/* ==========================================================================
   Booking System Main Stylesheet
   ========================================================================== */

/* CSS Custom Properties */
:root {
    --primary-color: #007bff;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --muted-color: #6c757d;
    
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    --box-shadow-lg: 0 4px 12px rgba(0,0,0,0.15);
    --transition: all 0.3s ease;
    
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
}

/* Base Styles */
.reservation-booking {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
}

.reservation-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
    min-height: 100vh;
}

/* Progress Indicator */
.progress-wrapper {
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.progress {
    height: 8px;
    background-color: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.1);
}

.progress-bar {
    background: linear-gradient(90deg, var(--success-color) 0%, var(--info-color) 100%);
    transition: width 0.6s ease;
    position: relative;
    overflow: hidden;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(
        45deg,
        transparent 25%,
        rgba(255,255,255,0.2) 25%,
        rgba(255,255,255,0.2) 50%,
        transparent 50%,
        transparent 75%,
        rgba(255,255,255,0.2) 75%
    );
    background-size: 20px 20px;
    animation: progressStripes 1s linear infinite;
}

@keyframes progressStripes {
    0% { background-position: 0 0; }
    100% { background-position: 20px 0; }
}

.step-indicators {
    display: flex;
    justify-content: space-between;
    margin: 0 -15px;
    position: relative;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    padding: 0 15px;
    position: relative;
    z-index: 2;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 18px;
    right: -50%;
    width: calc(100% - 30px);
    height: 2px;
    background-color: #e9ecef;
    z-index: 1;
    transition: background-color 0.3s ease;
}

.step.completed:not(:last-child)::after {
    background: linear-gradient(90deg, var(--success-color) 0%, var(--info-color) 100%);
}

.step-number {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: #e9ecef;
    color: var(--muted-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 2;
    transition: var(--transition);
    border: 2px solid transparent;
}

.step.active .step-number {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
    color: white;
    transform: scale(1.1);
    box-shadow: var(--box-shadow);
}

.step.completed .step-number {
    background: linear-gradient(135deg, var(--success-color) 0%, #1e7e34 100%);
    color: white;
    border-color: var(--success-color);
}

.step.completed .step-number::after {
    content: '✓';
    position: absolute;
    font-size: 14px;
    font-weight: bold;
}

.step-label {
    font-size: var(--font-size-sm);
    text-align: center;
    color: var(--muted-color);
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
}

.step.active .step-label {
    color: var(--primary-color);
    font-weight: 600;
}

.step.completed .step-label {
    color: var(--success-color);
    font-weight: 600;
}

/* Step Content */
.step-content {
    animation: fadeInUp 0.6s ease-out;
    /*min-height: 60vh;*/
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.step-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: var(--border-radius-lg);
    border: 1px solid #dee2e6;
}

.step-header h2 {
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
    font-size: 2rem;
}

.step-header p {
    color: var(--muted-color);
    font-size: var(--font-size-lg);
    margin: 0;
    font-weight: 400;
}

/* Cards */
.card {
    border: 1px solid #dee2e6;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.card:hover {
    box-shadow: var(--box-shadow-lg);
    transform: translateY(-1px);
}

.card-header {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-bottom: 1px solid #dee2e6;
    padding: var(--spacing-lg);
    font-weight: 600;
    color: var(--dark-color);
}

.card-header h5 {
    margin: 0;
    font-size: var(--font-size-lg);
}

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

.card-footer {
    background-color: #f8f9fa;
    border-top: 1px solid #dee2e6;
    padding: var(--spacing-lg);
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    color: var(--muted-color);
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: var(--border-radius-lg);
    border: 2px dashed #dee2e6;
    margin: var(--spacing-xl) 0;
}

.empty-state h4 {
    margin-bottom: var(--spacing-md);
    color: var(--muted-color);
    font-size: 1.5rem;
}

.empty-state p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

/* Reservation Info */
.reservation-info {
    background: linear-gradient(135deg, #e3f2fd 0%, #f1f8e9 100%);
    border: 1px solid #b3e5fc;
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--box-shadow);
}

.reservation-info .row {
    align-items: center;
}

.reservation-info strong {
    color: var(--dark-color);
    font-weight: 600;
}

/* Buttons */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: var(--font-size-base);
    line-height: 1.5;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #0056b3 0%, #004085 100%);
    transform: translateY(-1px);
    box-shadow: var(--box-shadow-lg);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #1e7e34 100%);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: linear-gradient(135deg, #1e7e34 0%, #155724 100%);
    transform: translateY(-1px);
    box-shadow: var(--box-shadow-lg);
}

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

.btn-outline-primary:hover:not(:disabled) {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

.btn-outline-secondary {
    background: transparent;
    color: var(--muted-color);
    border: 2px solid #dee2e6;
}

.btn-outline-secondary:hover:not(:disabled) {
    background: var(--muted-color);
    color: white;
    border-color: var(--muted-color);
}

.btn-block {
    width: 100%;
    display: flex;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--dark-color);
    font-size: var(--font-size-base);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--dark-color);
    background-color: white;
    border: 2px solid #dee2e6;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.form-control.is-invalid {
    border-color: var(--danger-color);
}

.form-control.is-valid {
    border-color: var(--success-color);
}

.invalid-feedback {
    color: var(--danger-color);
    font-size: var(--font-size-sm);
    margin-top: 0.25rem;
    display: block;
}

.form-text {
    color: var(--muted-color);
    font-size: var(--font-size-sm);
    margin-top: 0.25rem;
}

.form-check {
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.form-check-input {
    width: 1.2rem;
    height: 1.2rem;
    margin-top: 0.1rem;
    flex-shrink: 0;
}

.form-check-label {
    font-size: var(--font-size-base);
    line-height: 1.5;
    cursor: pointer;
}

.form-check-label a {
    color: var(--primary-color);
    text-decoration: none;
}

.form-check-label a:hover {
    text-decoration: underline;
}

/* Success/Error Messages */
.success-message,
.error-message {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.success-icon,
.error-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    display: block;
}

.success-icon {
    color: var(--success-color);
    text-shadow: 0 2px 4px rgba(40, 167, 69, 0.3);
}

.error-icon {
    color: var(--danger-color);
    text-shadow: 0 2px 4px rgba(220, 53, 69, 0.3);
}

.text-success {
    color: var(--success-color) !important;
}

.text-danger {
    color: var(--danger-color) !important;
}

.text-muted {
    color: var(--muted-color) !important;
}

.text-warning {
    color: var(--warning-color) !important;
}

/* Utility Classes */
.sticky-top {
    position: sticky;
    top: var(--spacing-xl);
    z-index: 10;
}

.font-weight-bold {
    font-weight: 700 !important;
}

.font-weight-600 {
    font-weight: 600 !important;
}

.text-center {
    text-align: center !important;
}

.text-right {
    text-align: right !important;
}

.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }

.d-flex { display: flex !important; }
.d-block { display: block !important; }
.align-items-center { align-items: center !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-center { justify-content: center !important; }

/* Loading States */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    border-radius: inherit;
}

.loading-spinner {
    text-align: center;
    color: var(--primary-color);
}

.spinner-border {
    width: 2rem;
    height: 2rem;
    border: 0.25em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border 0.75s linear infinite;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.2em;
}

@keyframes spinner-border {
    to {
        transform: rotate(360deg);
    }
}

/* Hover Effects */
.hover-lift {
    transition: var(--transition);
}

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

/* Focus Visible */
.btn:focus-visible,
.form-control:focus-visible,
.form-check-input:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .btn,
    .card-footer,
    .step-indicators,
    .progress-wrapper {
        display: none !important;
    }
    
    .card {
        border: 1px solid #000 !important;
        box-shadow: none !important;
        page-break-inside: avoid;
    }
    
    .reservation-container {
        max-width: none;
        padding: 0;
    }
    
    .step-header {
        background: none !important;
        border: none !important;
    }
    
    .card-header {
        background: none !important;
        border-bottom: 1px solid #000 !important;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --dark-color: #f8f9fa;
        --light-color: #343a40;
        --muted-color: #adb5bd;
    }
    
    .reservation-booking {
        background-color: #121212;
        color: var(--dark-color);
    }
    
    .card {
        background-color: #1e1e1e;
        border-color: #404040;
    }
    
    .card-header,
    .card-footer {
        background-color: #2a2a2a;
        border-color: #404040;
    }
    
    .form-control {
        background-color: #2a2a2a;
        border-color: #404040;
        color: var(--dark-color);
    }
    
    .form-control:focus {
        background-color: #2a2a2a;
        border-color: var(--primary-color);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .progress-bar::after {
        animation: none;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .btn {
        border: 2px solid currentColor;
    }
    
    .card {
        border: 2px solid currentColor;
    }
    
    .form-control {
        border: 2px solid currentColor;
    }
}