/* ===== ZENCIA.AI CALENDAR BOOKING STYLES ===== */

:root {
    /* Zencia.ai Color Palette */
    --zencia-primary: #8B5CF6;        /* Purple primary */
    --zencia-primary-dark: #7C3AED;   /* Darker purple */
    --zencia-primary-light: #A78BFA;  /* Lighter purple */
    --zencia-bg-dark: #0F0F23;        /* Very dark background */
    --zencia-bg-card: #1A1A2E;        /* Card background */
    --zencia-bg-surface: #16213E;     /* Surface background */
    --zencia-text-primary: #FFFFFF;   /* Primary text */
    --zencia-text-secondary: #E5E5E5; /* Secondary text */
    --zencia-text-muted: #A1A1AA;     /* Muted text */
    --zencia-border: #2D2D4A;         /* Border color */
    --zencia-border-hover: #404060;   /* Border hover */
    --zencia-accent-blue: #3B82F6;    /* Blue accent */
    --zencia-accent-green: #10B981;   /* Green accent */
    --zencia-accent-red: #EF4444;     /* Red accent */
    --zencia-glow: rgba(139, 92, 246, 0.3); /* Purple glow */
    --zencia-shadow: rgba(0, 0, 0, 0.5); /* Shadow */
    
    /* Spacing & Layout */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Typography */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
}

/* ===== MAIN SECTION ===== */
.calendar-booking-section {
    background: var(--zencia-bg-dark);
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
}

.calendar-booking-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(59, 130, 246, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 1;
}

/* ===== SECTION HEADER ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--zencia-text-primary);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--zencia-primary), var(--zencia-accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--zencia-text-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ===== CONTENT LAYOUT ===== */
.calendar-booking-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

/* ===== LEFT SIDE - BENEFITS ===== */
.calendar-booking-left {
    padding-right: var(--spacing-xl);
}

.booking-benefits {
    margin-top: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.booking-benefit {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
    padding: var(--spacing-xl);
    background: var(--zencia-bg-card);
    border: 1px solid var(--zencia-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.booking-benefit::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(139, 92, 246, 0.05) 0%, 
        rgba(59, 130, 246, 0.02) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.booking-benefit:hover {
    border-color: var(--zencia-primary);
    transform: translateX(8px);
    box-shadow: 0 10px 40px rgba(139, 92, 246, 0.2);
}

.booking-benefit:hover::before {
    opacity: 1;
}

.benefit-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--zencia-primary), var(--zencia-primary-dark));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-xl);
    flex-shrink: 0;
    transition: all var(--transition-bounce);
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 20px var(--zencia-glow);
}

.booking-benefit:hover .benefit-icon {
    transform: scale(1.1) rotate(5deg);
}

.benefit-content h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--zencia-text-primary);
    margin-bottom: var(--spacing-sm);
}

.benefit-content p {
    color: var(--zencia-text-muted);
    line-height: 1.6;
    margin: 0;
    font-size: var(--font-size-sm);
}

/* ===== RIGHT SIDE - BOOKING FORM ===== */
.booking-form-container {
    background: var(--zencia-bg-card);
    border: 1px solid var(--zencia-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    position: relative;
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.booking-form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(139, 92, 246, 0.08) 0%, 
        rgba(59, 130, 246, 0.04) 100%);
    border-radius: var(--radius-2xl);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
}

.booking-form-container:hover::before {
    opacity: 1;
}

/* ===== FORM STYLES ===== */
.booking-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

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

.form-group label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--zencia-text-secondary);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--zencia-bg-surface);
    border: 1px solid var(--zencia-border);
    border-radius: var(--radius-lg);
    color: var(--zencia-text-primary);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: all var(--transition-normal);
    resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--zencia-primary);
    background: var(--zencia-bg-dark);
    box-shadow: 0 0 0 3px var(--zencia-glow);
    transform: translateY(-1px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--zencia-text-muted);
    opacity: 0.8;
}

/* ===== TIME SLOTS - UPDATED TO SHOW 4 PER ROW ===== */
.time-slots-container {
    margin-top: var(--spacing-md);
}

.time-slots-label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--zencia-text-secondary);
    margin-bottom: var(--spacing-md);
    display: block;
}

.time-slots {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* Fixed to 4 columns */
    gap: var(--spacing-sm);
    max-width: 100%;
}

.time-slot {
    padding: var(--spacing-md);
    background: var(--zencia-bg-surface);
    border: 1px solid var(--zencia-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--zencia-text-secondary);
    text-align: center;
    transition: all var(--transition-bounce);
    user-select: none;
    position: relative;
    overflow: hidden;
    min-height: 44px; /* Ensure consistent height */
    display: flex;
    align-items: center;
    justify-content: center;
}

.time-slot::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--zencia-primary), var(--zencia-primary-dark));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.time-slot span {
    position: relative;
    z-index: 1;
    font-weight: 600; /* Make text more visible */
}

.time-slot:hover {
    border-color: var(--zencia-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px var(--zencia-glow);
}

.time-slot:hover::before {
    opacity: 0.1;
}

/* FIXED: Selected state now maintains visibility */
.time-slot.selected {
    background: var(--zencia-primary) !important;
    border-color: var(--zencia-primary) !important;
    color: #FFFFFF !important; /* Force white text */
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 30px var(--zencia-glow);
}

.time-slot.selected span {
    color: #FFFFFF !important; /* Ensure span text is white when selected */
    font-weight: 700 !important; /* Make selected text bold */
    text-shadow: none !important; /* Remove any text shadow */
    opacity: 1 !important; /* Ensure full opacity */
    display: block !important; /* Ensure span is displayed */
}

.time-slot.selected::before {
    opacity: 0 !important; /* Turn off the overlay that might be hiding text */
    background: none !important;
}

.time-slot.disabled {
    background: var(--zencia-bg-surface);
    border-color: var(--zencia-border);
    color: var(--zencia-text-muted);
    cursor: not-allowed;
    opacity: 0.5;
}

.time-slot.disabled:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--zencia-border);
}

.time-slot.disabled::before {
    display: none;
}

/* ===== FORM VALIDATION ===== */
.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: var(--zencia-accent-red);
    background: rgba(239, 68, 68, 0.1);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.form-group.success input,
.form-group.success select,
.form-group.success textarea {
    border-color: var(--zencia-accent-green);
    background: rgba(16, 185, 129, 0.1);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.form-error {
    font-size: var(--font-size-xs);
    color: var(--zencia-accent-red);
    margin-top: var(--spacing-sm);
    opacity: 0;
    transform: translateY(-8px);
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.form-error.show {
    opacity: 1;
    transform: translateY(0);
}

.form-error::before {
    content: '⚠ ';
    font-size: var(--font-size-sm);
}

/* Time slots error (special case) */
#timeSlotsError {
    font-size: var(--font-size-xs);
    color: var(--zencia-accent-red);
    margin-top: var(--spacing-sm);
    opacity: 0;
    transform: translateY(-8px);
    transition: all var(--transition-normal);
}

#timeSlotsError.show {
    opacity: 1;
    transform: translateY(0);
}

/* ===== SUBMIT BUTTON ===== */
.booking-submit-btn {
    padding: var(--spacing-lg) var(--spacing-xl);
    background: linear-gradient(135deg, var(--zencia-primary), var(--zencia-primary-dark));
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-bounce);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    box-shadow: 0 8px 30px var(--zencia-glow);
}

.booking-submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.booking-submit-btn:hover::before {
    left: 100%;
}

.booking-submit-btn:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 12px 40px var(--zencia-glow);
}

.booking-submit-btn:active {
    transform: translateY(0) scale(0.98);
}

.booking-submit-btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

.booking-submit-btn .btn-text {
    transition: opacity var(--transition-normal);
}

.booking-submit-btn .btn-loading {
    display: none;
    align-items: center;
    gap: var(--spacing-sm);
}

.booking-submit-btn.loading .btn-text {
    display: none;
}

.booking-submit-btn.loading .btn-loading {
    display: flex;
}

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ===== SUCCESS/ERROR STATES ===== */
.booking-success,
.booking-error {
    display: none;
    text-align: center;
    padding: var(--spacing-2xl);
    opacity: 0;
    transform: scale(0.9);
    transition: all var(--transition-bounce);
}

.booking-success.show,
.booking-error.show {
    opacity: 1;
    transform: scale(1);
}

.success-icon,
.error-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-xl);
    font-size: var(--font-size-2xl);
    color: white;
    animation: iconBounce 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.success-icon {
    background: linear-gradient(135deg, var(--zencia-accent-green), #22d3ee);
    box-shadow: 0 10px 40px rgba(16, 185, 129, 0.4);
}

.error-icon {
    background: linear-gradient(135deg, var(--zencia-accent-red), #f97316);
    box-shadow: 0 10px 40px rgba(239, 68, 68, 0.4);
}

@keyframes iconBounce {
    0% {
        transform: scale(0) rotate(-180deg);
        opacity: 0;
    }
    50% {
        transform: scale(1.1) rotate(-90deg);
        opacity: 0.8;
    }
    100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
}

.booking-success h3,
.booking-error h3 {
    font-size: var(--font-size-2xl);
    color: var(--zencia-text-primary);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.booking-success p,
.booking-error p {
    color: var(--zencia-text-muted);
    margin-bottom: var(--spacing-xl);
    font-size: var(--font-size-lg);
    line-height: 1.6;
}

/* ===== ACTION BUTTONS ===== */
.btn-secondary {
    padding: var(--spacing-md) var(--spacing-xl);
    background: transparent;
    color: var(--zencia-text-secondary);
    border: 1px solid var(--zencia-border);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn-secondary:hover {
    background: var(--zencia-bg-surface);
    border-color: var(--zencia-primary);
    color: var(--zencia-text-primary);
    transform: translateY(-1px);
}

.btn-primary {
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--zencia-primary), var(--zencia-primary-dark));
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    box-shadow: 0 4px 20px var(--zencia-glow);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 30px var(--zencia-glow);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
    .calendar-booking-content {
        gap: var(--spacing-2xl);
    }
    
    .calendar-booking-left {
        padding-right: var(--spacing-md);
    }
}

@media (max-width: 992px) {
    .calendar-booking-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .calendar-booking-left {
        padding-right: 0;
        order: 2;
    }
    
    .booking-form-container {
        order: 1;
    }
    
    .section-header {
        text-align: center;
    }
    
    .booking-benefits {
        margin-top: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .calendar-booking-section {
        padding: var(--spacing-2xl) 0;
    }
    
    .booking-form-container {
        padding: var(--spacing-xl);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    /* Keep 4 columns on tablet - adjust if needed */
    .time-slots {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-xs); /* Smaller gap on mobile */
    }
    
    .time-slot {
        padding: var(--spacing-sm);
        font-size: var(--font-size-xs);
        min-height: 40px;
    }
    
    .booking-benefit {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .benefit-icon {
        margin: 0 auto;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .booking-form-container {
        padding: var(--spacing-lg);
    }
    
    .section-header h2 {
        font-size: var(--font-size-2xl);
    }
    
    /* Switch to 2 columns on very small screens for better usability */
    .time-slots {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .time-slot {
        padding: var(--spacing-md);
        font-size: var(--font-size-sm);
        min-height: 44px;
    }
    
    .booking-benefit {
        padding: var(--spacing-lg);
    }
    
    .benefit-icon {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-lg);
    }
}

/* ===== ACCESSIBILITY ===== */
.time-slot:focus,
.booking-submit-btn:focus,
.btn-primary:focus,
.btn-secondary:focus {
    outline: 2px solid var(--zencia-primary);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== HIGH CONTRAST MODE ===== */
@media (prefers-contrast: high) {
    :root {
        --zencia-bg-dark: #000000;
        --zencia-bg-card: #000000;
        --zencia-bg-surface: #000000;
        --zencia-text-primary: #FFFFFF;
        --zencia-border: #FFFFFF;
        --zencia-primary: #FFFFFF;
    }
    
    .booking-form-container,
    .booking-benefit,
    .time-slot,
    .form-group input,
    .form-group select,
    .form-group textarea {
        border: 2px solid #FFFFFF !important;
    }
}

/* ===== LOADING ANIMATION ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.booking-form-container {
    animation: fadeInUp 0.6s ease forwards;
}

.booking-benefit {
    animation: fadeInUp 0.6s ease forwards;
}

.booking-benefit:nth-child(2) {
    animation-delay: 0.1s;
}

.booking-benefit:nth-child(3) {
    animation-delay: 0.2s;
}

.booking-benefit:nth-child(4) {
    animation-delay: 0.3s;
}