/* ===== VARIABLES ===== */
:root {
    --primary-color: #4361ee;
    --primary-dark: #3a56d4;
    --primary-light: #6c8cff;
    --secondary-color: #f72585;
    --success-color: #2b9348;
    --warning-color: #f8961e;
    --danger-color: #ef233c;
    --info-color: #43aa8b;
    --dark-color: #1e2b5c;
    --light-color: #f8f9fa;
    --gray-color: #6c757d;
    --border-color: #e9ecef;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    --shadow-hover: 0 20px 40px rgba(0,0,0,0.12);
    --border-radius-sm: 5px;
    --border-radius-md: 10px;
    --border-radius-lg: 20px;
    --font-family: 'Poppins', sans-serif;
    --transition: all 0.3s ease;
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== CONTAINER ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--dark-color);
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-subtitle {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 500;
    font-size: 1.1rem;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.section-header p {
    color: var(--gray-color);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 10px 25px;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-sm {
    padding: 5px 15px;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 15px 35px;
    font-size: 1.1rem;
}

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

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

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

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

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

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

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

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

.btn-outline {
    background-color: transparent;
    border: 2px solid white;
    color: white;
}

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

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

.btn-light:hover {
    background-color: var(--light-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-light {
    background-color: transparent;
    border: 2px solid white;
    color: white;
}

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

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

.btn-admin:hover {
    background-color: #152347;
}

/* ===== ALERTS ===== */
.alert {
    padding: 15px 20px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 20px;
    position: relative;
    animation: slideInDown 0.5s ease;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

.alert-dismissible {
    padding-right: 40px;
}

.btn-close {
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: inherit;
}

/* ===== BADGES ===== */
.badge {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

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

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

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

.badge-warning {
    background-color: var(--warning-color);
    color: white;
}

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

/* ===== FORMS ===== */
.form-group {
    margin-bottom: 20px;
}

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

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.form-control:read-only,
.form-control[readonly] {
    background-color: #e9ecef;
    cursor: not-allowed;
}

.input-group {
    display: flex;
    align-items: center;
}

.input-group-text {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 15px;
    background-color: #e9ecef;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm);
}

.input-group .form-control {
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    border-left: none;
}

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

.table thead th {
    background-color: #f8f9fa;
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: var(--dark-color);
    border-bottom: 2px solid var(--border-color);
}

.table tbody td {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
}

.table-hover tbody tr:hover {
    background-color: #f8f9fa;
    transition: var(--transition);
}

.table-responsive {
    overflow-x: auto;
}

/* ===== PROGRESS BAR ===== */
.progress {
    display: flex;
    height: 10px;
    overflow: hidden;
    background-color: #e9ecef;
    border-radius: 50px;
    margin: 10px 0;
}

.progress-bar {
    display: flex;
    flex-direction: column;
    justify-content: center