/**
 * Constanta One - Shared CSS
 * Dual theme (dark/light) - CSS custom properties with 3-layer token system
 */

/* ===== LAYER 1: Primitive Tokens (raw palette + layout) ===== */
:root {
    /* Layout */
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --sidebar-width: 240px;
    --card-width: 480px;
    --action-width: 80px;

    /* Primitive Colors */
    --color-gray-50: #fafafa;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e8e8e8;
    --color-gray-300: #d4d4d4;
    --color-gray-400: #a3a3a3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-850: #1e1e1e;
    --color-gray-900: #171717;
    --color-gray-950: #0a0a0a;
    --color-white: #ffffff;
    --color-red-500: #fe2c55;
    --color-red-600: #e02548;
    --color-red-700: #dc2626;
    --color-green-500: #22c55e;
    --color-yellow-500: #ffc107;
    --color-blue-600: #0052a3;
    --color-blue-700: #0066cc;
    --color-error-500: #e53935;
}

/* ===== LAYER 2: Semantic Tokens - Dark Theme ===== */
[data-theme="dark"] {
    --bg-primary: var(--color-gray-950);
    --bg-secondary: var(--color-gray-900);
    --bg-tertiary: var(--color-gray-800);
    --text-primary: var(--color-gray-50);
    --text-secondary: var(--color-gray-400);
    --text-muted: var(--color-gray-400);
    --accent: var(--color-red-500);
    --accent-hover: var(--color-red-600);
    --card-bg: var(--color-gray-850);
    --card-border: var(--color-gray-700);
    --border-color: var(--color-gray-700);
    --overlay-bg: rgba(0, 0, 0, 0.7);
    --shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.4);

    /* Component: Badge */
    --badge-text: #ffffff;
    --badge-shadow: 0 2px 6px rgba(254, 44, 85, 0.4);

    /* Component: Score level backgrounds */
    --score-1-bg: #1a1a1a;
    --score-2-bg: #1a2a2a;
    --score-3-bg: #1a2030;
    --score-4-bg: #251a30;
    --score-5-bg: #2a2510;
    --score-6-bg: #2a1515;

    /* Component: Meta badges */
    --scope-badge-bg: rgba(255, 255, 255, 0.1);
    --scope-badge-text: var(--color-gray-300);
    --scope-badge-border: rgba(255, 255, 255, 0.15);
    --score-badge-bg: rgba(255, 255, 255, 0.1);
    --score-badge-text: var(--color-gray-300);
    --score-badge-border: rgba(255, 255, 255, 0.15);
    --engagement-badge-bg: rgba(254, 44, 85, 0.15);
    --engagement-badge-text: #ff6b8a;
    --engagement-badge-border: rgba(254, 44, 85, 0.25);
    --local-badge-bg: var(--color-green-500);
    --local-badge-text: #ffffff;

    /* Component: Gradient overlays */
    --gradient-top: rgba(0, 0, 0, 0.5);
    --gradient-bottom: rgba(0, 0, 0, 0.9);
    --card-inner-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);

    /* Component: Action count */
    --action-count-bg: rgba(0, 0, 0, 0.7);

    /* Component: Accent hover */
    --accent-hover-bg: rgba(254, 44, 85, 0.15);

    /* Component: Pattern stroke/fill */
    --pattern-stroke: rgba(255, 255, 255, 0.08);
    --pattern-fill: rgba(255, 255, 255, 0.05);

    /* Form inputs */
    --input-bg: var(--color-gray-800);
    --input-border: var(--color-gray-600);
    --input-focus-bg: var(--color-gray-800);
    --input-placeholder: var(--color-gray-500);

    /* Unread notification */
    --bg-unread: rgba(254, 44, 85, 0.08);
    --bg-unread-hover: rgba(254, 44, 85, 0.12);

    /* Skeleton loading */
    --skeleton-base: var(--color-gray-800);
    --skeleton-shine: var(--color-gray-700);

    /* Animation tokens */
    --duration-instant: 100ms;
    --duration-fast: 200ms;
    --duration-normal: 300ms;
    --duration-slow: 500ms;
    --duration-sweep: var(--sweep-speed, 800ms);
    --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in: cubic-bezier(0.4, 0, 1, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Info boxes / reply context */
    --info-bg: rgba(255, 255, 255, 0.05);

    /* Scrollbar */
    --scrollbar-thumb: rgba(255, 255, 255, 0.1);
    --scrollbar-thumb-hover: rgba(255, 255, 255, 0.2);

    /* Nav components (sidebar, bottombar) */
    --nav-bg: rgba(30, 30, 30, 0.95);
    --nav-border: var(--color-gray-700);
    --nav-btn-bg: var(--color-gray-800);
    --nav-btn-hover: var(--color-gray-700);

    /* 404 error code decorativ */
    --error-code-color: rgba(255, 255, 255, 0.06);
}

/* ===== LAYER 2: Semantic Tokens - Light Theme ===== */
[data-theme="light"] {
    --bg-primary: var(--color-white);
    --bg-secondary: var(--color-gray-100);
    --bg-tertiary: var(--color-gray-200);
    --text-primary: var(--color-gray-900);
    --text-secondary: #555555;
    --text-muted: #777777;
    --accent: var(--color-red-500);
    --accent-hover: var(--color-blue-600);
    --card-bg: var(--color-white);
    --card-border: var(--color-gray-200);
    --border-color: var(--color-gray-200);
    --overlay-bg: rgba(0, 0, 0, 0.5);
    --shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.12);

    /* Component: Badge */
    --badge-text: #ffffff;
    --badge-shadow: 0 2px 6px rgba(254, 44, 85, 0.4);

    /* Component: Score level backgrounds */
    --score-1-bg: #f5f5f5;
    --score-2-bg: #e8f4f4;
    --score-3-bg: #e8f0f8;
    --score-4-bg: #f0e8f4;
    --score-5-bg: #fdf6e3;
    --score-6-bg: #fef2f2;

    /* Component: Meta badges */
    --scope-badge-bg: rgba(255, 255, 255, 0.95);
    --scope-badge-text: #333333;
    --scope-badge-border: rgba(0, 0, 0, 0.1);
    --score-badge-bg: rgba(255, 255, 255, 0.95);
    --score-badge-text: #333333;
    --score-badge-border: rgba(0, 0, 0, 0.1);
    --engagement-badge-bg: #fef2f2;
    --engagement-badge-text: #dc2626;
    --engagement-badge-border: rgba(220, 38, 38, 0.2);
    --local-badge-bg: var(--color-green-500);
    --local-badge-text: #ffffff;

    /* Component: Gradient overlays */
    --gradient-top: rgba(255, 255, 255, 0.3);
    --gradient-bottom: rgba(255, 255, 255, 0.9);
    --card-inner-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);

    /* Component: Action count */
    --action-count-bg: rgba(255, 255, 255, 0.85);

    /* Component: Accent hover */
    --accent-hover-bg: rgba(254, 44, 85, 0.1);

    /* Component: Pattern stroke/fill */
    --pattern-stroke: rgba(0, 0, 0, 0.05);
    --pattern-fill: rgba(0, 0, 0, 0.04);

    /* Form inputs */
    --input-bg: #f5f5f5;
    --input-border: #e0e0e0;
    --input-focus-bg: #ffffff;
    --input-placeholder: #999999;

    /* Unread notification */
    --bg-unread: #f0f4ff;
    --bg-unread-hover: #e8f0ff;

    /* Skeleton loading */
    --skeleton-base: #f0f0f0;
    --skeleton-shine: #e8e8e8;

    /* Animation tokens */
    --duration-instant: 100ms;
    --duration-fast: 200ms;
    --duration-normal: 300ms;
    --duration-slow: 500ms;
    --duration-sweep: var(--sweep-speed, 800ms);
    --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in: cubic-bezier(0.4, 0, 1, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Info boxes / reply context */
    --info-bg: #f0f4ff;

    /* Scrollbar */
    --scrollbar-thumb: rgba(0, 0, 0, 0.1);
    --scrollbar-thumb-hover: rgba(0, 0, 0, 0.2);

    /* Nav components (sidebar, bottombar) */
    --nav-bg: rgba(255, 255, 255, 0.95);
    --nav-border: #e0e0e0;
    --nav-btn-bg: #f5f5f5;
    --nav-btn-hover: #e8e8e8;

    /* 404 error code decorativ */
    --error-code-color: #f0f0f0;
}

/* ===== Category Accent System ===== */
/* --cat-accent e setat inline din PHP pe fiecare card/container */
/* Fallback la --category-badge-default (customizer) sau --accent daca --cat-accent nu e definit */

/* Reset */
* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

/* Hide WordPress extras */
#wpadminbar, .td-header-wrap, .td-footer-wrap, #colophon, footer, .wp-footer { display: none !important; }
body.admin-bar { margin-top: 0 !important; padding-top: 0 !important; }
html { margin-top: 0 !important; }

/* ===== VIEW TRACKING: Read Badge ===== */
.topic-card.tt-read .card-frame::after {
    content: 'Citit';
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--overlay-bg);
    color: var(--badge-text);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    z-index: 10;
    pointer-events: none;
}

/* ===== NOTIFICATION BADGE ===== */
.notification-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    font-size: 11px;
    font-weight: 700;
    line-height: 16px;
    text-align: center;
    color: var(--badge-text) !important;
    background: var(--accent) !important;
    border-radius: 10px;
    z-index: 10;
    border: 2px solid var(--bg-primary);
    box-shadow: var(--badge-shadow);
    text-shadow: none;
    -webkit-text-fill-color: var(--badge-text);
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-item-btn,
.bottombar-icon {
    position: relative;
}

/* ===== BRANDING - Desktop (centered top) ===== */
.desktop-branding {
    display: none;
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 200;
}

@media (min-width: 1024px) {
    .desktop-branding { display: block; }
}

.desktop-branding a {
    text-decoration: none;
    display: flex;
    align-items: center;
}
.desktop-branding .brand-text {
    font-size: 1.6rem;
}

/* Text branding */
.brand-text {
    text-decoration: none;
    display: inline-flex;
    align-items: baseline;
    gap: 0;
    font-family: 'Quicksand', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1;
}
.brand-name {
    color: var(--text-primary);
}
.brand-accent {
    color: var(--accent);
}

/* ===== BRANDING - Mobile Header ===== */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: calc(70px + var(--safe-top));
    padding-top: calc(20px + var(--safe-top));
    background: linear-gradient(180deg, var(--card-bg) 0%, transparent 100%);
    z-index: 90;
    justify-content: center;
    align-items: center;
    pointer-events: none;
}

@media (max-width: 1023px) {
    .mobile-header { display: flex; }
}

.mobile-header .brand-text {
    font-size: 1.5rem;
}

.mobile-header a {
    display: flex;
    align-items: center;
    text-decoration: none;
    pointer-events: auto;
}

.mobile-site-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* ===== BOTTOM SHEET HANDLE ===== */
.sheet-handle {
    display: flex;
    justify-content: center;
    padding: 12px 0 4px;
    cursor: grab;
    touch-action: none;
}

.sheet-handle-bar {
    width: 36px;
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.3);
}

[data-theme="light"] .sheet-handle-bar {
    background: rgba(0, 0, 0, 0.2);
}

/* Theme transition - activat doar dupa window.load */
html.transitions-ready *,
html.transitions-ready *::before,
html.transitions-ready *::after {
    transition: background-color 250ms ease, color 250ms ease, border-color 250ms ease, box-shadow 250ms ease;
}