/* =====================================================
   ZVpn Theme System v3
   Class-based Dark/Light Mode (.dark on <html>)
   ===================================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* =====================================================
   CSS Custom Properties — LIGHT MODE (default in :root)
   ===================================================== */
:root {
    /* Background Colors — Light */
    --bg-main: #F5F5F5;
    --bg-surface: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-elevated: #F0F0F0;

    /* Primary Red Accent (same both modes) */
    --primary: #FF3B5C;
    --primary-dark: #B11226;
    --primary-light: #FF6B7F;

    /* Text Colors — Light */
    --text-main: #111827;
    --text-sub: #374151;
    --text-muted: #6B7280;

    /* Border Colors — Light */
    --border: #E5E7EB;
    --border-light: #D1D5DB;

    /* Gradients — Light (subtle / hidden) */
    --red-glow: none;
    --red-glow-soft: none;
    --red-gradient: linear-gradient(135deg, #FF3B5C, #B11226);
    --red-gradient-soft: linear-gradient(135deg, rgba(255, 59, 92, 0.08), rgba(177, 18, 38, 0.04));

    /* Shadows — Light */
    --shadow-red: 0 0 20px rgba(255, 59, 92, 0.15);
    --shadow-red-soft: 0 0 10px rgba(255, 59, 92, 0.08);
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);

    /* Glass — Light */
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 0, 0, 0.06);

    /* Scrollbar */
    --scrollbar-track: #F0F0F0;
    --scrollbar-thumb: #C4C4C4;
    --scrollbar-thumb-hover: #A0A0A0;

    /* Hover overlay */
    --hover-overlay: rgba(0, 0, 0, 0.03);
    --table-hover: rgba(0, 0, 0, 0.02);

    /* Transition */
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =====================================================
   DARK MODE — .dark class on <html>
   ===================================================== */
.dark {
    /* Background Colors — Dark */
    --bg-main: #0A0A0B;
    --bg-surface: #111113;
    --bg-card: #18181B;
    --bg-elevated: #1f1f23;

    /* Text Colors — Dark */
    --text-main: #FFFFFF;
    --text-sub: #A1A1AA;
    --text-muted: #71717A;

    /* Border Colors — Dark */
    --border: #27272A;
    --border-light: #3f3f46;

    /* Gradients — Dark (vivid glow) */
    --red-glow: radial-gradient(circle at top, rgba(255, 59, 92, 0.25), transparent 60%);
    --red-glow-soft: radial-gradient(ellipse at top center, rgba(255, 59, 92, 0.15), transparent 50%);
    --red-gradient-soft: linear-gradient(135deg, rgba(255, 59, 92, 0.2), rgba(177, 18, 38, 0.1));

    /* Shadows — Dark */
    --shadow-red: 0 0 40px rgba(255, 59, 92, 0.35);
    --shadow-red-soft: 0 0 20px rgba(255, 59, 92, 0.2);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);

    /* Glass — Dark */
    --glass-bg: rgba(24, 24, 27, 0.8);
    --glass-border: rgba(255, 255, 255, 0.05);

    /* Scrollbar — Dark */
    --scrollbar-track: #0A0A0B;
    --scrollbar-thumb: #3f3f46;
    --scrollbar-thumb-hover: #52525b;

    /* Hover overlay — Dark */
    --hover-overlay: rgba(255, 255, 255, 0.03);
    --table-hover: rgba(255, 255, 255, 0.02);
}

/* =====================================================
   Smooth Transition on Theme Switch
   ===================================================== */
html,
body,
main,
aside,
header,
nav,
div,
section,
a,
p,
span,
h1,
h2,
h3,
h4,
h5,
h6,
input,
select,
textarea,
button {
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

/* =====================================================
   Base Styles
   ===================================================== */
* {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    margin: 0;
}

/* =====================================================
   Custom Scrollbar (uses variables)
   ===================================================== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}

/* =====================================================
   Glassmorphism Cards (uses variables)
   ===================================================== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: var(--transition);
}

.card:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow-card);
}

/* =====================================================
   Red Glow Effects (uses variables — hidden in light)
   ===================================================== */
.glow-red {
    box-shadow: var(--shadow-red);
}

.glow-red-soft {
    box-shadow: var(--shadow-red-soft);
}

.bg-red-glow {
    background: var(--red-glow);
}

.bg-red-glow-soft {
    background: var(--red-glow-soft);
}

/* =====================================================
   Primary CTA Buttons
   ===================================================== */
.btn-primary {
    background: var(--red-gradient);
    color: #FFFFFF;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary::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;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-red);
}

/* Secondary Button */
.btn-secondary {
    background: transparent;
    color: var(--text-main);
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 500;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: var(--hover-overlay);
    border-color: var(--border-light);
}

/* Red Outline Button */
.btn-outline-red {
    background: transparent;
    color: var(--primary);
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 500;
    border: 1px solid var(--primary);
    cursor: pointer;
    transition: var(--transition);
}

.btn-outline-red:hover {
    background: rgba(255, 59, 92, 0.1);
}

/* =====================================================
   Card Hover Effects (uses variables)
   ===================================================== */
.card-hover {
    transition: var(--transition);
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
    border-color: rgba(255, 59, 92, 0.3);
}

/* Featured Card (Red Glow) */
.card-featured {
    border: 1px solid rgba(255, 59, 92, 0.5);
    background: linear-gradient(180deg, rgba(255, 59, 92, 0.08) 0%, var(--bg-card) 100%);
    box-shadow: 0 0 30px rgba(255, 59, 92, 0.15);
}

.card-featured:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-red);
}

/* =====================================================
   Stats Cards
   ===================================================== */
.stat-card {
    position: relative;
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    transition: var(--transition);
}

.stat-card::before {
    content: '';
    position: absolute;
    right: -30px;
    top: -30px;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--primary);
    opacity: 0.08;
    transition: var(--transition);
}

.stat-card:hover::before {
    transform: scale(1.3);
    opacity: 0.12;
}

/* =====================================================
   Progress Bar
   ===================================================== */
.progress-bar {
    height: 8px;
    background: var(--bg-surface);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--red-gradient);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.progress-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

/* =====================================================
   Pulse Animations
   ===================================================== */
.pulse-red {
    animation: pulse-red 2s infinite;
}

@keyframes pulse-red {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(255, 59, 92, 0.4);
    }

    50% {
        box-shadow: 0 0 0 10px rgba(255, 59, 92, 0);
    }
}

.pulse-green {
    animation: pulse-green 2s infinite;
}

@keyframes pulse-green {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.4);
    }

    50% {
        box-shadow: 0 0 0 8px rgba(74, 222, 128, 0);
    }
}

/* =====================================================
   Navigation & Sidebar
   ===================================================== */
.nav-item {
    position: relative;
    transition: var(--transition);
    padding: 10px 16px;
    border-radius: 8px;
}

.nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--red-gradient);
    border-radius: 0 2px 2px 0;
    transition: height 0.2s ease;
}

.nav-item:hover,
.nav-item.active {
    background: rgba(255, 59, 92, 0.1);
    color: var(--primary);
}

.nav-item:hover::before,
.nav-item.active::before {
    height: 60%;
}

/* =====================================================
   Table Styles (uses variables)
   ===================================================== */
.table-row {
    transition: var(--transition);
    position: relative;
}

.table-row::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: linear-gradient(90deg, rgba(255, 59, 92, 0.1), transparent);
    transition: width 0.3s ease;
}

.table-row:hover::before {
    width: 100%;
}

.table-row:hover {
    background: var(--table-hover);
}

/* =====================================================
   Input Fields
   ===================================================== */
.input-field {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--text-main);
    transition: var(--transition);
    width: 100%;
}

.input-field:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 59, 92, 0.15);
    outline: none;
}

.input-field::placeholder {
    color: var(--text-muted);
}

/* =====================================================
   Badge Styles
   ===================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 500;
}

.badge-primary {
    background: rgba(255, 59, 92, 0.15);
    color: var(--primary);
    border: 1px solid rgba(255, 59, 92, 0.3);
}

.badge-success {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-warning {
    background: rgba(234, 179, 8, 0.15);
    color: #facc15;
    border: 1px solid rgba(234, 179, 8, 0.3);
}

/* =====================================================
   Loading Spinner
   ===================================================== */
.spinner {
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* =====================================================
   Toast Notifications
   ===================================================== */
.toast {
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* =====================================================
   Floating Animation
   ===================================================== */
@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.float-animation {
    animation: float 4s ease-in-out infinite;
}

/* =====================================================
   Cyber Grid Background
   ===================================================== */
.cyber-grid {
    background-image:
        linear-gradient(rgba(255, 59, 92, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 59, 92, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* =====================================================
   Globe/World Map Effect
   ===================================================== */
.globe-effect {
    position: relative;
}

.globe-effect::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 59, 92, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

/* =====================================================
   Marquee Animation
   ===================================================== */
.marquee {
    overflow: hidden;
    white-space: nowrap;
}

.marquee-content {
    display: inline-block;
    animation: marquee 20s linear infinite;
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* =====================================================
   Responsive Styles
   ===================================================== */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        z-index: 50;
        transition: left 0.3s ease;
        width: 260px;
    }

    .sidebar.open {
        left: 0;
    }

    .overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.7);
        backdrop-filter: blur(4px);
        z-index: 40;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .overlay.open {
        opacity: 1;
        visibility: visible;
    }
}

/* =====================================================
   Utility Classes (all use CSS variables)
   ===================================================== */
.text-primary {
    color: var(--primary);
}

.text-sub {
    color: var(--text-sub);
}

.text-muted {
    color: var(--text-muted);
}

.bg-main {
    background-color: var(--bg-main);
}

.bg-surface {
    background-color: var(--bg-surface);
}

.bg-card {
    background-color: var(--bg-card);
}

.border-main {
    border-color: var(--border);
}

.border-red {
    border-color: var(--primary);
}

/* Red gradient text */
.text-gradient-red {
    background: var(--red-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Selection color */
::selection {
    background: rgba(255, 59, 92, 0.3);
    color: var(--text-main);
}

/* =====================================================
   Server Status Styles
   ===================================================== */
.status-online {
    color: #4ade80;
}

.status-offline {
    color: #f87171;
}

.status-maintenance {
    color: #facc15;
}

/* Latency color coding */
.latency-good {
    color: #4ade80;
}

.latency-medium {
    color: #facc15;
}

.latency-bad {
    color: #f87171;
}

/* =====================================================
   Copy Button Animation
   ===================================================== */
.copy-btn {
    transition: var(--transition);
}

.copy-btn:active {
    transform: scale(0.95);
}

.copy-btn.copied {
    background: var(--primary) !important;
}

/* =====================================================
   Light Mode Overrides
   These catch any remaining hardcoded dark classes
   from inline Tailwind that use text-white, bg-[#xxx]
   ===================================================== */

/* Fix text-white in light mode */
:root:not(.dark) .text-white {
    color: var(--text-main) !important;
}

:root:not(.dark) h1,
:root:not(.dark) h2,
:root:not(.dark) h3 {
    color: var(--text-main);
}

/* Fix inline bg-[var(--bg-main)] etc on body/main */
:root:not(.dark) body {
    background-color: var(--bg-main) !important;
    color: var(--text-main) !important;
}

:root:not(.dark) main {
    background-color: var(--bg-main) !important;
}

:root:not(.dark) aside {
    background-color: var(--bg-card) !important;
    border-color: var(--border) !important;
}

:root:not(.dark) header.header-component {
    background-color: var(--bg-surface) !important;
    border-color: var(--border) !important;
}

/* Fix inputs in light mode */
:root:not(.dark) input,
:root:not(.dark) select,
:root:not(.dark) textarea {
    background-color: #F3F4F6 !important;
    border-color: var(--border) !important;
    color: var(--text-main) !important;
}

/* Fix muted text colors */
:root:not(.dark) [class*="text-\\[\\#71717A\\]"],
:root:not(.dark) .text-gray-400,
:root:not(.dark) .text-gray-500 {
    color: var(--text-muted) !important;
}

/* Fix dropdowns */
:root:not(.dark) #langDropdown,
:root:not(.dark) #notifDropdown {
    background-color: var(--bg-card) !important;
    border-color: var(--border) !important;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}

/* Fix nav borders */
:root:not(.dark) nav {
    border-color: var(--border);
}