/* ===== TacticX Social Media Automation — Design System (Light Theme) ===== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* --- CSS Custom Properties --- */
:root {
    /* Brand Colors */
    --brand-primary: #4F46E5;
    --brand-secondary: #7C3AED;
    --brand-gradient: linear-gradient(135deg, #4F46E5, #7C3AED);
    --brand-gradient-hover: linear-gradient(135deg, #4338CA, #6D28D9);
    --brand-glow: 0 4px 14px rgba(79, 70, 229, 0.25);

    /* Platform Colors */
    --linkedin: #0A66C2;
    --twitter: #1D9BF0;
    --reddit: #FF4500;
    --wordpress: #21759B;
    --telegram: #26A5E4;

    /* Background Layers */
    --bg-base: #F8F9FC;
    --bg-surface: #FFFFFF;
    --bg-elevated: #F1F3F9;
    --bg-hover: #E8EBF2;
    --bg-glass: rgba(255, 255, 255, 0.85);
    --bg-glass-border: rgba(0, 0, 0, 0.06);

    /* Text */
    --text-primary: #1A1D2B;
    --text-secondary: #5B6178;
    --text-tertiary: #9198AC;
    --text-inverse: #FFFFFF;

    /* Borders */
    --border-subtle: rgba(0, 0, 0, 0.05);
    --border-default: rgba(0, 0, 0, 0.09);
    --border-strong: rgba(0, 0, 0, 0.14);

    /* Status Colors */
    --success: #059669;
    --success-bg: rgba(5, 150, 105, 0.08);
    --warning: #D97706;
    --warning-bg: rgba(217, 119, 6, 0.08);
    --error: #DC2626;
    --error-bg: rgba(220, 38, 38, 0.08);
    --info: #4F46E5;
    --info-bg: rgba(79, 70, 229, 0.08);

    /* Spacing Scale */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --text-xs: 0.75rem;
    --text-sm: 0.8125rem;
    --text-base: 0.9375rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout */
    --sidebar-width: 260px;
    --sidebar-collapsed: 72px;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Subtle gradient wash */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse 80% 50% at 10% 0%, rgba(79, 70, 229, 0.04), transparent),
        radial-gradient(ellipse 60% 40% at 90% 90%, rgba(124, 58, 237, 0.03), transparent);
    pointer-events: none;
    z-index: 0;
}

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

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

img {
    max-width: 100%;
    height: auto;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* --- App Layout --- */
.app-layout {
    display: flex;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

/* --- Sidebar --- */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    background: var(--bg-surface);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: width var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.sidebar-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.sidebar-logo {
    width: 38px;
    height: 38px;
    background: var(--brand-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: var(--text-lg);
    color: white;
    flex-shrink: 0;
    box-shadow: var(--brand-glow);
}

.sidebar-brand {
    display: flex;
    flex-direction: column;
}

.sidebar-brand h1 {
    font-size: var(--text-lg);
    font-weight: 700;
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.sidebar-brand span {
    font-size: 10px;
    color: var(--text-tertiary);
    font-weight: 600;
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

.sidebar-nav {
    flex: 1;
    padding: var(--space-4) var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    overflow-y: auto;
}

.nav-section-label {
    font-size: 10px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    font-weight: 700;
    padding: var(--space-5) var(--space-3) var(--space-2);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--text-sm);
    font-weight: 500;
    position: relative;
    user-select: none;
}

.nav-item:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--info-bg);
    color: var(--brand-primary);
    font-weight: 600;
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    background: var(--brand-gradient);
    border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

.nav-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    opacity: 0.6;
}

.nav-item.active svg {
    opacity: 1;
}

.nav-badge {
    margin-left: auto;
    background: var(--error);
    color: white;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: var(--radius-full);
    min-width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--border-subtle);
}

.system-status {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(5, 150, 105, 0.4);
    }

    50% {
        opacity: 0.7;
        box-shadow: 0 0 0 4px rgba(5, 150, 105, 0);
    }
}

/* --- Main Content --- */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
    padding: var(--space-8);
    transition: margin-left var(--transition-base);
}

/* --- Page Header --- */
.page-header {
    margin-bottom: var(--space-8);
}

.page-header h2 {
    font-size: var(--text-3xl);
    font-weight: 700;
    margin-bottom: var(--space-1);
    color: var(--text-primary);
}

.page-header p {
    color: var(--text-secondary);
    font-size: var(--text-base);
}

.page-header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-4);
    flex-wrap: wrap;
}

/* --- Grid System --- */
.grid {
    display: grid;
    gap: var(--space-6);
}

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

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

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

.grid-auto {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.span-2 {
    grid-column: span 2;
}

.span-3 {
    grid-column: span 3;
}

.span-full {
    grid-column: 1 / -1;
}

/* --- Responsive --- */
@media (max-width: 1200px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .sidebar {
        width: var(--sidebar-collapsed);
    }

    .sidebar .sidebar-brand,
    .sidebar .nav-item span,
    .sidebar .nav-section-label,
    .sidebar .nav-badge {
        display: none;
    }

    .main-content {
        margin-left: var(--sidebar-collapsed);
        padding: var(--space-4);
    }

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

    .span-2,
    .span-3 {
        grid-column: span 1;
    }
}

/* --- Utilities --- */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.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);
}

.text-xs {
    font-size: var(--text-xs);
}

.text-sm {
    font-size: var(--text-sm);
}

.text-base {
    font-size: var(--text-base);
}

.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);
}

.font-mono {
    font-family: var(--font-mono);
}

.font-medium {
    font-weight: 500;
}

.font-semibold {
    font-weight: 600;
}

.font-bold {
    font-weight: 700;
}

.text-primary {
    color: var(--text-primary);
}

.text-secondary {
    color: var(--text-secondary);
}

.text-tertiary {
    color: var(--text-tertiary);
}

.text-success {
    color: var(--success);
}

.text-warning {
    color: var(--warning);
}

.text-error {
    color: var(--error);
}

.text-brand {
    color: var(--brand-primary);
}

.mt-1 {
    margin-top: var(--space-1);
}

.mt-2 {
    margin-top: var(--space-2);
}

.mt-4 {
    margin-top: var(--space-4);
}

.mt-6 {
    margin-top: var(--space-6);
}

.mb-2 {
    margin-bottom: var(--space-2);
}

.mb-4 {
    margin-bottom: var(--space-4);
}

.mb-6 {
    margin-bottom: var(--space-6);
}

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

.hidden {
    display: none !important;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-fade-in {
    animation: fadeIn 0.4s ease-out;
}

.animate-slide-in {
    animation: slideInRight 0.3s ease-out;
}

.animate-scale-in {
    animation: scaleIn 0.3s ease-out;
}