/* JET Values - Styles inspired by jetfin.kz */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Oswald:wght@400;500;600;700&display=swap');

/* Base styles */
:root {
    --primary-color: #59CDFF;
    --primary-dark: #3DBEF5;
    --primary-light: #7DD9FF;
    --primary-glow: rgba(89, 205, 255, 0.3);
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1a1a2e;
    --text-secondary: #828282;
    --border-color: #e2e8f0;
    --border-accent: rgba(89, 205, 255, 0.4);
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(89, 205, 255, 0.25);
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Oswald', sans-serif;
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.logo {
    font-family: 'Oswald', sans-serif;
    font-size: 1.4rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: 0.05em;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 700;
    box-shadow: var(--shadow-glow);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

nav a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 500;
    position: relative;
}

nav a:hover {
    color: white;
    background: rgba(89, 205, 255, 0.15);
}

nav a.active {
    color: var(--primary-color);
    background: rgba(89, 205, 255, 0.15);
}

nav a.active::after {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 2px;
}

/* Main content */
main {
    padding: 50px 0;
    min-height: calc(100vh - 200px);
}

/* Page title */
.page-title {
    text-align: center;
    margin-bottom: 50px;
}

.page-title h1 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.page-title p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Values grid */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}

/* Value card */
.value-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    transform: scaleX(0);
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: var(--border-accent);
}

.value-card:hover::before {
    transform: scaleX(1);
}

.value-card .icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: white;
    box-shadow: 0 8px 16px rgba(89, 205, 255, 0.3);
}

.value-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.value-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 46, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--card-bg);
    border-radius: var(--radius);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 36px;
    transform: scale(0.9) translateY(20px);
    transition: var(--transition);
    border: 1px solid var(--border-accent);
    box-shadow: var(--shadow-lg);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
}

.modal-header h2 {
    font-size: 1.5rem;
    color: var(--primary-dark);
}

.modal-close {
    background: var(--bg-color);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--primary-color);
    color: white;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-family: 'Inter', sans-serif;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::after {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 12px rgba(89, 205, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(89, 205, 255, 0.4);
}

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

.btn-secondary:hover {
    background: #475569;
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #059669);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), #dc2626);
    color: white;
}

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

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

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

/* Forms */
.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
    background: white;
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: var(--border-accent);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

/* Checkbox / Radio */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.checkbox-group input {
    width: auto;
}

/* ===== CUSTOM SELECT STYLES ===== */
.custom-select {
    position: relative;
    width: 100%;
}

.custom-select__trigger {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    background: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    transition: var(--transition);
    text-align: left;
}

.custom-select__trigger:hover {
    border-color: var(--border-accent);
}

.custom-select.open .custom-select__trigger,
.custom-select__trigger:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

.custom-select__value {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-primary);
}

.custom-select__value.placeholder {
    color: var(--text-secondary);
}

.custom-select__arrow {
    color: var(--text-secondary);
    transition: var(--transition);
    display: flex;
}

.custom-select.open .custom-select__arrow {
    transform: rotate(180deg);
    color: var(--primary-color);
}

.custom-select__dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: white;
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    overflow: hidden;
}

.custom-select.open .custom-select__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.custom-select__search {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-color);
}

.custom-select__search-icon {
    color: var(--text-secondary);
    flex-shrink: 0;
}

.custom-select__search-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 0.95rem;
    font-family: inherit;
    outline: none;
    color: var(--text-primary);
}

.custom-select__search-input::placeholder {
    color: var(--text-secondary);
}

.custom-select__options {
    max-height: 240px;
    overflow-y: auto;
}

.custom-select__options::-webkit-scrollbar {
    width: 6px;
}

.custom-select__options::-webkit-scrollbar-track {
    background: var(--bg-color);
}

.custom-select__options::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.custom-select__options::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

.custom-select__option {
    padding: 12px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.custom-select__option:hover,
.custom-select__option.highlighted {
    background: var(--bg-color);
    border-left-color: var(--primary-color);
}

.custom-select__option.selected {
    background: rgba(89, 205, 255, 0.1);
    color: var(--primary-dark);
    font-weight: 500;
    border-left-color: var(--primary-color);
}

.custom-select__option.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.custom-select__option-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.custom-select__check {
    color: var(--primary-color);
    flex-shrink: 0;
}

.custom-select__no-results {
    padding: 20px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Filter bar with custom select */
.filter-bar {
    display: flex;
    gap: 16px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    align-items: flex-start;
}

.filter-bar .custom-select {
    min-width: 200px;
    flex: 0 1 auto;
}

.filter-bar select {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    background: white;
    cursor: pointer;
    transition: var(--transition);
}

.filter-bar select:hover {
    border-color: var(--border-accent);
}

.filter-bar select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

/* Examples list */
.examples-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.example-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

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

.example-card.positive {
    border-left-color: var(--success-color);
}

.example-card.negative {
    border-left-color: var(--danger-color);
}

.example-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
    gap: 16px;
}

.example-title {
    font-size: 1.1rem;
    font-weight: 600;
    font-family: 'Oswald', sans-serif;
}

.example-badge {
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.example-badge.positive {
    background: rgba(16, 185, 129, 0.15);
    color: #059669;
}

.example-badge.negative {
    background: rgba(239, 68, 68, 0.15);
    color: #dc2626;
}

.example-description {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.7;
}

.example-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.example-value {
    background: rgba(89, 205, 255, 0.15);
    color: var(--primary-dark);
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
}

.vote-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: white;
    border: 2px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 24px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.vote-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: scale(1.05);
}

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

/* Presentation */
.presentation-container {
    max-width: 800px;
    margin: 0 auto;
}

.slide {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 48px;
    box-shadow: var(--shadow-lg);
    display: none;
    min-height: 420px;
    border: 1px solid var(--border-color);
}

.slide.active {
    display: block;
    animation: slideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-title {
    font-size: 2rem;
    margin-bottom: 28px;
    color: var(--primary-dark);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.slide-content {
    font-size: 1.1rem;
    line-height: 1.9;
}

.slide-content ul {
    margin: 24px 0;
    padding-left: 0;
    list-style: none;
}

.slide-content li {
    margin-bottom: 14px;
    padding-left: 28px;
    position: relative;
}

.slide-content li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
}

.slide-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.slide-dots {
    display: flex;
    gap: 10px;
}

.slide-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.slide-dot:hover {
    background: var(--primary-light);
}

.slide-dot.active {
    background: var(--primary-color);
    box-shadow: 0 0 8px var(--primary-glow);
}

/* Quiz */
.quiz-option {
    display: block;
    padding: 18px 24px;
    margin-bottom: 14px;
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.quiz-option:hover {
    border-color: var(--primary-color);
    transform: translateX(4px);
}

.quiz-option.selected {
    border-color: var(--primary-color);
    background: rgba(89, 205, 255, 0.1);
}

.quiz-option.correct {
    border-color: var(--success-color);
    background: rgba(16, 185, 129, 0.1);
}

.quiz-option.incorrect {
    border-color: var(--danger-color);
    background: rgba(239, 68, 68, 0.1);
}

.quiz-result {
    text-align: center;
    padding: 24px;
    margin-top: 24px;
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.quiz-result.success {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.quiz-result.error {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Assessment form */
.assessment-form {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
    max-width: 700px;
    margin: 0 auto;
    border: 1px solid var(--border-color);
}

.rating-group {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.rating-btn {
    width: 52px;
    height: 52px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: white;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Oswald', sans-serif;
}

.rating-btn:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.rating-btn.selected {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(89, 205, 255, 0.4);
}

/* HR Panel */
.hr-login {
    max-width: 420px;
    margin: 80px auto;
    background: var(--card-bg);
    padding: 48px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    text-align: center;
    border: 1px solid var(--border-color);
}

.hr-login h2 {
    margin-bottom: 12px;
    font-size: 1.8rem;
    color: var(--primary-dark);
}

.hr-dashboard {
    display: none;
}

.hr-dashboard.active {
    display: block;
}

.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 32px;
    background: var(--bg-color);
    padding: 6px;
    border-radius: var(--radius-sm);
    width: fit-content;
}

.tab-btn {
    padding: 12px 28px;
    border: none;
    background: none;
    border-radius: var(--radius-xs);
    cursor: pointer;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.tab-btn:hover {
    color: var(--primary-color);
}

.tab-btn.active {
    background: white;
    color: var(--primary-dark);
    box-shadow: var(--shadow);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Data table */
.data-table {
    width: 100%;
    background: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

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

.data-table th,
.data-table td {
    padding: 16px 18px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--bg-color);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-family: 'Inter', sans-serif;
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover td {
    background: rgba(89, 205, 255, 0.05);
}

/* Score badge */
.score-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.95rem;
    font-family: 'Oswald', sans-serif;
}

.score-badge.score-1,
.score-badge.score-2 {
    background: rgba(239, 68, 68, 0.15);
    color: #dc2626;
}

.score-badge.score-3 {
    background: rgba(245, 158, 11, 0.15);
    color: #d97706;
}

.score-badge.score-4,
.score-badge.score-5 {
    background: rgba(16, 185, 129, 0.15);
    color: #059669;
}

/* Alert messages */
.alert {
    padding: 18px 24px;
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    font-weight: 500;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Footer */
footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    padding: 36px 0;
    text-align: center;
}

footer p {
    opacity: 0.6;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        text-align: center;
    }

    nav ul {
        justify-content: center;
    }

    .page-title h1 {
        font-size: 1.8rem;
    }

    .slide {
        padding: 28px;
    }

    .slide-title {
        font-size: 1.5rem;
    }

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

    .data-table table {
        min-width: 600px;
    }

    .assessment-form {
        padding: 28px;
    }

    .custom-select__dropdown {
        position: fixed;
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        max-height: 60vh;
        border-radius: var(--radius) var(--radius) 0 0;
        transform: translateY(100%);
    }

    .custom-select.open .custom-select__dropdown {
        transform: translateY(0);
    }
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.4;
}

/* Loading spinner */
.spinner {
    width: 44px;
    height: 44px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 50px auto;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Utility classes */
.text-center { text-align: center; }
.text-muted { color: var(--text-secondary); }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.hidden { display: none; }