:root {
    --bg-color: #0f172a;
    --sidebar-bg: #1e293b;
    --text-color: #e2e8f0;
    --primary-color: #3b82f6;
    --accent-color: #60a5fa;
    --card-bg: #334155;
    --input-bg: #1e293b;
    --border-color: #475569;
    --success-color: #22c55e;
    --warning-color: #eab308;
    --error-color: #ef4444;
}

body {
    margin: 0;
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Remove old Container/Flex styles */

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background-color: transparent;
    position: relative;
    z-index: 100;
}

.nav-left-group {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.menu-bars {
    display: flex;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    width: 30px;
}

.menu-bars span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--text-color);
    border-radius: 3px;
    transition: 0.3s;
}

.nav-logo {
    font-size: 2rem;
    font-weight: 700;
}

/* Sidebar Overlay */
.sidebar {
    position: fixed;
    top: 0;
    left: -100%;
    width: 300px;
    height: 100vh;
    /* Full Height */
    background-color: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    padding: 2rem;
    transition: 0.4s ease;
    z-index: 1000;
    box-shadow: none;
    overflow-y: auto;
    display: block;
    /* Override old flex display if needed */
}

.sidebar.active {
    left: 0;
}

.close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 2.5rem;
    color: var(--text-color);
    cursor: pointer;
    line-height: 1;
}

.sidebar-title {
    font-size: 1rem;
    color: #888;
    margin-top: 1rem;
    margin-bottom: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    border-bottom: none;
    /* Override old style */
    padding-bottom: 0;
}

.sidebar-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.sidebar-links a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 1.2rem;
    padding: 0.8rem 0;
    transition: 0.2s;
    display: flex;
    align-items: center;
    gap: 12px;
    border-radius: 0;
    /* Reset */
}

.sidebar-links a:hover {
    color: var(--primary-color);
    background: none;
    /* Reset old hover */
    transform: translateX(5px);
}

/* Main Content */
.main-content {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

p.description {
    color: #94a3b8;
    margin-bottom: 30px;
}

/* Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.card {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
    color: var(--text-color);
    display: block;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    background-color: #475569;
}

.card i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 15px;
    display: block;
}

.card h3 {
    margin: 10px 0;
}

/* Forms */
form {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    max-width: 600px;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="email"] {
    width: 100%;
    padding: 12px;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: white;
    font-family: inherit;
    box-sizing: border-box;
    transition: border-color 0.3s;
}

input:focus {
    outline: none;
    border-color: var(--primary-color);
}

button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background 0.3s;
}

button:hover {
    background-color: var(--accent-color);
}

/* Flash Messages */
.flashes {
    margin-bottom: 20px;
}

.flash-message {
    padding: 15px;
    background-color: var(--card-bg);
    border-left: 5px solid var(--success-color);
    border-radius: 6px;
    margin-bottom: 10px;
}

/* Auth Pages */
.auth-container {
    max-width: 400px;
    margin: 40px auto;
    padding: 30px;
    background-color: var(--card-bg);
    border-radius: 12px;
    text-align: center;
}

.auth-container h1 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.auth-container form {
    background: none;
    padding: 0;
    text-align: left;
}

.divider {
    margin: 20px 0;
    position: relative;
    text-align: center;
}

.divider::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border-color);
    z-index: 1;
}

.divider span {
    background: var(--card-bg);
    padding: 0 10px;
    color: #94a3b8;
    position: relative;
    z-index: 2;
    font-size: 0.9rem;
}

.social-login {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.social-login .btn {
    text-decoration: none;
    text-align: center;
    padding: 12px;
    border-radius: 6px;
    font-weight: 600;
    color: white;
    transition: background 0.3s;
}

.btn-google {
    background-color: #db4437;
}

.btn-google:hover {
    background-color: #c53929;
}

.btn-github {
    background-color: #333;
}

.btn-github:hover {
    background-color: #24292e;
}

.auth-switch {
    margin-top: 20px;
    font-size: 0.9rem;
}

.auth-switch a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Tables & Dashboard */
.table-container,
.history-table-container {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    overflow-x: auto;
    margin-top: 20px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    color: var(--text-color);
}

.data-table th,
.data-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    font-weight: 600;
    color: var(--primary-color);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.badge {
    background-color: var(--bg-color);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--accent-color);
    display: inline-block;
}

.admin-section {
    margin-bottom: 40px;
}

.bottom-link {
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    padding-top: 10px;
}