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

:root {
    --primary-color: #475569; /* Soft Slate */
    --secondary-color: #64748b;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-color: #e0e5ec;
    --text-color: #334155; /* Soft Dark Gray */
    --shadow-dark: rgba(163, 177, 198, 0.6);
    --shadow-light: rgba(255, 255, 255, 0.9);
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
}

/* Neomorphism Effects */
.neo-box {
    background: var(--bg-color);
    border-radius: 20px;
    box-shadow: 9px 9px 16px var(--shadow-dark),
                -9px -9px 16px var(--shadow-light);
}

.neo-inset {
    background: var(--bg-color);
    border-radius: 15px;
    box-shadow: inset 6px 6px 12px var(--shadow-dark),
                inset -6px -6px 12px var(--shadow-light);
}

.neo-btn {
    background: var(--bg-color);
    border-radius: 12px;
    box-shadow: 6px 6px 12px var(--shadow-dark),
                -6px -6px 12px var(--shadow-light);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.neo-btn:hover {
    box-shadow: 4px 4px 8px var(--shadow-dark),
                -4px -4px 8px var(--shadow-light);
}

.neo-btn:active {
    box-shadow: inset 4px 4px 8px var(--shadow-dark),
                inset -4px -4px 8px var(--shadow-light);
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Login Page */
.login-box {
    max-width: 450px;
    margin: 100px auto;
    padding: 50px 40px;
    background: var(--bg-color);
    border-radius: 20px;
    box-shadow: 9px 9px 16px var(--shadow-dark),
                -9px -9px 16px var(--shadow-light);
}

.login-box h1 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 32px;
}

.subtitle {
    text-align: center;
    color: #7f8c8d;
    margin-bottom: 30px;
    font-size: 14px;
}

.form-group {
    margin-bottom: 25px;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    background: var(--bg-color);
    border: none;
    border-radius: 12px;
    box-shadow: inset 4px 4px 8px var(--shadow-dark),
                inset -4px -4px 8px var(--shadow-light);
    font-size: 14px;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    box-shadow: inset 6px 6px 12px var(--shadow-dark),
                inset -6px -6px 12px var(--shadow-light);
    color: var(--primary-color);
}

.btn-login,
.btn-primary {
    width: 100%;
    padding: 15px;
    background: var(--bg-color);
    color: var(--primary-color);
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 6px 6px 12px var(--shadow-dark),
                -6px -6px 12px var(--shadow-light);
    transition: all 0.3s ease;
}

.btn-login:hover,
.btn-primary:hover {
    background: var(--bg-color);
    color: #1e293b;
    transform: translateY(-2px);
    box-shadow: 8px 8px 16px var(--shadow-dark),
                -8px -8px 16px var(--shadow-light);
}

.btn-login:active,
.btn-primary:active {
    transform: translateY(0);
    box-shadow: inset 4px 4px 8px var(--shadow-dark),
                inset -4px -4px 8px var(--shadow-light);
}

/* Error Message */
.error-message {
    background: #ffe6e6;
    color: var(--danger-color);
    padding: 12px;
    border-radius: 10px;
    margin-bottom: 20px;
    text-align: center;
    box-shadow: inset 3px 3px 6px rgba(244, 67, 54, 0.2);
}

.success-message {
    background: #e6ffe6;
    color: var(--secondary-color);
    padding: 12px;
    border-radius: 10px;
    margin-bottom: 20px;
    text-align: center;
    box-shadow: inset 3px 3px 6px rgba(76, 175, 80, 0.2);
}

/* Header */
.header {
    background: var(--bg-color);
    padding: 20px 0;
    margin-bottom: 30px;
    border-radius: 20px;
    box-shadow: 6px 6px 12px var(--shadow-dark),
                -6px -6px 12px var(--shadow-light);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 30px;
}

.header h2 {
    color: var(--primary-color);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logout-btn {
    padding: 10px 25px;
    background: var(--bg-color);
    color: var(--danger-color);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    box-shadow: 4px 4px 8px var(--shadow-dark),
                -4px -4px 8px var(--shadow-light);
    transition: all 0.3s ease;
}

.logout-btn:hover {
    box-shadow: inset 4px 4px 8px var(--shadow-dark),
                inset -4px -4px 8px var(--shadow-light);
}

/* Dashboard Cards */
.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.card {
    padding: 30px;
    background: var(--bg-color);
    border-radius: 20px;
    box-shadow: 9px 9px 16px var(--shadow-dark),
                -9px -9px 16px var(--shadow-light);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 12px 12px 20px var(--shadow-dark),
                -12px -12px 20px var(--shadow-light);
}

.card h3 {
    font-size: 16px;
    color: #7f8c8d;
    margin-bottom: 10px;
}

.card .value {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
}

/* Table */
.table-container {
    background: var(--bg-color);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 9px 9px 16px var(--shadow-dark),
                -9px -9px 16px var(--shadow-light);
    overflow-x: auto;
}

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

table thead {
    background: var(--bg-color);
    color: var(--text-color);
    border-bottom: 2px solid #cbd5e1;
    font-weight: 700;
}

table th,
table td {
    padding: 15px;
    text-align: left;
}

table tbody tr {
    border-bottom: 1px solid #ddd;
    transition: all 0.3s ease;
}

table tbody tr:hover {
    background: rgba(108, 99, 255, 0.05);
}

/* Buttons */
.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-right: 5px;
}

.btn-success {
    background: linear-gradient(145deg, #5bc85b, #4CAF50);
    color: white;
    box-shadow: 4px 4px 8px var(--shadow-dark),
                -4px -4px 8px var(--shadow-light);
}

.btn-danger {
    background: linear-gradient(145deg, #ff5252, #f44336);
    color: white;
    box-shadow: 4px 4px 8px var(--shadow-dark),
                -4px -4px 8px var(--shadow-light);
}

.btn-warning {
    background: linear-gradient(145deg, #ffa726, #ff9800);
    color: white;
    box-shadow: 4px 4px 8px var(--shadow-dark),
                -4px -4px 8px var(--shadow-light);
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
    box-shadow: inset 2px 2px 4px rgba(0,0,0,0.2);
}

/* Status Badges */
.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
}

.badge-pending {
    background: #fff3cd;
    color: #856404;
}

.badge-approved {
    background: #d4edda;
    color: #155724;
}

.badge-rejected {
    background: #f8d7da;
    color: #721c24;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s;
}

.modal-content {
    background: var(--bg-color);
    margin: 5% auto;
    padding: 40px;
    width: 90%;
    max-width: 600px;
    border-radius: 20px;
    box-shadow: 9px 9px 16px var(--shadow-dark),
                -9px -9px 16px var(--shadow-light);
    animation: slideDown 0.3s;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: var(--text-color);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .login-box {
        margin: 50px 20px;
        padding: 30px 25px;
    }

    .dashboard-cards {
        grid-template-columns: 1fr;
    }

    .header-content {
        flex-direction: column;
        gap: 15px;
    }

    table {
        font-size: 14px;
    }

    table th,
    table td {
        padding: 10px;
    }
}