/* ===================================
   SkyRent UI Components
   Premium Button, Input, Card Styles
   ================================== */

/* ===================================
   1. BUTTONS
   ================================== */

/* Base Button */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

.btn:disabled,
.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Button Sizes */
.btn-xs {
    padding: var(--space-1) var(--space-2);
    font-size: var(--font-size-xs);
    border-radius: var(--radius-md);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: var(--space-4) var(--space-6);
    font-size: var(--font-size-base);
}

.btn-xl {
    padding: var(--space-5) var(--space-8);
    font-size: var(--font-size-lg);
}

/* Primary Button */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-600) 100%);
    color: var(--color-text-inverted);
    border-color: var(--color-primary-600);
    box-shadow: var(--shadow-sm), var(--shadow-primary);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-700) 100%);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md), var(--shadow-primary);
}

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

/* Secondary Button */
.btn-secondary {
    background: var(--color-secondary-800);
    color: var(--color-text-inverted);
    border-color: var(--color-secondary-800);
}

.btn-secondary:hover {
    background: var(--color-secondary-900);
    transform: translateY(-1px);
}

/* Outline Button */
.btn-outline {
    background: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-border);
}

.btn-outline:hover {
    background: var(--color-surface-secondary);
    border-color: var(--color-secondary-300);
}

/* Outline Primary */
.btn-outline-primary {
    background: transparent;
    color: var(--color-primary-600);
    border-color: var(--color-primary-200);
}

.btn-outline-primary:hover {
    background: var(--color-primary-50);
    border-color: var(--color-primary-300);
}

/* Ghost Button */
.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
    border-color: transparent;
}

.btn-ghost:hover {
    background: var(--color-surface-secondary);
    color: var(--color-text-primary);
}

/* Success Button */
.btn-success {
    background: linear-gradient(135deg, var(--color-success-500) 0%, var(--color-success-600) 100%);
    color: var(--color-text-inverted);
    border-color: var(--color-success-600);
    box-shadow: var(--shadow-sm), var(--shadow-success);
}

.btn-success:hover {
    background: linear-gradient(135deg, var(--color-success-600) 0%, var(--color-success-700) 100%);
}

/* Danger Button */
.btn-danger {
    background: linear-gradient(135deg, var(--color-error-500) 0%, var(--color-error-600) 100%);
    color: var(--color-text-inverted);
    border-color: var(--color-error-600);
    box-shadow: var(--shadow-sm), var(--shadow-error);
}

.btn-danger:hover {
    background: linear-gradient(135deg, var(--color-error-600) 0%, var(--color-error-700) 100%);
}

/* Pill Button */
.btn-pill {
    border-radius: var(--radius-full);
}

/* Icon Button */
.btn-icon {
    padding: var(--space-3);
    aspect-ratio: 1;
}

.btn-icon.btn-sm {
    padding: var(--space-2);
}

.btn-icon.btn-lg {
    padding: var(--space-4);
}

/* Button with Loading */
.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: btn-spin 0.6s linear infinite;
}

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

/* Button Group */
.btn-group {
    display: inline-flex;
}

.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.btn-group .btn:not(:last-child) {
    border-right-width: 0;
}

/* Full Width */
.btn-block {
    width: 100%;
}

/* ===================================
   2. FORM INPUTS
   ================================== */

/* Form Group */
.form-group {
    margin-bottom: var(--space-5);
}

.form-group:last-child {
    margin-bottom: 0;
}

/* Label */
.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.form-label-required::after {
    content: ' *';
    color: var(--color-error-500);
}

/* Input Base */
.form-input,
.input,
.form-select,
.select,
.form-textarea {
    display: block;
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-surface);
    background-clip: padding-box;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    appearance: none;
}

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

.form-input:hover,
.input:hover,
.form-select:hover,
.select:hover,
.form-textarea:hover {
    border-color: var(--color-secondary-300);
}

.form-input:focus,
.input:focus,
.form-select:focus,
.select:focus,
.form-textarea:focus {
    border-color: var(--color-primary-500);
    outline: none;
    box-shadow: 0 0 0 3px var(--color-primary-100);
}

/* Input Sizes */
.form-input-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
}

.form-input-lg {
    padding: var(--space-4) var(--space-5);
    font-size: var(--font-size-base);
}

/* Select */
.form-select,
.select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    background-size: 16px;
    padding-right: var(--space-10);
    cursor: pointer;
}

/* Textarea */
.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* Input with Icon */
.input-group {
    position: relative;
}

.input-group .form-input,
.input-group .input {
    padding-left: var(--space-10);
}

.input-group-icon {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    pointer-events: none;
}

.input-group-icon svg {
    width: 18px;
    height: 18px;
}

/* Input with Right Icon/Button */
.input-group-right .form-input,
.input-group-right .input {
    padding-left: var(--space-4);
    padding-right: var(--space-10);
}

.input-group-right .input-group-icon {
    left: auto;
    right: var(--space-4);
}

/* Validation States */
.form-input.is-valid,
.form-select.is-valid {
    border-color: var(--color-success-500);
}

.form-input.is-valid:focus,
.form-select.is-valid:focus {
    box-shadow: 0 0 0 3px var(--color-success-100);
}

.form-input.is-invalid,
.form-select.is-invalid {
    border-color: var(--color-error-500);
}

.form-input.is-invalid:focus,
.form-select.is-invalid:focus {
    box-shadow: 0 0 0 3px var(--color-error-100);
}

/* Validation Messages */
.form-hint {
    margin-top: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.form-error {
    margin-top: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-error-600);
}

.form-success {
    margin-top: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-success-600);
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    cursor: pointer;
}

.form-check-input {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    flex-shrink: 0;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-surface);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.form-check-input[type="radio"] {
    border-radius: 50%;
}

.form-check-input:checked {
    background-color: var(--color-primary-600);
    border-color: var(--color-primary-600);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
    background-size: 12px;
    background-position: center;
    background-repeat: no-repeat;
}

.form-check-input[type="radio"]:checked {
    background-image: none;
    box-shadow: inset 0 0 0 4px var(--color-surface);
}

.form-check-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
}

/* Switch Toggle */
.form-switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
}

.form-switch-input {
    width: 44px;
    height: 24px;
    background-color: var(--color-secondary-200);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    appearance: none;
    border: none;
}

.form-switch-input::after {
    content: '';
    position: absolute;
    left: 2px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background: var(--color-surface);
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast);
}

.form-switch-input:checked {
    background-color: var(--color-primary-600);
}

.form-switch-input:checked::after {
    transform: translateY(-50%) translateX(20px);
}

/* ===================================
   3. CARDS
   ================================== */

.card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card-hover:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-body {
    padding: var(--space-6);
}

.card-body-sm {
    padding: var(--space-4);
}

.card-body-lg {
    padding: var(--space-8);
}

.card-header {
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--color-border-light);
    background: var(--color-surface-secondary);
}

.card-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border-light);
    background: var(--color-surface-secondary);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.card-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.card-image {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
}

/* Elevated Card */
.card-elevated {
    border: none;
    box-shadow: var(--shadow-md);
}

/* Bordered Card */
.card-bordered {
    box-shadow: none;
    border: 1px solid var(--color-border);
}

/* ===================================
   4. BADGES & CHIPS
   ================================== */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    line-height: 1.4;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge-primary {
    background: var(--color-primary-100);
    color: var(--color-primary-700);
}

.badge-secondary {
    background: var(--color-secondary-100);
    color: var(--color-secondary-700);
}

.badge-success {
    background: var(--color-success-100);
    color: var(--color-success-700);
}

.badge-warning {
    background: var(--color-warning-100);
    color: var(--color-warning-700);
}

.badge-error {
    background: var(--color-error-100);
    color: var(--color-error-700);
}

.badge-info {
    background: var(--color-info-100);
    color: var(--color-info-600);
}

/* Solid Badges */
.badge-solid-primary {
    background: var(--color-primary-600);
    color: var(--color-text-inverted);
}

.badge-solid-success {
    background: var(--color-success-600);
    color: var(--color-text-inverted);
}

/* Badge Sizes */
.badge-lg {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
}

/* Chips (Removable Tags) */
.chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-2) var(--space-1) var(--space-3);
    font-size: var(--font-size-sm);
    background: var(--color-surface-tertiary);
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
}

.chip-remove {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    padding: 0;
    background: var(--color-secondary-200);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.chip-remove:hover {
    background: var(--color-secondary-300);
}

/* ===================================
   5. AVATARS
   ================================== */

.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-primary-100);
    color: var(--color-primary-700);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    overflow: hidden;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-xs { width: 24px; height: 24px; font-size: var(--font-size-xs); }
.avatar-sm { width: 32px; height: 32px; font-size: var(--font-size-xs); }
.avatar-lg { width: 48px; height: 48px; font-size: var(--font-size-base); }
.avatar-xl { width: 64px; height: 64px; font-size: var(--font-size-xl); }
.avatar-2xl { width: 96px; height: 96px; font-size: var(--font-size-3xl); }

.avatar-square {
    border-radius: var(--radius-lg);
}

/* Avatar Group */
.avatar-group {
    display: flex;
}

.avatar-group .avatar {
    border: 2px solid var(--color-surface);
    margin-left: -8px;
}

.avatar-group .avatar:first-child {
    margin-left: 0;
}

/* ===================================
   6. ALERTS
   ================================== */

.alert {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
}

.alert-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-1);
}

.alert-info {
    background: var(--color-info-50);
    color: var(--color-info-600);
    border: 1px solid var(--color-info-100);
}

.alert-success {
    background: var(--color-success-50);
    color: var(--color-success-700);
    border: 1px solid var(--color-success-100);
}

.alert-warning {
    background: var(--color-warning-50);
    color: var(--color-warning-700);
    border: 1px solid var(--color-warning-100);
}

.alert-error {
    background: var(--color-error-50);
    color: var(--color-error-700);
    border: 1px solid var(--color-error-100);
}

/* ===================================
   CAR CARD COMPONENT
   Reusable car card styles
   =================================== */

.car-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
}

.car-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
    border-color: var(--color-primary-200);
}

.car-card-image {
    position: relative;
    display: block;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--color-surface-alt);
}

/* Category/default thumbnails: show full image with a white frame */
.car-card-image.thumb-framed {
    background: #ffffff;
    padding: 12px;
}

.car-card-image.thumb-framed img {
    object-fit: contain;
    background: #ffffff;
    border-radius: var(--radius-lg);
}

.car-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

.car-card:hover .car-card-image img {
    transform: scale(1.05);
}

.car-badge {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.badge-featured {
    background: var(--color-warning-500);
    color: white;
}

.car-card-body {
    padding: var(--space-5);
}

.car-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-2);
    margin-bottom: var(--space-1);
}

.car-card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    transition: var(--transition-fast);
}

.car-card-title:hover {
    color: var(--color-primary-600);
}

.car-card-year {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    background: var(--color-surface-alt);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-md);
}

.car-card-category {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
}

/* Rating (stars + avg) */
.car-card-rating {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: calc(var(--space-4) * -1);
    margin-bottom: var(--space-4);
}

.car-card-stars {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    color: var(--color-accent-500);
}

.car-card-rating-text {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
}

.car-card-rating-count {
    font-weight: 500;
    color: var(--color-text-tertiary);
}

.car-card-specs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    padding: var(--space-4) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-4);
}

.spec-item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.spec-item svg {
    color: var(--color-text-tertiary);
}

.car-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

@media (max-width: 1199.98px) {
    .car-card-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .car-card-price {
        width: 100%;
        justify-content: center;
    }

    .car-card-footer .btn {
        width: 100%;
        justify-content: center;
    }
}

.car-card-price {
    display: flex;
    align-items: baseline;
    gap: var(--space-1);
}

.price-amount {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary-600);
}

.price-period {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}