:root {
    --primary: #673de6;
    --primary-hover: #5025d1;
    --dark: #18181a;
    --gray-dark: #36344d;
    --gray-light: #f2f3f6;
    --light: #fff;
    --danger: #fc5185;
    --text: #333;
    --text-muted: #727586;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--gray-light);
    color: var(--text);
    line-height: 1.6;
}

/* Login */
.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(135deg, #18181a, #36344d);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: var(--light);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    text-align: center;
}

.login-box h2 {
    color: var(--dark);
    margin-bottom: 5px;
}

.login-box p {
    color: var(--text-muted);
    margin-bottom: 25px;
    font-size: 0.9rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--gray-dark);
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

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

.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
    text-decoration: none;
    text-align: center;
}

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

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

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

.btn-block {
    display: block;
    width: 100%;
}

.alert {
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.alert-danger {
    background-color: #ffe8ef;
    color: #d63163;
    border: 1px solid #fea8c2;
}

.alert-success {
    background-color: #def4f0;
    color: #008361;
    border: 1px solid #00b090;
}

.back-link {
    margin-top: 20px;
    font-size: 0.85rem;
}

.back-link a {
    color: var(--text-muted);
    text-decoration: none;
}

.back-link a:hover {
    color: var(--primary);
}

/* Dashboard Layout */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background-color: var(--dark);
    color: var(--light);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 20px;
    font-size: 1.2rem;
    font-weight: 600;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-menu {
    list-style: none;
    flex-grow: 1;
    padding: 20px 0;
}

.sidebar-menu li a {
    display: block;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: background-color 0.2s, color 0.2s;
}

.sidebar-menu li a:hover,
.sidebar-menu li a.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--light);
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-footer a {
    color: var(--danger);
    text-decoration: none;
    font-size: 0.9rem;
}

.main-content {
    flex-grow: 1;
    padding: 30px;
    overflow-y: auto;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    background: var(--light);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.header h1 {
    font-size: 1.5rem;
    color: var(--dark);
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    background: var(--light);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 15px 20px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

th {
    background-color: #fafafa;
    font-weight: 600;
    color: var(--gray-dark);
}

tr:hover {
    background-color: #fdfdfd;
}

/* Actions */
.actions a {
    margin-right: 10px;
    color: var(--primary);
    text-decoration: none;
}

.actions a.text-danger {
    color: var(--danger);
}