:root {
    --pumpkin: #ff8050;
    --blob: #fd8;
    --matte-black: #28282B;

    /* Light mode colors */
    --accent: var(--pumpkin);
    --bg-gradient-start: #fff7f2;
    --bg-gradient-end: #ffe1d1;
    --navbar-bg: rgba(255, 128, 0, 0.25);
    --navbar-border: rgba(255, 128, 0, 0.3);
    --card-bg: #fff;
    --card-shadow: rgba(0,0,0,0.1);
    --text-primary: #333;
    --text-secondary: #666;
    --link-color: #09f;
    --logout-color: #f66;
    --chat-bg: #f9f9f9;
    --chat-border: #ddd;
    --chat-message-bg: white;
    --footer-bg: transparent;
    --footer-text: #666;
}

/* Dark mode colors */
[data-theme="dark"] {
    --accent: var(--blob);
    --bg-gradient-start: #1a1a1a;
    --bg-gradient-end: #2d2d2d;
    --navbar-bg: rgba(40, 40, 43, 0.9);
    --navbar-border: rgba(255, 128, 80, 0.3);
    --card-bg: #333;
    --card-shadow: rgba(0,0,0,0.3);
    --text-primary: #e0e0e0;
    --text-secondary: #ccc;
    --link-color: #4da6ff;
    --logout-color: #ff6b6b;
    --chat-bg: #2a2a2a;
    --chat-border: #444;
    --chat-message-bg: #333;
    --footer-bg: #1a1a1a;
    --footer-text: #ccc;
}

body {
    font-family: Rubik, 'Segoe UI', 'Trebuchet MS', 'Arial Nova', Arial, sans-serif;
    margin: 0;
    background: linear-gradient(180deg, var(--bg-gradient-start), var(--bg-gradient-end));
    color: var(--text-primary);
    transition: background 0.3s ease, color 0.3s ease;
}

h1, h2, h3 {
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif !important;
}

.navbar {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    gap: 1rem;
    background: var(--navbar-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--navbar-border);
    transition: background 0.3s ease, border-color 0.3s ease;
    justify-content: space-between;
}

.navbar-brand {
    color: var(--accent) !important;
    font-weight: bold;
    text-decoration: none;
    font-size: 1.1rem;
}

.navbar-nav {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.nav-link {
    color: inherit;
    text-decoration: none;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
}

.nav-link.active {
    color: var(--navbar-active);
}

/* Small responsive tweak: stack on very small screens */
@media (max-width: 480px) {
    .navbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .navbar-nav {
        flex-direction: column;
        gap: 0.25rem;
    }

    .navbar .dark-mode-toggle {
        margin-left: 0 !important;
        margin-top: 0.5rem !important;
    }
}

.container {
    max-width: 1100px;
    margin: 2rem auto;
    padding: 0 1rem;
}

h1, h2, h3 {
    color: var(--accent)
}

.btn-disabled {
    background: linear-gradient(135deg, #444, #222);
    color: #aaa;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: not-allowed;
    opacity: 0.6;
    transition: 0.3s ease;
}

.btn-disabled:hover {
    opacity: 0.8;
}

.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 12px var(--card-shadow);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

h3 {
    color: var(--accent);
    transition: 0.3s ease;
}

h3:hover {
    transform: translateX(4px);
}

/* === Fix for dropdown layout: === */

/* Make navbar appear above cards */
.navbar {
    position: relative;
    z-index: 1000;
}

/* Make dropdown menus appear above cards */
.navbar .dropdown-menu {
    position: absolute;
    z-index: 2000;
}

/* Dark mode toggle button */
.dark-mode-toggle {
    background: rgba(255, 128, 80, 0.1) !important;
    border: 2px solid var(--accent) !important;
    color: var(--accent) !important;
    font-size: 1.2rem !important;
    cursor: pointer !important;
    padding: 0.5rem !important;
    border-radius: 50% !important;
    transition: all 0.3s ease !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 40px !important;
    height: 40px !important;
    outline: 2px solid transparent !important;
    box-shadow: none !important;
    position: relative !important;
    z-index: 1001 !important;
}

.dark-mode-toggle:hover {
    background: rgba(255, 128, 80, 0.2) !important;
    transform: scale(1.1) !important;
    outline: 2px solid var(--accent) !important;
    box-shadow: 0 0 10px rgba(255, 128, 80, 0.3) !important;
}

.dark-mode-toggle:active {
    transform: scale(0.95) !important;
    background: rgba(255, 128, 80, 0.3) !important;
}

footer {
    text-align: center;
    padding: 2rem 1rem;
    background: var(--footer-bg);
    color: var(--footer-text);
    border-top: 1px solid var(--chat-border);
    transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Additional dark mode styles */
.navbar-nav .nav-link {
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--accent);
}

.dropdown-menu {
    background: var(--card-bg);
    border: 1px solid var(--chat-border);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.dropdown-menu li a {
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.dropdown-menu li a:hover {
    background: var(--navbar-bg);
    color: var(--accent);
}

.btn {
    transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.form-control {
    background: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--chat-border);
    transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 0.2rem rgba(255, 128, 80, 0.25);
}