/* --- Base & Typography --- */
body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* --- Login Page Background --- */
#login-container {
    background-color: #0c0a09;
    background-image:
        linear-gradient(var(--accent-primary-hover), var(--accent-primary-hover) 1px, transparent 1px),
        linear-gradient(90deg, var(--accent-primary-hover), var(--accent-primary-hover) 1px, transparent 1px);
    background-size: 40px 40px;
    animation: pan-background 20s linear infinite;
    position: relative;
    overflow: hidden;
}

#login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(17, 24, 39, 0) 0%, var(--bg-page) 80%);
}

@keyframes pan-background {
    0% {
        background-position: 0 0;
    }

    100% {
        background-position: 400px 400px;
    }
}

#login-container>div {
    position: relative;
    z-index: 10;
    border: 1px solid var(--border-primary);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.3);
}

/* --- Main UI Background --- */
#main-ui-container>main {
    background-image: radial-gradient(var(--border-primary) 0.5px, transparent 0.5px);
    background-size: 20px 20px;
}


ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

a {
    text-decoration: none;
    color: inherit;
}

/* --- THEME DEFINITIONS (CSS CUSTOM PROPERTIES) --- */
:root {
    --bg-page: #111827;
    --bg-primary: rgba(31, 41, 55, 0.85);
    --bg-secondary: #1f2937;
    --bg-tertiary: #374151;
    --bg-code: #111827;
    --bg-hover: rgba(55, 65, 81, 0.4);
    --bg-modal: rgba(0, 0, 0, 0.7);

    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;

    --border-primary: #4b5563;

    --accent-primary: #8b5cf6;
    --accent-primary-hover: #7c3aed;

    --accent-secondary: #06b6d4;
    --accent-secondary-hover: #0891b2;

    --accent-danger: #ef4444;
    --accent-danger-hover: #dc2626;
}

body.theme-light {
    --bg-page: #f3f4f6;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --bg-code: #e5e7eb;
    --bg-hover: #e5e7eb;
    --bg-modal: rgba(0, 0, 0, 0.4);

    --text-primary: #1f2937;
    --text-secondary: #374151;
    --text-muted: #6b7280;

    --border-primary: #d1d5db;

    --accent-primary: #4f46e5;
    --accent-primary-hover: #4338ca;

    --accent-secondary: #0ea5e9;
    --accent-secondary-hover: #0284c7;

    --accent-danger: #e11d48;
    --accent-danger-hover: #be123c;
}

body.theme-dark {
    --bg-page: #000000;
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-tertiary: #374151;
    --bg-code: #1f2937;
    --bg-hover: rgba(30, 41, 59, 0.6);
    --bg-modal: rgba(0, 0, 0, 0.8);

    --text-primary: #ffffff;
    --text-secondary: #e5e7eb;
    --text-muted: #9ca3af;

    --border-primary: #4b5563;

    --accent-primary: #16a34a;
    --accent-primary-hover: #15803d;

    /* CORRECTED: Changed the secondary accent from orange to sky blue */
    --accent-secondary: #0ea5e9;
    --accent-secondary-hover: #0284c7;

    --accent-danger: #f43f5e;
    --accent-danger-hover: #e11d48;
}

/* --- NEW: NEON GLOW THEME --- */
body.theme-neon-glow {
    --bg-page: #0d0d0d;
    --bg-primary: rgba(10, 10, 10, 0.8);
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --bg-code: #000000;
    --bg-hover: rgba(0, 255, 255, 0.1);
    --bg-modal: rgba(0, 0, 0, 0.8);

    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #888888;

    --border-primary: #00ffff;

    --accent-primary: #d946ef;
    /* Fuchsia */
    --accent-primary-hover: #c026d3;

    --accent-secondary: #22d3ee;
    /* Cyan */
    --accent-secondary-hover: #06b6d4;

    --accent-danger: #f43f5e;
    /* Rose */
    --accent-danger-hover: #e11d48;

    /* Add text-shadow for the glow effect */
    text-shadow: 0 0 2px rgba(255, 255, 255, 0.1);
}

.theme-neon-glow .text-accent-primary {
    text-shadow: 0 0 8px var(--accent-primary), 0 0 12px var(--accent-primary);
}

.theme-neon-glow .text-accent-secondary {
    text-shadow: 0 0 8px var(--accent-secondary), 0 0 12px var(--accent-secondary);
}

.theme-neon-glow .btn-primary {
    box-shadow: 0 0 10px var(--accent-primary);
}

.theme-neon-glow .btn-primary:hover {
    box-shadow: 0 0 15px var(--accent-primary-hover);
}

.theme-neon-glow .btn-secondary {
    box-shadow: 0 0 10px var(--accent-secondary);
}

.theme-neon-glow .btn-secondary:hover {
    box-shadow: 0 0 15px var(--accent-secondary-hover);
}

.theme-neon-glow .btn-danger {
    box-shadow: 0 0 10px var(--accent-danger);
}

.theme-neon-glow .btn-danger:hover {
    box-shadow: 0 0 15px var(--accent-danger-hover);
}


/* --- THEME-AWARE UTILITY CLASSES --- */
.bg-page {
    background-color: var(--bg-page);
}

.bg-primary {
    background-color: var(--bg-primary);
}

.bg-secondary {
    background-color: var(--bg-secondary);
}

.bg-tertiary {
    background-color: var(--bg-tertiary);
}

.bg-code {
    background-color: var(--bg-code);
}

.bg-modal-backdrop {
    background-color: var(--bg-modal);
}

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

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

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

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

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

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

/* --- Enhanced Button Styles --- */
.btn-primary,
.btn-secondary,
.btn-danger {
    transition: all 0.2s ease-in-out;
    border: 1px solid transparent;
}

.btn-primary:hover,
.btn-secondary:hover,
.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-primary {
    background-color: var(--accent-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--accent-primary-hover);
}

.btn-secondary {
    background-color: var(--accent-secondary);
    color: white;
}

.btn-secondary:hover {
    background-color: var(--accent-secondary-hover);
}

.btn-danger {
    background-color: var(--accent-danger);
    color: white;
}

.btn-danger:hover {
    background-color: var(--accent-danger-hover);
}

/* --- Enhanced Nav Link Styles --- */
.nav-link {
    position: relative;
    transition: all 0.2s ease-in-out;
}

.nav-link:hover {
    padding-left: 1.25rem;
    /* Indent on hover */
}

.nav-link.active-link,
.nav-link:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.nav-link.active-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background-color: var(--accent-secondary);
    border-top-right-radius: 4px;
    border-bottom-right-radius: 4px;
}

.logout-btn:hover {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--accent-danger);
    padding-left: 1.25rem;
}

.server-list-btn.active-server {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

/* --- Enhanced Card Styles --- */
.bg-primary.p-6.rounded-xl.shadow-lg {
    border: 1px solid var(--border-primary);
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

/* --- Page & Card Styles --- */
.page {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}