fast);
    width: 18px;
    height: 18px;
}

.input-wrap:focus-within .input-icon {
    color: var(--color-accent-dim);
}

.input-action {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-muted);
    padding: var(--space-1);
    display: flex;
    align-items: center;
    transition: color var(--transition-fast);
}

.input-action:hover { color: var(--color-text); }

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    user-select: none;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 17px;
    height: 17px;
    border: 1px solid var(--color-border-light);
    background: var(--color-card);
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.form-check input[type="checkbox"] { border-radius: var(--radius-sm); }
.form-check input[type="radio"]    { border-radius: 50%; }

.form-check input[type="checkbox"]:checked {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.form-check input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 1px;
    width: 5px;
    height: 9px;
    border: 2px solid var(--color-black);
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
}

.form-check input[type="radio"]:checked {
    border-color: var(--color-accent);
    box-shadow: inset 0 0 0 4px var(--color-accent);
}

.form-check-label {
    font-size: var(--text-base);
    color: var(--color-text);
}

/* ----------------------------------------------------------------
   9. ALERTS & NOTIFICATIONS
   ---------------------------------------------------------------- */
.alert {
    padding: var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    line-height: 1.5;
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    animation: alert-in 0.3s ease both;
}

@keyframes alert-in {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.alert-icon { flex-shrink: 0; margin-top: 1px; }

.alert-error {
    background: var(--color-danger-bg);
    border: 1px solid var(--color-danger-border);
    color: #e07777;
}

.alert-success {
    background: var(--color-success-bg);
    border: 1px solid var(--color-success-border);
    color: #6abf88;
}

.alert-warning {
    background: var(--color-warning-bg);
    border: 1px solid var(--color-warning-border);
    color: #d4a55a;
}

.alert-info {
    background: var(--color-info-bg);
    border: 1px solid var(--color-info-border);
    color: #6699dd;
}

/* ----------------------------------------------------------------
   10. BADGES & PILLS
   ---------------------------------------------------------------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 500;
    line-height: 1.4;
}

.badge-accent   { background: var(--color-accent-bg);   color: var(--color-accent);  border: 1px solid rgba(200,169,110,0.2); }
.badge-success  { background: var(--color-success-bg);  color: var(--color-success); border: 1px solid var(--color-success-border); }
.badge-danger   { background: var(--color-danger-bg);   color: var(--color-danger);  border: 1px solid var(--color-danger-border); }
.badge-warning  { background: var(--color-warning-bg);  color: var(--color-warning); border: 1px solid var(--color-warning-border); }
.badge-info     { background: var(--color-info-bg);     color: var(--color-info);    border: 1px solid var(--color-info-border); }
.badge-muted    { background: rgba(255,255,255,0.05);   color: var(--color-text-dim);border: 1px solid var(--color-border); }

/* Live dot */
.badge-live::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.4; }
}

/* ----------------------------------------------------------------
   11. TABLES
   ---------------------------------------------------------------- */
.table-wrap {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: var(--color-dark);
    border-bottom: 1px solid var(--color-border);
}

thead th {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-dim);
    white-space: nowrap;
}

tbody tr {
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition-fast);
}

tbody tr:last-child { border-bottom: none; }

tbody tr:hover { background: var(--color-card-hover); }

tbody td {
    padding: var(--space-4);
    font-size: var(--text-base);
    color: var(--color-text);
    vertical-align: middle;
}

/* ----------------------------------------------------------------
   12. NAVIGATION — TOP BAR
   ---------------------------------------------------------------- */
.topbar {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: var(--topbar-height);
    background: var(--color-dark);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-6);
    z-index: 100;
    transition: left var(--transition-base);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.topbar-title {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-dim);
}

/* ----------------------------------------------------------------
   13. NAVIGATION — SIDEBAR
   ---------------------------------------------------------------- */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--color-dark);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    z-index: 200;
    overflow: hidden;
    transition: transform var(--transition-spring);
}

.sidebar-brand {
    padding: var(--space-6);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.sidebar-brand-name {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    color: var(--color-white);
    letter-spacing: 0.04em;
    line-height: 1;
}

.sidebar-brand-name span { color: var(--color-accent); }

.sidebar-brand-sub {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-text-dim);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-top: var(--space-1);
}

.sidebar-nav {
    flex: 1;
    padding: var(--space-4) 0;
    overflow-y: auto;
}

.sidebar-section {
    padding: var(--space-3) var(--space-4) var(--space-2);
}

.sidebar-section-label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 10px var(--space-4);
    color: var(--color-text-dim);
    font-size: var(--text-base);
    font-weight: 300;
    border-left: 2px solid transparent;
    transition: all var(--transition-fast);
    position: relative;
}

.sidebar-link:hover {
    color: var(--color-text-light);
    background: rgba(255,255,255,0.03);
    border-left-color: var(--color-border-light);
}

.sidebar-link.active {
    color: var(--color-accent);
    background: var(--color-accent-bg);
    border-left-color: var(--color-accent);
}

.sidebar-link svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    opacity: 0.7;
}

.sidebar-link.active svg { opacity: 1; }

.sidebar-link-badge {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    background: var(--color-accent-bg);
    color: var(--color-accent);
    border: 1px solid rgba(200,169,110,0.2);
    padding: 1px 7px;
    border-radius: var(--radius-full);
}

.sidebar-footer {
    padding: var(--space-4);
    border-top: 1px solid var(--color-border);
    flex-shrink: 0;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.sidebar-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--color-accent-bg);
    border: 1px solid var(--color-accent-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: var(--text-md);
    color: var(--color-accent);
    flex-shrink: 0;
}

.sidebar-user-info { flex: 1; min-width: 0; }

.sidebar-user-name {
    font-size: var(--text-base);
    color: var(--color-white);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-accent-dim);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* ----------------------------------------------------------------
   14. ADMIN LAYOUT
   ---------------------------------------------------------------- */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

.admin-main {
    margin-left: var(--sidebar-width);
    margin-top: var(--topbar-height);
    flex: 1;
    padding: var(--space-8);
    min-width: 0;
}

.page-header {
    margin-bottom: var(--space-8);
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.page-title {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    color: var(--color-white);
    letter-spacing: 0.04em;
    line-height: 1;
}

.page-subtitle {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-text-dim);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-top: var(--space-2);
}

/* ----------------------------------------------------------------
   15. STAT CARDS (Dashboard)
   ---------------------------------------------------------------- */
.stat-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    position: relative;
    overflow: hidden;
    transition: border-color var(--transition-base);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent-dim), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.stat-card:hover { border-color: var(--color-border-light); }
.stat-card:hover::before { opacity: 1; }

.stat-label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-dim);
    margin-bottom: var(--space-3);
}

.stat-value {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    color: var(--color-white);
    letter-spacing: 0.02em;
    line-height: 1;
}

.stat-change {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    margin-top: var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.stat-change.up   { color: var(--color-success); }
.stat-change.down { color: var(--color-danger); }
.stat-change.neutral { color: var(--color-text-dim); }

.stat-icon {
    position: absolute;
    top: var(--space-5);
    right: var(--space-5);
    opacity: 0.08;
    color: var(--color-accent);
}

/* ----------------------------------------------------------------
   16. PUBLIC SITE — HEADER / NAV
   ---------------------------------------------------------------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 72px;
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    z-index: 500;
    transition: background var(--transition-base);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    color: var(--color-white);
    letter-spacing: 0.04em;
    line-height: 1;
}

.site-logo span { color: var(--color-accent); }

.site-nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.site-nav a {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-dim);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.site-nav a:hover {
    color: var(--color-white);
    background: rgba(255,255,255,0.04);
}

.site-nav a.active {
    color: var(--color-accent);
}

.site-main {
    padding-top: 72px;
}

/* ----------------------------------------------------------------
   17. DIVIDERS & SEPARATORS
   ---------------------------------------------------------------- */
.divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--space-6) 0;
}

.divider-accent {
    background: linear-gradient(90deg, transparent, var(--color-accent-dim), transparent);
}

/* ----------------------------------------------------------------
   18. MODALS
   ---------------------------------------------------------------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    backdrop-filter: blur(4px);
    z-index: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal {
    background: var(--color-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 520px;
    padding: var(--space-8);
    box-shadow: var(--shadow-xl);
    transform: translateY(16px) scale(0.98);
    transition: transform var(--transition-spring);
}

.modal-overlay.active .modal {
    transform: translateY(0) scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
}

.modal-title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    color: var(--color-white);
    letter-spacing: 0.06em;
}

.modal-close {
    background: none;
    border: none;
    color: var(--color-text-dim);
    padding: var(--space-1);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-white);
    background: var(--color-muted);
}

/* ----------------------------------------------------------------
   19. PAGINATION
   ---------------------------------------------------------------- */
.pagination {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    flex-wrap: wrap;
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--color-text-dim);
    border: 1px solid var(--color-border);
    transition: all var(--transition-fast);
}

.page-link:hover {
    border-color: var(--color-accent-dim);
    color: var(--color-accent);
    background: var(--color-accent-bg);
}

.page-link.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-black);
}

.page-link.disabled {
    opacity: 0.3;
    pointer-events: none;
}

/* ----------------------------------------------------------------
   20. TOASTS / FLASH MESSAGES
   ---------------------------------------------------------------- */
.toast-container {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    pointer-events: all;
    animation: toast-in 0.4s var(--transition-spring) both;
    max-width: 360px;
    font-size: var(--text-base);
}

@keyframes toast-in {
    from { opacity: 0; transform: translateX(40px); }
    to   { opacity: 1; transform: translateX(0); }
}

.toast.toast-out {
    animation: toast-out 0.3s ease both;
}

@keyframes toast-out {
    from { opacity: 1; transform: translateX(0); }
    to   { opacity: 0; transform: translateX(40px); }
}

.toast-success { background: #1a2e22; border: 1px solid var(--color-success-border); color: #6abf88; }
.toast-error   { background: #2e1a1a; border: 1px solid var(--color-danger-border);  color: #e07777; }
.toast-warning { background: #2e241a; border: 1px solid var(--color-warning-border); color: #d4a55a; }
.toast-info    { background: #1a2030; border: 1px solid var(--color-info-border);    color: #6699dd; }

/* ----------------------------------------------------------------
   21. UTILITIES
   ---------------------------------------------------------------- */
.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border-width: 0;
}

.hidden   { display: none !important; }
.visible  { display: block !important; }
.relative { position: relative; }
.absolute { position: absolute; }
.fixed    { position: fixed; }

.w-full  { width: 100%; }
.h-full  { height: 100%; }
.min-h-screen { min-height: 100vh; }

.overflow-hidden { overflow: hidden; }
.overflow-auto   { overflow: auto; }

.rounded    { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mt-2  { margin-top: var(--space-2); }
.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mb-2  { margin-bottom: var(--space-2); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-6  { margin-bottom: var(--space-6); }
.mb-8  { margin-bottom: var(--space-8); }

/* ----------------------------------------------------------------
   22. ANIMATIONS
   ---------------------------------------------------------------- */
@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes slide-up {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes slide-in-left {
    from { opacity: 0; transform: translateX(-20px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes slide-in-right {
    from { opacity: 0; transform: translateX(20px); }
    to   { opacity: 1; transform: translateX(0); }
}

.animate-fade-in       { animation: fade-in 0.5s ease both; }
.animate-slide-up      { animation: slide-up 0.5s var(--transition-spring) both; }
.animate-slide-left    { animation: slide-in-left 0.5s var(--transition-spring) both; }
.animate-slide-right   { animation: slide-in-right 0.5s var(--transition-spring) both; }

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* ----------------------------------------------------------------
   23. RESPONSIVE BREAKPOINTS
   ---------------------------------------------------------------- */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-xl);
    }

    .topbar {
        left: 0;
    }

    .admin-main {
        margin-left: 0;
    }

    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    :root {
        --space-20: 3rem;
        --space-16: 2.5rem;
    }

    .grid-2,
    .grid-3,
    .grid-4 { grid-template-columns: 1fr; }

    .admin-main { padding: var(--space-4); }

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

    .site-nav { display: none; }

    .container { padding: 0 var(--space-4); }

    h1 { font-size: var(--text-4xl); }
    h2 { font-size: var(--text-3xl); }
}

@media (max-width: 480px) {
    .modal { padding: var(--space-5); }
    .toast-container { bottom: var(--space-4); right: var(--space-4); left: var(--space-4); }
    .toast { max-width: 100%; }
}