/**
 * FORMS COMPONENT CSS
 * 
 * Form inputs, validation, and form layouts
 * Depends on: booking-base.css
 * 
 * Version: 1.0
 * Last Updated: 2025-01-06
 */

/* ==========================================================================
   FORM CONTAINERS
   ========================================================================== */

.booking-form {
    display: flex;
    flex-direction: column;
    gap: var(--booking-space-lg);
}

.booking-form-section {
    padding: var(--booking-space-xl);
    background: var(--booking-white);
    border: 1px solid var(--booking-border);
    border-radius: var(--booking-radius-xl);
    margin-bottom: var(--booking-space-xl);
}

.form-section-title {
    font-size: var(--booking-text-xl);
    font-weight: var(--booking-font-semibold);
    color: var(--booking-text-primary);
    margin-bottom: var(--booking-space-lg);
    display: flex;
    align-items: center;
    gap: var(--booking-space-sm);
}

.form-section-title i {
    color: var(--booking-primary);
}

/* ==========================================================================
   FORM GROUPS
   ========================================================================== */

.booking-form-group {
    margin-bottom: var(--booking-space-lg);
}

.booking-form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--booking-space-lg);
    margin-bottom: var(--booking-space-lg);
}

.booking-form-col {
    display: flex;
    flex-direction: column;
}

/* ==========================================================================
   LABELS
   ========================================================================== */

.booking-label {
    display: block;
    font-size: var(--booking-text-sm);
    font-weight: var(--booking-font-semibold);
    color: var(--booking-text-secondary);
    margin-bottom: var(--booking-space-sm);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

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

.booking-label-optional {
    font-weight: var(--booking-font-normal);
    color: var(--booking-text-muted);
    text-transform: none;
    letter-spacing: normal;
    font-size: var(--booking-text-xs);
    margin-left: var(--booking-space-xs);
}

/* ==========================================================================
   INPUT FIELDS
   ========================================================================== */

.booking-input,
.booking-select,
.booking-textarea {
    width: 100%;
    padding: var(--booking-space-md) var(--booking-space-lg);
    border: 2px solid var(--booking-border);
    border-radius: var(--booking-radius-lg);
    font-size: var(--booking-text-base);
    font-family: inherit;
    background: var(--booking-white);
    color: var(--booking-text-primary);
    transition: all var(--booking-transition-base);
}

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

.booking-input:focus,
.booking-select:focus,
.booking-textarea:focus {
    border-color: var(--booking-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    outline: none;
}

[data-theme="dark"] .booking-input:focus,
[data-theme="dark"] .booking-select:focus,
[data-theme="dark"] .booking-textarea:focus {
    border-color: var(--accent-color, #d4af37) !important; /* Gold accent like property detail */
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1) !important;
}

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

.input-with-icon .booking-input {
    padding-left: calc(var(--booking-space-lg) * 2.5);
}

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

/* Textarea specific */
.booking-textarea {
    min-height: 120px;
    resize: vertical;
    line-height: 1.5;
}

/* Select specific */
.booking-select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' 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(--booking-space-lg) center;
    background-size: 20px;
    padding-right: calc(var(--booking-space-lg) * 2.5);
}

/* Disabled state */
.booking-input:disabled,
.booking-select:disabled,
.booking-textarea:disabled {
    background: var(--booking-surface);
    color: var(--booking-text-muted);
    cursor: not-allowed;
    opacity: 0.7;
}

/* ==========================================================================
   CHECKBOXES AND RADIOS
   ========================================================================== */

.booking-checkbox,
.booking-radio {
    display: flex;
    align-items: center;
    gap: var(--booking-space-sm);
    margin-bottom: var(--booking-space-md);
    cursor: pointer;
}

.booking-checkbox input[type="checkbox"],
.booking-radio input[type="radio"] {
    width: 20px;
    height: 20px;
    margin: 0;
    flex-shrink: 0;
    accent-color: var(--booking-primary);
    cursor: pointer;
}

.booking-checkbox label,
.booking-radio label {
    font-size: var(--booking-text-base);
    color: var(--booking-text-primary);
    cursor: pointer;
    margin: 0;
}

/* Checkbox/Radio group */
.checkbox-group,
.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--booking-space-sm);
    margin-top: var(--booking-space-sm);
}

/* Inline variant */
.checkbox-group-inline,
.radio-group-inline {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--booking-space-lg);
}

/* ==========================================================================
   VALIDATION STATES
   ========================================================================== */

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

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

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

.booking-input-success:focus,
.booking-select-success:focus,
.booking-textarea-success:focus {
    border-color: var(--booking-success);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* Error messages */
.booking-error-message {
    display: flex;
    align-items: center;
    gap: var(--booking-space-sm);
    margin-top: var(--booking-space-sm);
    padding: var(--booking-space-sm) var(--booking-space-md);
    background: var(--booking-error-bg);
    color: var(--booking-error);
    border-radius: var(--booking-radius-md);
    font-size: var(--booking-text-sm);
    animation: fadeInUp 0.3s ease-out;
}

.booking-error-message i {
    flex-shrink: 0;
}

/* Success messages */
.booking-success-message {
    display: flex;
    align-items: center;
    gap: var(--booking-space-sm);
    margin-top: var(--booking-space-sm);
    padding: var(--booking-space-sm) var(--booking-space-md);
    background: var(--booking-success-bg);
    color: var(--booking-success);
    border-radius: var(--booking-radius-md);
    font-size: var(--booking-text-sm);
}

/* Help text */
.booking-help-text {
    margin-top: var(--booking-space-sm);
    font-size: var(--booking-text-sm);
    color: var(--booking-text-muted);
}

/* ==========================================================================
   SPECIAL INPUTS
   ========================================================================== */

/* Phone input */
.phone-input-group {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: var(--booking-space-md);
}

.country-code-select {
    padding-left: var(--booking-space-md);
}

/* Credit card input */
.card-input-group {
    position: relative;
}

.card-input-group .booking-input {
    padding-right: calc(var(--booking-space-lg) * 3);
}

.card-icons {
    position: absolute;
    right: var(--booking-space-lg);
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    gap: var(--booking-space-xs);
}

.card-icons img {
    height: 24px;
    width: auto;
    opacity: 0.3;
    transition: opacity var(--booking-transition-base);
}

.card-icons img.active {
    opacity: 1;
}

/* Security code input */
.cvv-input-wrapper {
    position: relative;
}

.cvv-help-icon {
    position: absolute;
    right: var(--booking-space-lg);
    top: 50%;
    transform: translateY(-50%);
    color: var(--booking-text-muted);
    cursor: help;
}

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

.form-button-group {
    display: flex;
    gap: var(--booking-space-md);
    margin-top: var(--booking-space-xl);
    padding-top: var(--booking-space-xl);
    border-top: 1px solid var(--booking-border);
}

.form-button-group-end {
    justify-content: flex-end;
}

.form-button-group-between {
    justify-content: space-between;
}

.form-button-group-center {
    justify-content: center;
}

/* ==========================================================================
   FORM PROGRESS
   ========================================================================== */

.form-progress {
    margin-bottom: var(--booking-space-xl);
}

.form-progress-bar {
    height: 4px;
    background: var(--booking-gray-200);
    border-radius: var(--booking-radius-full);
    overflow: hidden;
}

.form-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--booking-primary), var(--booking-primary-hover));
    border-radius: var(--booking-radius-full);
    transition: width var(--booking-transition-slow);
}

/* ==========================================================================
   INLINE FORMS
   ========================================================================== */

.booking-form-inline {
    display: flex;
    align-items: flex-end;
    gap: var(--booking-space-md);
}

.booking-form-inline .booking-form-group {
    flex: 1;
    margin-bottom: 0;
}

.booking-form-inline .booking-btn {
    flex-shrink: 0;
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

/* Tablet (768px and below) */
@media (max-width: 768px) {
    .booking-form-section {
        padding: var(--booking-space-lg);
    }
    
    .booking-form-row {
        grid-template-columns: 1fr;
    }
    
    .phone-input-group {
        grid-template-columns: 100px 1fr;
    }
}

/* Mobile (480px and below) */
@media (max-width: 480px) {
    .booking-form-section {
        padding: var(--booking-space-md);
        margin-left: calc(-1 * var(--booking-space-md));
        margin-right: calc(-1 * var(--booking-space-md));
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
    
    .booking-input,
    .booking-select,
    .booking-textarea {
        padding: var(--booking-space-md);
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    .form-button-group {
        flex-direction: column;
    }
    
    .form-button-group button {
        width: 100%;
    }
    
    .booking-form-inline {
        flex-direction: column;
        align-items: stretch;
    }
    
    .checkbox-group-inline,
    .radio-group-inline {
        flex-direction: column;
    }
}

/* ==========================================================================
   DARK MODE
   ========================================================================== */

[data-theme="dark"] .booking-form-section {
    background: var(--booking-surface);
    border-color: var(--booking-border);
}

[data-theme="dark"] .booking-input,
[data-theme="dark"] .booking-select,
[data-theme="dark"] .booking-textarea {
    background: var(--booking-background);
    border-color: var(--booking-border);
    color: var(--booking-text-primary);
}

[data-theme="dark"] .booking-input:focus,
[data-theme="dark"] .booking-select:focus,
[data-theme="dark"] .booking-textarea:focus {
    border-color: var(--accent-color, #d4af37) !important; /* Gold accent like property detail */
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1) !important;
}

[data-theme="dark"] .booking-input:disabled,
[data-theme="dark"] .booking-select:disabled,
[data-theme="dark"] .booking-textarea:disabled {
    background: var(--booking-surface);
}

/* ==========================================================================
   PRINT STYLES
   ========================================================================== */

@media print {
    .booking-form-section {
        box-shadow: none;
        border: 1px solid #000;
        page-break-inside: avoid;
    }

    .booking-input,
    .booking-select,
    .booking-textarea {
        border: 1px solid #000;
    }
}

/* ==========================================================================
   MODERN ENHANCEMENTS - PHASE 2
   Added: 2025-11-01
   ========================================================================== */

/* FLOATING LABEL PATTERN
   Modern input fields with floating labels
   Usage:
   <div class="form-field-floating">
       <input type="text" class="booking-input" id="name" placeholder=" " required>
       <label for="name" class="floating-label">Full Name</label>
   </div>
*/

.form-field-floating {
    position: relative;
    margin-bottom: var(--booking-space-lg);
}

.form-field-floating .booking-input,
.form-field-floating .booking-select,
.form-field-floating .booking-textarea {
    /* Ensure label doesn't overlap */
    padding-top: calc(var(--booking-space-md) + 8px);
    padding-bottom: var(--booking-space-sm);
}

.floating-label {
    position: absolute;
    left: var(--booking-space-lg);
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--booking-text-base);
    color: var(--booking-text-muted);
    background: var(--booking-white);
    padding: 0 var(--booking-space-xs);
    transition: all var(--booking-transition-base);
    pointer-events: none;
    font-weight: var(--booking-font-normal);
    text-transform: none;
    letter-spacing: normal;
}

/* Float label when input has focus or value */
.form-field-floating .booking-input:focus ~ .floating-label,
.form-field-floating .booking-input:not(:placeholder-shown) ~ .floating-label,
.form-field-floating .booking-select:focus ~ .floating-label,
.form-field-floating .booking-select:not(:placeholder-shown) ~ .floating-label,
.form-field-floating .booking-textarea:focus ~ .floating-label,
.form-field-floating .booking-textarea:not(:placeholder-shown) ~ .floating-label {
    top: 0;
    transform: translateY(-50%);
    font-size: var(--booking-text-xs);
    color: var(--booking-primary);
    font-weight: var(--booking-font-semibold);
}

/* Textarea floating label adjustment */
.form-field-floating .booking-textarea ~ .floating-label {
    top: calc(var(--booking-space-lg) + 8px);
    transform: translateY(0);
}

.form-field-floating .booking-textarea:focus ~ .floating-label,
.form-field-floating .booking-textarea:not(:placeholder-shown) ~ .floating-label {
    top: 0;
    transform: translateY(-50%);
}

/* Dark mode floating labels */
[data-theme="dark"] .floating-label {
    background: var(--booking-surface);
}

[data-theme="dark"] .form-field-floating .booking-input:focus ~ .floating-label,
[data-theme="dark"] .form-field-floating .booking-input:not(:placeholder-shown) ~ .floating-label,
[data-theme="dark"] .form-field-floating .booking-select:focus ~ .floating-label,
[data-theme="dark"] .form-field-floating .booking-select:not(:placeholder-shown) ~ .floating-label,
[data-theme="dark"] .form-field-floating .booking-textarea:focus ~ .floating-label,
[data-theme="dark"] .form-field-floating .booking-textarea:not(:placeholder-shown) ~ .floating-label {
    background: var(--booking-surface);
}

/* ==========================================================================
   ENHANCED VALIDATION STATES
   ========================================================================== */

/* Animated error messages with slide-in effect */
@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.booking-error-message {
    animation: slideInDown 0.3s ease-out;
}

/* Enhanced error state with shake animation */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.booking-input-error,
.booking-select-error,
.booking-textarea-error {
    animation: shake 0.4s ease-out;
}

/* Validation icon support */
.form-field-with-validation {
    position: relative;
}

.validation-icon {
    position: absolute;
    right: var(--booking-space-lg);
    top: 50%;
    transform: translateY(-50%);
    font-size: var(--booking-text-lg);
    transition: all var(--booking-transition-base);
}

.validation-icon--error {
    color: var(--booking-error);
}

.validation-icon--success {
    color: var(--booking-success);
}

.form-field-with-validation .booking-input {
    padding-right: calc(var(--booking-space-lg) * 2.5);
}

/* Enhanced success state with checkmark animation */
@keyframes checkmark {
    0% {
        opacity: 0;
        transform: translateY(-50%) scale(0.5);
    }
    50% {
        transform: translateY(-50%) scale(1.2);
    }
    100% {
        opacity: 1;
        transform: translateY(-50%) scale(1);
    }
}

.validation-icon--success {
    animation: checkmark 0.4s ease-out;
}

/* ==========================================================================
   MODERN FOCUS STATES
   ========================================================================== */

/* Enhanced focus with smooth transitions and glow effect */
.booking-input:focus,
.booking-select:focus,
.booking-textarea:focus {
    border-color: var(--booking-primary);
    box-shadow:
        0 0 0 3px rgba(59, 130, 246, 0.1),
        0 1px 3px 0 rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

[data-theme="dark"] .booking-input:focus,
[data-theme="dark"] .booking-select:focus,
[data-theme="dark"] .booking-textarea:focus {
    box-shadow:
        0 0 0 3px rgba(96, 165, 250, 0.15),
        0 1px 3px 0 rgba(0, 0, 0, 0.3);
}

/* Enhanced hover states */
.booking-input:hover:not(:disabled),
.booking-select:hover:not(:disabled),
.booking-textarea:hover:not(:disabled) {
    border-color: var(--booking-primary);
    box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.05);
}

/* ==========================================================================
   COMPACT FORM SECTIONS
   User Request: "make forms more compact, modern, professional"
   ========================================================================== */

.booking-form-section--compact {
    padding: var(--booking-space-lg); /* Reduced from xl (32px → 24px) */
    margin-bottom: var(--booking-space-lg); /* Reduced from xl */
}

.booking-form-section--compact .form-section-title {
    font-size: var(--booking-text-lg); /* Reduced from xl (20px → 18px) */
    margin-bottom: var(--booking-space-md); /* Reduced from lg (24px → 16px) */
}

.booking-form-section--compact .booking-form-group {
    margin-bottom: var(--booking-space-md); /* Reduced from lg (24px → 16px) */
}

.booking-form-section--compact .booking-form-row {
    gap: var(--booking-space-md); /* Reduced from lg */
    margin-bottom: var(--booking-space-md); /* Reduced from lg */
}

/* Mobile compact adjustments */
@media (max-width: 768px) {
    .booking-form-section--compact {
        padding: var(--booking-space-md);
    }
}

/* ==========================================================================
   MODERN INPUT ENHANCEMENTS
   ========================================================================== */

/* Subtle border animation on focus */
@keyframes borderPulse {
    0%, 100% { border-color: var(--booking-primary); }
    50% { border-color: var(--booking-primary-hover); }
}

/* Premium input variant - more rounded, subtle shadow */
.booking-input--premium,
.booking-select--premium,
.booking-textarea--premium {
    border-radius: var(--booking-radius-xl); /* More rounded (16px vs 12px) */
    border-width: 1px; /* Thinner border (1px vs 2px) */
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); /* Subtle shadow */
}

.booking-input--premium:focus,
.booking-select--premium:focus,
.booking-textarea--premium:focus {
    border-width: 2px;
    box-shadow:
        0 0 0 3px rgba(59, 130, 246, 0.08),
        0 2px 8px 0 rgba(0, 0, 0, 0.08);
}

/* ==========================================================================
   ACCESSIBILITY IMPROVEMENTS
   ========================================================================== */

/* High contrast mode support */
@media (prefers-contrast: high) {
    .booking-input,
    .booking-select,
    .booking-textarea {
        border-width: 2px;
    }

    .booking-input:focus,
    .booking-select:focus,
    .booking-textarea:focus {
        border-width: 3px;
        outline: 2px solid var(--booking-primary);
        outline-offset: 2px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .booking-input,
    .booking-select,
    .booking-textarea,
    .floating-label,
    .booking-error-message,
    .validation-icon {
        animation: none;
        transition: none;
    }

    .booking-input:focus,
    .booking-select:focus,
    .booking-textarea:focus {
        transform: none;
    }
}

/* Focus visible for keyboard navigation */
.booking-input:focus-visible,
.booking-select:focus-visible,
.booking-textarea:focus-visible {
    outline: 3px solid var(--booking-primary);
    outline-offset: 2px;
}

/* ==========================================================================
   LOADING STATES FOR ASYNC VALIDATION
   ========================================================================== */

.form-field-loading {
    position: relative;
}

.form-field-loading .booking-input,
.form-field-loading .booking-select {
    padding-right: calc(var(--booking-space-lg) * 2.5);
}

.loading-spinner-input {
    position: absolute;
    right: var(--booking-space-lg);
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    border: 2px solid var(--booking-border);
    border-top-color: var(--booking-primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ==========================================================================
   CHARACTER COUNT HELPER
   ========================================================================== */

.form-field-with-counter {
    position: relative;
}

.character-count {
    position: absolute;
    right: var(--booking-space-lg);
    bottom: calc(-1 * var(--booking-space-lg));
    font-size: var(--booking-text-xs);
    color: var(--booking-text-muted);
    font-weight: var(--booking-font-medium);
}

.character-count--warning {
    color: var(--booking-warning);
}

.character-count--error {
    color: var(--booking-error);
}

/* ==========================================================================
   TOOLTIP SUPPORT FOR FORM FIELDS
   ========================================================================== */

.form-field-with-tooltip {
    position: relative;
}

.form-tooltip-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    margin-left: var(--booking-space-xs);
    background: var(--booking-gray-200);
    color: var(--booking-text-secondary);
    border-radius: 50%;
    font-size: var(--booking-text-xs);
    cursor: help;
    transition: all var(--booking-transition-base);
}

.form-tooltip-trigger:hover {
    background: var(--booking-primary);
    color: white;
}

.form-tooltip {
    position: absolute;
    bottom: calc(100% + var(--booking-space-sm));
    left: 0;
    background: var(--booking-gray-900);
    color: white;
    padding: var(--booking-space-sm) var(--booking-space-md);
    border-radius: var(--booking-radius-md);
    font-size: var(--booking-text-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--booking-transition-base);
    z-index: 10;
}

.form-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: var(--booking-space-md);
    border: 5px solid transparent;
    border-top-color: var(--booking-gray-900);
}

.form-tooltip-trigger:hover + .form-tooltip,
.form-tooltip:hover {
    opacity: 1;
    visibility: visible;
}

[data-theme="dark"] .form-tooltip {
    background: var(--booking-gray-700);
}

[data-theme="dark"] .form-tooltip::after {
    border-top-color: var(--booking-gray-700);
}

/* ==========================================================================
   END OF MODERN ENHANCEMENTS
   ========================================================================== */