/**
 * FIXISTORY DESIGN SYSTEM - COMPONENTS
 * 
 * Unified component library for the Fixistory platform.
 * Apple + Booksy inspired design system.
 * 
 * Version: 1.0.0
 * Created: 2026-02-02
 * 
 * Components:
 *   - Buttons (6 variants × 5 sizes)
 *   - Form inputs (text, textarea, select, checkbox, radio, file upload)
 *   - Cards (4 variants)
 *   - Alerts & Badges
 * 
 * Dependencies: tokens.css (design tokens must be loaded first)
 * Documentation: See docs/strategy/COMPLETE_DESIGN_SYSTEM_STRATEGY.md
 */

/* ================================================================
   BUTTONS
   ================================================================ */

/* ========== BASE BUTTON STYLES ========== */
.fixistory-btn {
    /* Layout */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    
    /* Typography */
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    
    /* Spacing */
    padding: 0 var(--spacing-6);
    height: 44px; /* Apple's recommended touch target */
    
    /* Visual */
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    background: transparent;
    cursor: pointer;
    
    /* Interaction */
    transition: all var(--transition-base);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

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

/* ========== BUTTON VARIANTS ========== */
.fixistory-btn-primary {
    background: linear-gradient(135deg, var(--color-primary-start) 0%, var(--color-primary-end) 100%);
    color: var(--color-text-inverse);
    border-color: transparent;
}

.fixistory-btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: var(--shadow-primary);
}

.fixistory-btn-primary:active {
    opacity: 1;
    transform: translateY(0);
}

.fixistory-btn-secondary {
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    border-color: var(--color-gray-300);
}

.fixistory-btn-secondary:hover {
    background: var(--color-bg-secondary);
    border-color: var(--color-gray-400);
}

.fixistory-btn-success {
    background: var(--color-success);
    color: var(--color-text-inverse);
}

.fixistory-btn-success:hover {
    background: var(--color-success-dark);
}

.fixistory-btn-danger {
    background: var(--color-danger);
    color: var(--color-text-inverse);
}

.fixistory-btn-danger:hover {
    background: var(--color-danger-dark);
}

.fixistory-btn-ghost {
    background: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-gray-300);
}

.fixistory-btn-ghost:hover {
    background: var(--color-bg-secondary);
    border-color: var(--color-gray-400);
}

.fixistory-btn-link {
    background: transparent;
    color: var(--color-primary);
    border: none;
    padding: 0;
    height: auto;
}

.fixistory-btn-link:hover {
    text-decoration: underline;
}

/* ========== BUTTON SIZES ========== */
.fixistory-btn-xs {
    height: 28px;
    padding: 0 var(--spacing-3);
    font-size: var(--font-size-xs);
}

.fixistory-btn-sm {
    height: 36px;
    padding: 0 var(--spacing-4);
    font-size: var(--font-size-sm);
}

.fixistory-btn-lg {
    height: 56px;
    padding: 0 var(--spacing-8);
    font-size: var(--font-size-lg);
}

.fixistory-btn-xl {
    height: 64px;
    padding: 0 var(--spacing-10);
    font-size: var(--font-size-xl);
}

/* ========== BUTTON MODIFIERS ========== */
.fixistory-btn-block {
    width: 100%;
}

.fixistory-btn-loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

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

.fixistory-btn-icon {
    width: 44px;
    padding: 0;
}

/* ========== LOADING SPINNER ========== */
.btn-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: var(--radius-full);
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ========== MOBILE OPTIMIZATIONS ========== */
@media (max-width: 768px) {
    .fixistory-btn {
        height: 48px; /* Larger touch targets on mobile */
        font-size: var(--font-size-base);
    }
    
    .fixistory-btn-lg {
        height: 60px; /* Mobile hero CTAs */
    }
}

/* ================================================================
   FORM INPUTS
   ================================================================ */

/* ========== FORM GROUP (Container) ========== */
.fixistory-form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-6);
}

/* ========== LABEL ========== */
.fixistory-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    line-height: 1.5;
}

.label-required {
    color: var(--color-danger);
}

/* ========== TEXT INPUT / TEXTAREA / SELECT ========== */
.fixistory-input,
.fixistory-textarea,
.fixistory-select {
    width: 100%;
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    padding: var(--spacing-3) var(--spacing-4);
    transition: all var(--transition-base);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.fixistory-input {
    height: 48px; /* Mobile-friendly touch target */
}

.fixistory-textarea {
    min-height: 120px;
    resize: vertical;
    line-height: 1.5;
}

.fixistory-select {
    height: 48px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%236b7280' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-4) center;
    padding-right: var(--spacing-10);
    cursor: pointer;
}

/* ========== INPUT STATES ========== */
.fixistory-input:focus,
.fixistory-textarea:focus,
.fixistory-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.fixistory-input::placeholder,
.fixistory-textarea::placeholder {
    color: var(--color-gray-400);
}

.fixistory-input:disabled,
.fixistory-textarea:disabled,
.fixistory-select:disabled {
    background: var(--color-gray-100);
    color: var(--color-gray-500);
    cursor: not-allowed;
}

/* Error state */
.fixistory-input-error,
.fixistory-textarea-error,
.fixistory-select-error {
    border-color: var(--color-danger);
}

.fixistory-input-error:focus,
.fixistory-textarea-error:focus,
.fixistory-select-error:focus {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Success state */
.fixistory-input-success,
.fixistory-textarea-success,
.fixistory-select-success {
    border-color: var(--color-success);
}

/* ========== HELP TEXT & ERROR TEXT ========== */
.fixistory-help-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.4;
}

.fixistory-error-text {
    display: none; /* Hidden by default */
    font-size: var(--font-size-sm);
    color: var(--color-danger);
    font-weight: var(--font-weight-medium);
    line-height: 1.4;
}

.fixistory-form-group.has-error .fixistory-error-text {
    display: block;
}

/* ========== CHECKBOX ========== */
.fixistory-checkbox {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-3);
    cursor: pointer;
    user-select: none;
}

.fixistory-checkbox-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.fixistory-checkbox-checkmark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    background: var(--color-bg-primary);
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.fixistory-checkbox-input:checked + .fixistory-checkbox-checkmark {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.fixistory-checkbox-input:checked + .fixistory-checkbox-checkmark::after {
    content: '';
    display: block;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.fixistory-checkbox-label {
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
}

/* ========== RADIO BUTTONS (Card style like register.php) ========== */
.fixistory-radio-group {
    display: grid;
    gap: var(--spacing-4);
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.fixistory-radio-card {
    position: relative;
    display: block;
    cursor: pointer;
    user-select: none;
}

.fixistory-radio-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.fixistory-radio-card-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-6);
    background: var(--color-bg-primary);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.fixistory-radio-card:hover .fixistory-radio-card-content {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.fixistory-radio-input:checked + .fixistory-radio-card-content {
    border-color: var(--color-primary);
    background: rgba(102, 126, 234, 0.05);
    box-shadow: var(--shadow-primary);
}

.radio-card-icon {
    font-size: var(--font-size-3xl);
    flex-shrink: 0;
}

.radio-card-text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

.radio-card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

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

/* ========== INPUT WITH ICON ========== */
.fixistory-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    width: 20px;
    height: 20px;
    color: var(--color-gray-400);
    pointer-events: none;
}

.input-icon-left {
    left: var(--spacing-4);
}

.input-icon-right {
    right: var(--spacing-4);
}

.fixistory-input-with-icon-left {
    padding-left: var(--spacing-12);
}

.fixistory-input-with-icon-right {
    padding-right: var(--spacing-12);
}

/* ========== INPUT GROUP (Input + Button) ========== */
.fixistory-input-group {
    display: flex;
    gap: var(--spacing-2);
}

.fixistory-input-group .fixistory-input {
    flex: 1;
}

/* ================================================================
   CARDS
   ================================================================ */

.fixistory-card {
    background: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.fixistory-card-clickable {
    cursor: pointer;
}

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

/* Card Header */
.fixistory-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--spacing-4);
    border-bottom: 1px solid var(--color-gray-200);
    margin-bottom: var(--spacing-4);
}

.fixistory-card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

/* Card Body */
.fixistory-card-body {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* Card Footer */
.fixistory-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--color-gray-200);
    margin-top: var(--spacing-4);
}

/* ================================================================
   ALERTS
   ================================================================ */

.fixistory-alert {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    padding: var(--spacing-4);
    border-radius: var(--radius-md);
    border-left: 4px solid;
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

.fixistory-alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--color-success);
    color: var(--color-success-dark);
}

.fixistory-alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--color-warning);
    color: var(--color-warning-dark);
}

.fixistory-alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--color-danger);
    color: var(--color-danger-dark);
}

.fixistory-alert-info {
    background: rgba(6, 182, 212, 0.1);
    border-color: var(--color-info);
    color: var(--color-info-dark);
}

/* ================================================================
   BADGES
   ================================================================ */

.fixistory-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.fixistory-badge-primary {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.fixistory-badge-success {
    background: var(--color-success);
    color: var(--color-text-inverse);
}

.fixistory-badge-warning {
    background: var(--color-warning);
    color: var(--color-text-inverse);
}

.fixistory-badge-danger {
    background: var(--color-danger);
    color: var(--color-text-inverse);
}

/* ================================================================
   FORM LAYOUT (Fieldsets & Sections)
   ================================================================ */

.fixistory-form {
    max-width: 600px;
    margin: 0 auto;
}

.fixistory-form-section {
    margin-bottom: var(--spacing-8);
}

.fixistory-form-section-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-4);
}

.fixistory-form-section-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-6);
}

/* ========== STICKY MOBILE CTA ========== */
.fixistory-sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-4);
    background: var(--color-bg-primary);
    border-top: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-sticky);
}

@media (min-width: 768px) {
    .fixistory-sticky-cta {
        display: none; /* Hide on desktop */
    }
}

/* ================================================================
   MODAL (UNIFIED PATTERN)
   ================================================================ */

/* Modal Container - Full screen overlay */
.fixistory-modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fixistoryModalFadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.fixistory-modal[style*="display: none"],
.fixistory-modal:not([style*="display"]) {
    display: none;
}

.fixistory-modal.active {
    display: flex;
}

/* Modal Backdrop - Semi-transparent overlay */
.fixistory-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    cursor: pointer;
}

/* Modal Content - Main modal container */
.fixistory-modal-content {
    position: relative;
    background: var(--color-bg-primary);
    border-radius: var(--radius-2xl);
    max-width: 600px;
    width: 90%;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
    animation: fixistoryModalSlideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

/* Large modal variant */
.fixistory-modal-lg .fixistory-modal-content {
    max-width: 900px;
}

/* Small modal variant */
.fixistory-modal-sm .fixistory-modal-content {
    max-width: 400px;
}

/* Modal Header */
.fixistory-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--color-gray-200);
    flex-shrink: 0;
}

.fixistory-modal-header h2,
.fixistory-modal-header h3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin: 0;
}

/* Modal Close Button */
.fixistory-modal-close {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--color-gray-100);
    border: none;
    cursor: pointer;
    font-size: var(--font-size-2xl);
    line-height: 1;
    color: var(--color-text-secondary);
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.fixistory-modal-close:hover {
    background: var(--color-gray-200);
    color: var(--color-text-primary);
    transform: rotate(90deg);
}

/* Modal Body */
.fixistory-modal-body {
    padding: var(--spacing-6);
    overflow-y: auto;
    flex: 1;
}

/* Modal Footer */
.fixistory-modal-footer {
    padding: var(--spacing-6);
    border-top: 1px solid var(--color-gray-200);
    display: flex;
    gap: var(--spacing-3);
    justify-content: flex-end;
    flex-shrink: 0;
}

/* Modal Animations */
@keyframes fixistoryModalFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fixistoryModalSlideUp {
    from {
        opacity: 0;
        transform: translateY(-40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Prevent body scroll when modal is open */
body.fixistory-modal-open {
    overflow: hidden;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .fixistory-modal-content {
        max-width: 95%;
        max-height: 95vh;
    }
    
    .fixistory-modal-header,
    .fixistory-modal-body,
    .fixistory-modal-footer {
        padding: var(--spacing-4);
    }
}

/* ================================================================
   TABLE (UNIFIED PATTERN)
   ================================================================ */

.fixistory-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.fixistory-table thead {
    background: var(--color-gray-50);
}

.fixistory-table th {
    padding: var(--spacing-4);
    text-align: left;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--color-gray-200);
}

.fixistory-table td {
    padding: var(--spacing-4);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    border-bottom: 1px solid var(--color-gray-100);
}

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

.fixistory-table tbody tr:hover {
    background: var(--color-gray-50);
}

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

/* Table variants */
.fixistory-table-striped tbody tr:nth-child(even) {
    background: var(--color-gray-50);
}

.fixistory-table-compact th,
.fixistory-table-compact td {
    padding: var(--spacing-2) var(--spacing-3);
}

/* Mobile responsive */
@media (max-width: 768px) {
    .fixistory-table {
        font-size: var(--font-size-sm);
    }
    
    .fixistory-table th,
    .fixistory-table td {
        padding: var(--spacing-3);
    }
}

/* ================================================================
   TOOLTIP (UNIFIED PATTERN)
   ================================================================ */

.fixistory-tooltip {
    position: relative;
    display: inline-block;
}

.fixistory-tooltip-text {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-gray-900);
    color: var(--color-text-inverse);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    z-index: var(--z-tooltip);
    transition: var(--transition-base);
    pointer-events: none;
}

.fixistory-tooltip-text::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--color-gray-900) transparent transparent transparent;
}

.fixistory-tooltip:hover .fixistory-tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* Tooltip position variants */
.fixistory-tooltip-top .fixistory-tooltip-text {
    bottom: 125%;
    top: auto;
}

.fixistory-tooltip-bottom .fixistory-tooltip-text {
    top: 125%;
    bottom: auto;
}

.fixistory-tooltip-bottom .fixistory-tooltip-text::after {
    top: auto;
    bottom: 100%;
    border-color: transparent transparent var(--color-gray-900) transparent;
}

/* ================================================================
   DROPDOWN (UNIFIED PATTERN)
   ================================================================ */

.fixistory-dropdown {
    position: relative;
    display: inline-block;
}

.fixistory-dropdown-toggle {
    /* Uses existing button styles */
}

.fixistory-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: var(--spacing-2);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    z-index: var(--z-dropdown);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-base);
}

.fixistory-dropdown.active .fixistory-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.fixistory-dropdown-item {
    display: block;
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--color-text-primary);
    text-decoration: none;
    transition: var(--transition-base);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    font-size: var(--font-size-base);
}

.fixistory-dropdown-item:hover {
    background: var(--color-gray-50);
    color: var(--color-primary);
}

.fixistory-dropdown-item:first-child {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.fixistory-dropdown-item:last-child {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.fixistory-dropdown-divider {
    height: 1px;
    background: var(--color-gray-200);
    margin: var(--spacing-2) 0;
}

/* Dropdown position variants */
.fixistory-dropdown-right .fixistory-dropdown-menu {
    left: auto;
    right: 0;
}

.fixistory-dropdown-up .fixistory-dropdown-menu {
    top: auto;
    bottom: 100%;
    margin-top: 0;
    margin-bottom: var(--spacing-2);
}