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

:root {
    --primary: #1ba39c;
    --secondary: #666;
    --danger: #d9534f;
    --success: #5cb85c;
    --warning: #f0ad4e;
    --info: #5bc0de;
    --light: #f5f5f5;
    --dark: #333;
    --border: #ddd;
}

html, body {
    height: 100%;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--dark);
}

body {
    display: flex;
    flex-direction: column;
}

.container {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    width: 100%;
}

/* Navbar */
.navbar {
    background-color: var(--primary);
    color: white;
    padding: 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    color: white;
    text-decoration: none;
    font-size: 20px;
    font-weight: bold;
}

.navbar-brand h1 {
    margin: 0;
    font-size: 20px;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 20px;
}

.navbar-user {
    color: rgba(255,255,255,0.8);
    font-size: 14px;
}

.nav-link {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.nav-link:hover {
    background-color: rgba(255,255,255,0.1);
}

.nav-logout {
    background-color: rgba(217,83,79,0.8);
}

.nav-logout:hover {
    background-color: rgba(217,83,79,1);
}

/* Forms and Inputs */
.form-group {
    margin-bottom: 20px;
}

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

.form-group .required {
    color: var(--danger);
    margin-left: 4px;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: inherit;
    font-size: 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-text {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: #666;
}

.text-muted {
    color: #666;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 16px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
    text-align: center;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

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

.btn-primary:hover {
    background-color: #0052a3;
}

.btn-secondary {
    background-color: #666;
    color: white;
}

.btn-secondary:hover {
    background-color: #555;
}

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

.btn-success:hover {
    background-color: #4cae4c;
}

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

.btn-info:hover {
    background-color: #46b8da;
}

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

.btn-danger:hover {
    background-color: #c9302c;
}

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

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

/* Alerts */
.alert {
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    border-radius: 4px;
}

.alert strong {
    font-weight: 600;
}

.alert-danger {
    background-color: #f2dede;
    border-color: #ebccd1;
    color: #a94442;
}

.alert-success {
    background-color: #dff0d8;
    border-color: #d6e9c6;
    color: #3c763d;
}

.alert-info {
    background-color: #d9edf7;
    border-color: #bce8f1;
    color: #31708f;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.badge-submitted {
    background-color: #d9edf7;
    color: #31708f;
}

.badge-reviewed {
    background-color: #dff0d8;
    color: #3c763d;
}

.badge-archived {
    background-color: #f5f5f5;
    color: #666;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th {
    background-color: var(--light);
    border-bottom: 2px solid var(--border);
    padding: 12px;
    text-align: left;
    font-weight: 600;
}

.table td {
    padding: 12px;
    border-bottom: 1px solid var(--border);
}

.table tbody tr:hover {
    background-color: var(--light);
}

/* Footer */
.footer {
    background-color: #f5f5f5;
    border-top: 1px solid var(--border);
    padding: 20px;
    text-align: center;
    color: #666;
    font-size: 12px;
    margin-top: auto;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar-menu {
        flex-direction: column;
        gap: 10px;
    }
    
    .btn {
        width: 100%;
        display: block;
    }
    
    .table {
        font-size: 12px;
    }
    
    .table th,
    .table td {
        padding: 8px;
    }
}