/* Global Reset and Variables */
:root {
    --primary: #4361ee;
    --primary-hover: #3a56d4;
    --secondary: #3f37c9;
    --success: #4cc9f0;
    --danger: #f72585;
    --warning: #f8961e;
    --dark: #2b2d42;
    --light: #f8f9fa;
    --gray: #6c757d;
    --bg-color: #f0f4f8;
    --card-bg: rgba(255, 255, 255, 0.95);
    --text-main: #2b2d42;
    --text-muted: #8d99ae;
    --sidebar-width: 260px;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: var(--primary);
    transition: var(--transition);
}

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

/* Utilities */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
    line-height: 1.5;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-success {
    background: #10b981;
    color: #fff;
}
.btn-success:hover { background: #059669; }

.btn-danger {
    background: var(--danger);
    color: #fff;
}
.btn-danger:hover { background: #d90429; }

.btn-warning {
    background: var(--warning);
    color: #fff;
}
.btn-warning:hover { background: #f3722c; }

.btn-secondary {
    background: var(--gray);
    color: #fff;
}
.btn-secondary:hover { background: #5a6268; }

.btn-outline-primary {
    color: var(--primary);
    border: 1px solid var(--primary);
    background: transparent;
}
.btn-outline-primary:hover {
    background: var(--primary);
    color: #fff;
}

.btn-outline-warning {
    color: var(--warning);
    border: 1px solid var(--warning);
    background: transparent;
}
.btn-outline-warning:hover {
    background: var(--warning);
    color: #fff;
}

.btn-outline-success {
    color: var(--success);
    border: 1px solid var(--success);
    background: transparent;
}
.btn-outline-success:hover {
    background: var(--success);
    color: #fff;
}

.btn-sm {
    padding: 0.35rem 0.6rem;
    font-size: 0.8rem;
    min-height: 32px;
    min-width: 32px;
}

/* Forms */
.form-group {
    margin-bottom: 1.2rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-main);
}

.form-control {
    width: 100%;
    padding: 0.6rem 1rem;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    font-size: 0.95rem;
    transition: var(--transition);
    background: #fff;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.15);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%236c757d%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem top 50%;
    background-size: 0.65rem auto;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

.table th, .table td {
    padding: 1rem;
    vertical-align: top;
    border-bottom: 1px solid #e9ecef;
    text-align: left;
}

.table th {
    background-color: rgba(67, 97, 238, 0.05);
    font-weight: 600;
    color: var(--text-main);
    white-space: nowrap;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background-color: rgba(67, 97, 238, 0.02);
}

.badge {
    display: inline-block;
    padding: 0.25em 0.6em;
    font-size: 75%;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 0.375rem;
}
.badge-success { background-color: #d1fae5; color: #065f46; }
.badge-warning { background-color: #fef3c7; color: #92400e; }
.badge-danger { background-color: #fee2e2; color: #991b1b; }
.badge-primary { background-color: #dbeafe; color: #1e40af; }
.badge-secondary { background-color: #f3f4f6; color: #374151; }

.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 6px;
}
.alert-success { background-color: #d1fae5; border-color: #a7f3d0; color: #065f46; }
.alert-danger { background-color: #fee2e2; border-color: #fecaca; color: #991b1b; }

.info-box {
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid #bae6fd;
    border-radius: 6px;
    background-color: #e0f2fe;
    color: #0369a1;
}
.info-box.danger-box {
    border-color: #fecaca;
    background-color: #fee2e2;
    color: #991b1b;
}