/**
 * HKD Transfer Tools - Styles
 * Version: 1.0.0
 * Author: HK Digital Agency
 */

/* ==========================================================================
   CSS Variables
   ========================================================================== */
:root {
    --hkd-navy: #1B3A4B;
    --hkd-navy-light: #2C5364;
    --hkd-navy-dark: #0A1628;
    --hkd-accent: #C41E3A;
    --hkd-accent-hover: #A01830;
    --hkd-accent-light: #E8354F;
    --hkd-white: #FFFFFF;
    --hkd-gray-50: #F8FAFC;
    --hkd-gray-100: #F1F5F9;
    --hkd-gray-200: #E2E8F0;
    --hkd-gray-300: #CBD5E1;
    --hkd-gray-400: #94A3B8;
    --hkd-gray-500: #64748B;
    --hkd-gray-600: #475569;
    --hkd-gray-700: #334155;
    --hkd-gray-800: #1E293B;
    --hkd-success: #10B981;
    --hkd-error: #EF4444;
    --hkd-radius: 8px;
    --hkd-radius-lg: 12px;
    --hkd-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    --hkd-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --hkd-transition: all 0.2s ease;
}

/* ==========================================================================
   Booking Form
   ========================================================================== */
.hkd-booking-form-wrapper {
    background: var(--hkd-white);
    border-radius: var(--hkd-radius-lg);
    box-shadow: var(--hkd-shadow-lg);
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto;
}

.hkd-form-header {
    background: linear-gradient(135deg, var(--hkd-navy) 0%, var(--hkd-navy-dark) 100%);
    padding: 32px;
    text-align: center;
}

.hkd-form-header h3 {
    color: var(--hkd-white);
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 8px 0;
}

.hkd-form-header p {
    color: var(--hkd-gray-300);
    font-size: 15px;
    margin: 0;
}

.hkd-form-body {
    padding: 32px;
}

.hkd-form-section-title {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--hkd-gray-500);
    margin: 24px 0 16px 0;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--hkd-gray-200);
}

.hkd-form-section-title:first-child {
    margin-top: 0;
}

.hkd-form-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.hkd-form-row-2 {
    grid-template-columns: repeat(2, 1fr);
}

.hkd-form-row-4 {
    grid-template-columns: repeat(4, 1fr);
}

.hkd-form-group {
    display: flex;
    flex-direction: column;
}

.hkd-form-group.hkd-full-width {
    grid-column: 1 / -1;
}

.hkd-form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--hkd-navy);
    margin-bottom: 6px;
}

.hkd-form-group label .required {
    color: var(--hkd-accent);
}

.hkd-form-input,
.hkd-form-select,
.hkd-form-textarea {
    padding: 12px 16px !important;
    border: 1.5px solid var(--hkd-gray-200) !important;
    border-radius: var(--hkd-radius) !important;
    font-size: 15px !important;
    font-family: inherit !important;
    color: var(--hkd-gray-800) !important;
    background: var(--hkd-white) !important;
    transition: var(--hkd-transition) !important;
    width: 100% !important;
    box-sizing: border-box !important;
    line-height: 1.5 !important;
    height: auto !important;
    min-height: 48px !important;
}

.hkd-form-input:focus,
.hkd-form-select:focus,
.hkd-form-textarea:focus {
    outline: none;
    border-color: var(--hkd-accent);
    box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.1);
}

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

.hkd-form-select {
    cursor: pointer !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
    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='%2394A3B8' 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") !important;
    background-repeat: no-repeat !important;
    background-position: right 12px center !important;
    background-size: 18px !important;
    padding-right: 44px !important;
    background-color: #FFFFFF !important;
    color: #334155 !important;
}

.hkd-form-select option {
    color: #334155 !important;
    background: #FFFFFF !important;
    padding: 10px !important;
}

.hkd-form-select option[value=""],
.hkd-form-select option:disabled {
    color: #94A3B8 !important;
}

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

/* Conditional Fields */
.hkd-conditional-field {
    display: none;
    margin-top: 12px;
    padding: 16px;
    background: var(--hkd-gray-50);
    border-radius: var(--hkd-radius);
    border: 1px dashed var(--hkd-gray-300);
    animation: hkdSlideDown 0.3s ease;
}

.hkd-conditional-field.active {
    display: block;
}

@keyframes hkdSlideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hkd-conditional-field label {
    font-size: 12px;
    color: var(--hkd-gray-600);
    margin-bottom: 8px;
}

/* Checkbox */
.hkd-checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 24px;
}

.hkd-checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--hkd-accent);
    cursor: pointer;
    flex-shrink: 0;
}

.hkd-checkbox-group label {
    font-size: 14px;
    color: var(--hkd-gray-600);
    cursor: pointer;
    margin-bottom: 0;
}

.hkd-checkbox-group label a {
    color: var(--hkd-accent);
    text-decoration: none;
}

.hkd-checkbox-group label a:hover {
    text-decoration: underline;
}

/* Form Footer */
.hkd-form-footer {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.hkd-form-note {
    font-size: 13px;
    color: var(--hkd-gray-500);
    display: flex;
    align-items: center;
    gap: 6px;
}

.hkd-form-note svg {
    color: var(--hkd-success);
}

/* Honeypot (hidden) */
.hkd-hp-field {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    overflow: hidden;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.hkd-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 48px;
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    border: none;
    border-radius: var(--hkd-radius);
    cursor: pointer;
    transition: var(--hkd-transition);
    text-decoration: none;
    line-height: 1;
}

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

.hkd-btn-primary:hover {
    background: var(--hkd-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--hkd-shadow-lg);
    color: var(--hkd-white);
}

.hkd-btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

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

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

/* ==========================================================================
   Success Message
   ========================================================================== */
.hkd-success-message {
    text-align: center;
    padding: 48px 32px;
}

.hkd-success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--hkd-success) 0%, #059669 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.hkd-success-icon svg {
    color: var(--hkd-white);
}

.hkd-success-message h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--hkd-navy);
    margin: 0 0 12px 0;
}

.hkd-success-message p {
    font-size: 16px;
    color: var(--hkd-gray-600);
    max-width: 400px;
    margin: 0 auto;
}

/* ==========================================================================
   CTA Full
   ========================================================================== */
.hkd-cta-full {
    background: linear-gradient(135deg, var(--hkd-navy) 0%, var(--hkd-navy-dark) 100%);
    border-radius: var(--hkd-radius-lg);
    padding: 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hkd-cta-full::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(196, 30, 58, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hkd-cta-full-content {
    position: relative;
    z-index: 1;
}

.hkd-cta-full h3 {
    color: var(--hkd-white);
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 12px 0;
}

.hkd-cta-full p {
    color: var(--hkd-gray-300);
    font-size: 16px;
    margin: 0 0 32px 0;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.hkd-cta-full-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.hkd-cta-full .hkd-btn {
    min-width: 200px;
}

.hkd-cta-phone {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--hkd-white);
    font-size: 18px;
    font-weight: 600;
}

.hkd-cta-phone svg {
    color: var(--hkd-accent-light);
}

.hkd-cta-phone a {
    color: var(--hkd-white);
    text-decoration: none;
}

.hkd-cta-phone a:hover {
    color: var(--hkd-accent-light);
}

/* ==========================================================================
   CTA Compact
   ========================================================================== */
.hkd-cta-compact {
    background: var(--hkd-gray-50);
    border: 1px solid var(--hkd-gray-200);
    border-left: 4px solid var(--hkd-accent);
    border-radius: var(--hkd-radius);
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    margin: 30px 0;
}

.hkd-cta-compact-content h4 {
    color: var(--hkd-navy);
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 4px 0;
}

.hkd-cta-compact-content p {
    color: var(--hkd-gray-600);
    font-size: 14px;
    margin: 0;
}

.hkd-cta-compact .hkd-btn {
    padding: 12px 32px;
    font-size: 14px;
    white-space: nowrap;
}

/* ==========================================================================
   CTA Inline
   ========================================================================== */
.hkd-cta-inline {
    background: linear-gradient(90deg, var(--hkd-navy) 0%, var(--hkd-navy-light) 100%);
    border-radius: var(--hkd-radius);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    margin: 25px 0;
}

.hkd-cta-inline p {
    color: var(--hkd-white);
    font-size: 15px;
    font-weight: 500;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hkd-cta-inline p svg {
    color: var(--hkd-accent-light);
}

.hkd-cta-inline .hkd-btn {
    padding: 10px 24px;
    font-size: 14px;
}

/* ==========================================================================
   Popup
   ========================================================================== */
.hkd-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 22, 40, 0.85);
    backdrop-filter: blur(4px);
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.hkd-popup-container {
    background: var(--hkd-white);
    border-radius: var(--hkd-radius-lg);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: all 0.3s ease;
}

.hkd-popup-overlay.active .hkd-popup-container {
    transform: scale(1) translateY(0);
}

.hkd-popup-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: var(--hkd-transition);
}

.hkd-popup-close svg {
    color: var(--hkd-white);
}

.hkd-popup-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

/* Popup form adjustments */
.hkd-popup-container .hkd-booking-form-wrapper {
    box-shadow: none;
    max-width: 100%;
}

/* ==========================================================================
   Loading State
   ========================================================================== */
.hkd-btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

.hkd-btn.loading span {
    opacity: 0;
}

.hkd-btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: hkdSpin 0.8s linear infinite;
}

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

/* ==========================================================================
   Error State
   ========================================================================== */
.hkd-form-group.has-error .hkd-form-input,
.hkd-form-group.has-error .hkd-form-select {
    border-color: var(--hkd-error);
}

.hkd-error-message {
    color: var(--hkd-error);
    font-size: 13px;
    margin-top: 6px;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {
    .hkd-booking-form-wrapper {
        margin: 0 !important;
        border-radius: 12px !important;
    }
    
    .hkd-form-row,
    .hkd-form-row-2,
    .hkd-form-row-4 {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }
    
    .hkd-form-header {
        padding: 20px 16px !important;
    }
    
    .hkd-form-body {
        padding: 20px 16px !important;
    }
    
    .hkd-form-input,
    .hkd-form-select,
    .hkd-form-textarea {
        padding: 14px 16px !important;
        font-size: 16px !important; /* Prevents zoom on iOS */
        min-height: 50px !important;
    }
    
    .hkd-form-select {
        padding-right: 44px !important;
    }
    
    .hkd-btn {
        width: 100% !important;
        padding: 16px 24px !important;
    }
    
    .hkd-cta-full {
        padding: 32px 24px !important;
    }
    
    .hkd-cta-full h3 {
        font-size: 22px !important;
    }
    
    .hkd-cta-full-buttons {
        flex-direction: column !important;
        align-items: center !important;
    }
    
    .hkd-cta-full .hkd-btn {
        width: 100% !important;
        max-width: 280px !important;
    }
    
    .hkd-cta-compact {
        flex-direction: column !important;
        text-align: center !important;
    }
    
    .hkd-cta-compact .hkd-btn {
        width: 100% !important;
    }
    
    .hkd-cta-inline {
        flex-direction: column !important;
        text-align: center !important;
    }
    
    .hkd-cta-inline .hkd-btn {
        width: 100% !important;
    }
    
    .hkd-popup-container {
        max-height: 95vh !important;
    }
}