/* styles.css - Professional Questionnaire System Stylesheet */

:root {
    --primary-color: #0078d4;
    --primary-dark: #106ebe;
    --primary-light: #40e0ff;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --border-color: #dee2e6;
    --text-muted: #6c757d;
    --background-color: #ffffff;
    --shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-hover: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --border-radius: 0.375rem;
    --border-radius-lg: 0.5rem;
    --transition: all 0.2s ease-in-out;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.5;
    color: var(--dark-color);
    background-color: var(--light-color);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.container-fluid {
    width: 100%;
    padding: 0 1rem;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: -0.5rem;
}

.col, .col-12, .col-6, .col-4, .col-3 {
    padding: 0.5rem;
    flex-grow: 1;
}

.col-12 { flex: 0 0 100%; max-width: 100%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }

/* Header */
.header {
    background: var(--background-color);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    box-shadow: var(--shadow);
}

.header h1 {
    color: var(--primary-color);
    margin: 0;
}

.nav {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.nav a {
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav a:hover, .nav a.active {
    color: var(--primary-color);
    background-color: var(--light-color);
}

/* Cards */
.card {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-hover);
}

.card-header {
    background: var(--light-color);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    background: var(--light-color);
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

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

.form-label.required::after {
    content: " *";
    color: var(--danger-color);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    line-height: 1.5;
    transition: var(--transition);
    background-color: var(--background-color);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 120, 212, 0.25);
}

.form-control.is-invalid {
    border-color: var(--danger-color);
}

.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m1 6 7 7 7-7'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
    padding-right: 2.5rem;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    line-height: 1.5;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
}

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

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

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

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

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

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

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Progress Bar */
.progress {
    height: 1rem;
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-bar {
    height: 100%;
    background-color: var(--primary-color);
    transition: width 0.6s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Question Types */
.question-container {
    margin-bottom: 2rem;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    background: var(--background-color);
}

.question-title {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.question-options {
    margin-top: 1rem;
}

.option-item {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.option-item:hover {
    background-color: var(--light-color);
}

.option-item input {
    margin-right: 0.75rem;
}

.option-item label {
    cursor: pointer;
    flex-grow: 1;
    margin: 0;
}

/* Rating Scale */
.rating-scale {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 1rem 0;
    gap: 0.5rem;
}

.rating-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.rating-option input {
    margin-bottom: 0.25rem;
}

.rating-option label {
    font-size: 0.875rem;
    text-align: center;
    cursor: pointer;
}

.rating-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

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

.table th,
.table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}

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

.table-striped tbody tr:nth-child(odd) {
    background-color: rgba(0, 0, 0, 0.025);
}

.table-hover tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.075);
}

/* Alerts */
.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
}

.alert-success {
    color: #0f5132;
    background-color: #d1e7dd;
    border-color: #badbcc;
}

.alert-danger {
    color: #842029;
    background-color: #f8d7da;
    border-color: #f5c2c7;
}

.alert-warning {
    color: #664d03;
    background-color: #fff3cd;
    border-color: #ffecb5;
}

.alert-info {
    color: #055160;
    background-color: #cff4fc;
    border-color: #b6effb;
}

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

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--background-color);
    border-radius: var(--border-radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.text-success { color: var(--success-color); }
.text-danger { color: var(--danger-color); }
.text-muted { color: var(--text-muted); }

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

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }

.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.align-items-center { align-items: center; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 0.5rem;
    }
    
    .col-6, .col-4, .col-3 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .nav {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .rating-scale {
        flex-direction: column;
        gap: 1rem;
    }
    
    .rating-option {
        flex-direction: row;
        width: 100%;
        justify-content: space-between;
    }
    
    .table {
        font-size: 0.875rem;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .modal-content {
        margin: 1rem;
        width: calc(100% - 2rem);
    }
}

@media (max-width: 480px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    
    .card-body,
    .card-header,
    .card-footer {
        padding: 1rem;
    }
    
    .question-container {
        padding: 1rem;
    }
}

/* Admin Panel Styles */
.admin-container {
    display: flex;
    min-height: 100vh;
}

.admin-nav {
    width: 250px;
    background: var(--dark-color);
    color: white;
    padding: 1.5rem 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.admin-nav h2 {
    color: white;
    padding: 0 1.5rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 1rem;
}

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

.admin-nav li {
    margin: 0;
}

.admin-nav a {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.admin-nav a:hover,
.admin-nav a.active {
    color: white;
    background-color: rgba(255, 255, 255, 0.1);
    border-left-color: var(--primary-color);
}

.admin-main {
    flex: 1;
    margin-left: 250px;
    padding: 2rem;
    background: var(--light-color);
    min-height: 100vh;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.admin-header h1 {
    margin: 0;
    color: var(--dark-color);
}

.admin-card {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
}

.admin-card h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.admin-form {
    max-width: 600px;
}

.form-row {
    display: flex;
    gap: 1rem;
    align-items: end;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

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

.admin-table th,
.admin-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.admin-table th {
    background-color: var(--light-color);
    font-weight: 600;
    color: var(--dark-color);
}

.admin-table tbody tr:hover {
    background-color: rgba(0, 120, 212, 0.05);
}

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

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow);
}

.stat-card h3 {
    font-size: 2rem;
    margin: 0 0 0.5rem 0;
    color: var(--primary-color);
}

.stat-card p {
    margin: 0;
    color: var(--text-muted);
    font-weight: 500;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    margin-left: 0.5rem;
}

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

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

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

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

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

.section-item {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 0.5rem;
}

.section-item h4 {
    margin: 0 0 0.5rem 0;
}

.section-item p {
    margin: 0;
}

.questions-list {
    margin: 1rem 0;
}

.question-item {
    padding: 0.75rem;
    background: var(--light-color);
    border-radius: var(--border-radius);
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    margin: 0;
}

.checkbox-label input {
    margin-right: 0.5rem;
}

@media (max-width: 768px) {
    .admin-container {
        flex-direction: column;
    }
    
    .admin-nav {
        width: 100%;
        height: auto;
        position: relative;
    }
    
    .admin-main {
        margin-left: 0;
        padding: 1rem;
    }
    
    .admin-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .form-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}