/* Global Styles & Reset - Dark Premium Theme */
:root {
    /* Color Palette - Cyber/Dark Premium */
    --bg-body: #0f172a;
    /* Very dark slate blue/black */
    --bg-sidebar: #1e293b;
    /* Dark slate */
    --bg-card: #1e293b;
    /* Matching card bg */
    --bg-input: #334155;
    /* Lighter for inputs */

    --text-main: #f8fafc;
    /* Almost white */
    --text-muted: #94a3b8;
    /* Muted blue-grey */

    --primary-color: #38bdf8;
    /* Cyan/Sky Blue for primary actions */
    --primary-hover: #0ea5e9;

    --secondary-color: #64748b;
    --success-color: #22c55e;
    /* Vibrant Green */
    --info-color: #06b6d4;
    /* Cyan */
    --warning-color: #f59e0b;
    /* Amber */
    --danger-color: #ef4444;
    /* Red */

    --border-color: #334155;
    /* Subtle borders */

    --sidebar-width: 260px;
    --font-heading: 'Nunito', sans-serif;
    --font-body: 'Nunito', sans-serif;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.5);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.5), 0 2px 4px -1px rgb(0 0 0 / 0.3);
    --glow: 0 0 10px rgba(56, 189, 248, 0.3);
    /* Premium glow effect */
}

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-body);
    color: var(--text-main);
    margin: 0;
    padding: 0;
    height: 100vh;
    overflow: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    letter-spacing: 0.5px;
    color: var(--text-main);
}

a {
    transition: all 0.3s ease;
    text-decoration: none !important;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Wrapper */
.wrapper {
    display: flex;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar Styling */
#sidebar {
    min-width: var(--sidebar-width);
    max-width: var(--sidebar-width);
    background: var(--bg-sidebar);
    color: var(--text-muted);
    transition: all 0.3s;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow-y: auto;
    z-index: 1000;
}

#sidebar .sidebar-header {
    padding: 20px;
    background: rgba(0, 0, 0, 0.2);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

#sidebar .sidebar-header img {
    border: 2px solid var(--primary-color);
    padding: 2px;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    object-fit: cover;
    box-shadow: var(--glow);
}

/* Sidebar Menu */
#sidebar ul.components {
    padding: 15px 0;
    flex-grow: 1;
}

#sidebar ul p {
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0 20px;
    margin-bottom: 10px;
    opacity: 0.7;
}

#sidebar ul li a {
    padding: 12px 20px;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    color: var(--text-muted);
    border-left: 3px solid transparent;
    /* Highlight marker */
}

#sidebar ul li a i {
    width: 25px;
    margin-right: 10px;
    font-size: 1.1rem;
    text-align: center;
}

/* Hover & Active */
#sidebar ul li a:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
    border-left-color: var(--secondary-color);
}

#sidebar ul li.active>a {
    color: var(--text-main);
    background: linear-gradient(90deg, rgba(56, 189, 248, 0.15) 0%, transparent 100%);
    border-left-color: var(--primary-color);
    text-shadow: 0 0 5px rgba(56, 189, 248, 0.5);
}

#sidebar ul li.active>a i {
    color: var(--primary-color);
}

/* Submenu */
ul.collapse {
    background: rgba(0, 0, 0, 0.2) !important;
}

/* Main Content */
#content {
    flex-grow: 1;
    height: 100%;
    overflow-y: auto;
    padding: 25px;
    background-color: var(--bg-body);
}

/* Cards (Dark Mode) */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    margin-bottom: 25px;
    color: var(--text-main);
}

.card-header {
    background-color: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h6 {
    margin: 0;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Tables (Dark Mode) */
.table {
    color: var(--text-muted);
    margin-bottom: 0;
}

.table thead th {
    background-color: rgba(0, 0, 0, 0.3);
    color: var(--text-main);
    border-bottom: 2px solid var(--border-color);
    border-top: none;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}

.table tbody td {
    border-top: 1px solid var(--border-color);
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    color: var(--text-main);
    background-color: rgba(255, 255, 255, 0.05);
}

/* Forms & Inputs */
.form-control,
.form-select {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 10px 15px;
}

.form-control:focus,
.form-select:focus {
    background-color: var(--bg-input);
    border-color: var(--primary-color);
    color: var(--text-main);
    box-shadow: 0 0 0 0.25rem rgba(56, 189, 248, 0.25);
}

/* Buttons */
.btn {
    border-radius: 6px;
    padding: 8px 20px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.85rem;
    transition: all 0.3s;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    /* Updated to match new variable */
    color: #0f172a;
    /* Dark text on bright button for contrast */
    box-shadow: 0 4px 6px rgba(56, 189, 248, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    color: #fff;
    box-shadow: 0 0 15px rgba(56, 189, 248, 0.5);
    transform: translateY(-1px);
}

.btn-success {
    background-color: var(--success-color);
    border: none;
    color: #fff;
}

.btn-danger {
    background-color: var(--danger-color);
    border: none;
    color: #fff;
}

/* Utilities */
.text-gray-800 {
    color: var(--text-main) !important;
}

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

.shadow {
    box-shadow: var(--shadow-md) !important;
}

/* Responsive */
@media (max-width: 768px) {
    #sidebar {
        margin-left: -260px;
    }

    #sidebar.active {
        margin-left: 0;
    }

    #content {
        width: 100%;
    }
}

/* =========================================
   Fix for Chat Messages & Light Backgrounds
   ========================================= */
.bg-white {
    background-color: #ffffff !important;
    color: #1e293b !important;
    /* Force dark text on white backgrounds */
}

/* Fix bg-light BUT exclude Navbar */
.bg-light:not(.navbar) {
    background-color: #f1f5f9 !important;
    color: #1e293b !important;
}

/* Navbar (Top) - FIXED for Dark Mode */
/* Using high specificity to override any bootstrap classes */
.navbar,
nav.navbar {
    background-color: var(--bg-card) !important;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    margin-bottom: 30px;
    border-radius: 12px;
}

.navbar-brand {
    color: var(--text-main) !important;
    font-weight: 700;
}

/* Chat bubble overrides */
.chat-bubble-received {
    background-color: #ffffff;
    color: #1e293b;
    border: 1px solid #e2e8f0;
}

.chat-bubble-sent {
    background-color: var(--primary-color);
    color: #0f172a;
    /* Dark blue/black text */
}

/* List Groups */
.list-group-item {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-main);
}

.list-group-item:hover,
.list-group-item-action:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
}

.list-group-item.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #0f172a;
}