:root {
    --primary-gold: #d4a629;
    --primary-gray: #58585a;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --black: #1a1a1a;
    --border-color: #e0e0e0;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--light-gray);
    color: var(--black);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 450px;
}

.login-box {
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    padding: 40px;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.logo-container {
    width: 200px;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
}

.logo-image {
    width: 100%;
    height: auto;
    max-width: 200px;
}

.login-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 8px;
}

.login-header .subtitle {
    font-size: 14px;
    color: var(--primary-gray);
    margin: 0;
}

.login-form {
    margin-bottom: 24px;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-gray);
    margin-bottom: 8px;
}

.form-group label i {
    margin-right: 6px;
    color: var(--primary-gold);
}

.form-control {
    width: 100%;
    height: 48px;
    padding: 12px 16px;
    font-size: 15px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--white);
    color: var(--black);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-gold);
    box-shadow: 0 0 0 3px rgba(212, 166, 41, 0.1);
}

.form-control::placeholder {
    color: #999;
}

.password-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--primary-gray);
    cursor: pointer;
    padding: 8px;
    transition: var(--transition);
}

.password-toggle:hover {
    color: var(--primary-gold);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    font-size: 14px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    color: var(--primary-gray);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 8px;
    cursor: pointer;
    accent-color: var(--primary-gold);
}

.forgot-link {
    color: var(--primary-gold);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.forgot-link:hover {
    color: #b8901f;
}

.btn {
    font-weight: 600;
    border: none;
    border-radius: 10px;
    padding: 14px 24px;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-gold), #e6b73a);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(212, 166, 41, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(212, 166, 41, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-block {
    width: 100%;
}

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

.btn-secondary:hover {
    background: #454547;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-gold);
    color: var(--primary-gold);
}

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

.login-footer {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.login-footer p {
    font-size: 14px;
    color: var(--primary-gray);
    margin-bottom: 12px;
}

.register-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-gold);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
}

.register-link:hover {
    color: #b8901f;
    gap: 12px;
}

.login-info {
    text-align: center;
    margin-top: 20px;
}

.login-info p {
    font-size: 12px;
    color: var(--primary-gray);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.login-info i {
    color: #4caf50;
}

.alert {
    padding: 14px 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background: #e8f5e9;
    color: #2e7d32;
    border: 1px solid #a5d6a7;
}

.alert-danger {
    background: #ffebee;
    color: #c62828;
    border: 1px solid #ef9a9a;
}

.alert-warning {
    background: #fff3e0;
    color: #e65100;
    border: 1px solid #ffcc80;
}

.alert-info {
    background: #e3f2fd;
    color: #1565c0;
    border: 1px solid #90caf9;
}

.spinner-border {
    width: 16px;
    height: 16px;
    border-width: 2px;
}

.d-none {
    display: none !important;
}

.navbar {
    background: var(--white);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    box-shadow: var(--shadow);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--black);
    text-decoration: none;
}

.navbar-brand i {
    color: var(--primary-gold);
    font-size: 24px;
}

.sidebar {
    background: var(--white);
    border-right: 1px solid var(--border-color);
    height: calc(100vh - 70px);
    position: fixed;
    width: 260px;
    padding: 24px 0;
}

.sidebar-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-nav li {
    margin-bottom: 4px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    color: var(--primary-gray);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
    background: var(--light-gray);
    color: var(--black);
}

.sidebar-nav a.active {
    background: rgba(212, 166, 41, 0.1);
    color: var(--primary-gold);
    border-left-color: var(--primary-gold);
}

.sidebar-nav i {
    width: 20px;
    text-align: center;
}

.main-content {
    margin-left: 260px;
    padding: 32px;
    min-height: calc(100vh - 70px);
}

.page-header {
    margin-bottom: 32px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 8px;
}

.page-header p {
    color: var(--primary-gray);
    font-size: 15px;
}

.card {
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
}

.card-header {
    font-size: 18px;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.stat-card {
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 24px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-card .icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 16px;
}

.stat-card .icon.gold {
    background: linear-gradient(135deg, var(--primary-gold), #e6b73a);
    color: var(--white);
}

.stat-card .icon.gray {
    background: var(--primary-gray);
    color: var(--white);
}

.stat-card h3 {
    font-size: 32px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 4px;
}

.stat-card p {
    color: var(--primary-gray);
    font-size: 14px;
    margin: 0;
}

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

.table thead {
    background: var(--light-gray);
}

.table th {
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--primary-gray);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    padding: 14px 16px;
    border-top: 1px solid var(--border-color);
    color: var(--black);
}

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

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-gold {
    background: rgba(212, 166, 41, 0.1);
    color: var(--primary-gold);
}

.badge-gray {
    background: rgba(88, 88, 90, 0.1);
    color: var(--primary-gray);
}

.badge-success {
    background: #e8f5e9;
    color: #2e7d32;
}

.badge-warning {
    background: #fff3e0;
    color: #e65100;
}

.badge-danger {
    background: #ffebee;
    color: #c62828;
}

@media (max-width: 768px) {
    .login-box {
        padding: 32px 24px;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .main-content {
        margin-left: 0;
        padding: 20px;
    }
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--light-gray);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
}

.user-menu:hover {
    background: var(--border-color);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-gold), #e6b73a);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
}

.user-info {
    flex: 1;
}

.user-info .name {
    font-weight: 600;
    color: var(--black);
    font-size: 14px;
}

.user-info .role {
    font-size: 12px;
    color: var(--primary-gray);
}