/* Modern Appointment Modal Styles - Mobile Responsive */
:root {
    --primary-color: #20B2AA;
    --primary-color-rgb: 32, 178, 170;
    --primary-dark: #178B88;
    --primary-light: #4FD1C7;
    --secondary-color: #000000;
    --accent-color: #FFFFFF;
    --background-color: #F8F9FC;
    --text-color: #333333;
    --text-light: #6B7280;
    --border-color: #E5E7EB;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --error-color: #EF4444;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --box-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --box-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --box-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --animation-duration: 0.3s;
}

/* Reset ve Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--background-color);
    overflow-x: hidden;
}

/* Demo Sayfası */
.demo-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.demo-page h1 {
    color: var(--accent-color);
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    font-weight: 700;
}

/* Buton Stilleri */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    min-width: 120px;
    justify-content: center;
    outline: none;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--accent-color);
    box-shadow: var(--box-shadow);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-md);
}

.btn-secondary {
    background: var(--accent-color);
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--background-color);
    border-color: var(--text-color);
}

/* Modal Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--animation-duration) ease;
    padding: 1rem;
    box-sizing: border-box;
}

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

/* Modal Container */
.appointment-modal {
    background: var(--accent-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-xl);
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(50px);
    transition: transform var(--animation-duration) ease;
    position: relative;
}

.modal-overlay.active .appointment-modal {
    transform: scale(1) translateY(0);
}

/* Modal Header */
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
    color: var(--accent-color);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.modal-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.modal-title h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.modal-title i {
    font-size: 1.3rem;
}

.close-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.2rem;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

/* Modal Body */
.modal-body {
    padding: 2rem;
}

/* User Welcome Section */
.user-welcome {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--background-color) 0%, #E5E7EB 100%);
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.user-avatar {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    font-size: 1.5rem;
    box-shadow: var(--box-shadow);
    flex-shrink: 0;
}

.user-details h3 {
    margin: 0 0 0.25rem 0;
    color: var(--text-color);
    font-size: 1.2rem;
    font-weight: 600;
}

.user-details p {
    margin: 0;
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Form Sections */
.form-section {
    margin-bottom: 2rem;
}

.form-section h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 0 1rem 0;
    color: var(--text-color);
    font-size: 1.1rem;
    font-weight: 600;
}

.form-section h4 i {
    color: var(--primary-color);
    font-size: 1rem;
}

/* Service Grid */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.service-card {
    background: var(--accent-color);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    border-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-lg);
}

.service-card.active {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(32, 178, 170, 0.05) 0%, rgba(32, 178, 170, 0.1) 100%);
    box-shadow: 0 0 0 2px rgba(32, 178, 170, 0.2);
}

.service-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.service-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--accent-color);
    font-size: 1.25rem;
    box-shadow: var(--box-shadow);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-card h5 {
    margin: 0 0 0.5rem 0;
    color: var(--text-color);
    font-size: 1rem;
    font-weight: 600;
}

.service-card p {
    margin: 0 0 0.75rem 0;
    color: var(--text-light);
    font-size: 0.875rem;
    line-height: 1.4;
}

.service-card .price {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.1rem;
}

/* Form Controls */
.form-select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    background: var(--accent-color);
    color: var(--text-color);
    transition: var(--transition);
}

.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(32, 178, 170, 0.1);
}

/* Calendar Container */
.calendar-container {
    background: var(--background-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.calendar-header h5 {
    margin: 0;
    color: var(--text-color);
    font-size: 1.1rem;
    font-weight: 600;
}

.calendar-nav {
    background: var(--accent-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-color);
    font-size: 0.875rem;
}

.calendar-nav:hover {
    background: var(--primary-light);
    color: var(--accent-color);
    border-color: var(--primary-color);
}

.calendar-wrapper {
    background: var(--accent-color);
    border-radius: var(--border-radius-sm);
    padding: 1rem;
    border: 1px solid var(--border-color);
}

.calendar-days-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.25rem;
    margin-bottom: 0.5rem;
}

.calendar-days-header span {
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-light);
    padding: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.25rem;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    background: var(--background-color);
    color: var(--text-color);
}

.calendar-day:hover {
    background: var(--primary-light);
    color: var(--accent-color);
}

.calendar-day.other-month {
    color: var(--text-light);
    opacity: 0.4;
}

.calendar-day.disabled {
    color: var(--text-light);
    cursor: not-allowed;
    opacity: 0.3;
}

.calendar-day.available {
    background: var(--accent-color);
    border: 1px solid var(--primary-light);
    color: var(--primary-color);
}

.calendar-day.available:hover {
    background: var(--primary-light);
    color: var(--accent-color);
    transform: scale(1.05);
}

.calendar-day.selected {
    background: var(--primary-color);
    color: var(--accent-color);
    border: 1px solid var(--primary-color);
    box-shadow: 0 0 0 2px rgba(32, 178, 170, 0.3);
}

.calendar-day.today {
    font-weight: 700;
    position: relative;
}

.calendar-day.today.selected {
    background: var(--primary-dark);
}

.calendar-legend {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.legend-color {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
}

.legend-color.available {
    background: var(--primary-light);
    border-color: var(--primary-color);
}

.legend-color.selected {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.legend-color.disabled {
    background: var(--border-color);
    border-color: var(--border-color);
}

.legend-item span:not(.legend-color) {
    color: var(--text-color);
}

/* Time Slots */
.time-slots {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 0.75rem;
    margin-top: 1rem;
}

.time-slot {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--accent-color);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    font-weight: 500;
    color: var(--text-color);
    font-size: 0.875rem;
}

.time-slot:hover {
    border-color: var(--primary-light);
    background: var(--background-color);
    color: var(--primary-color);
}

.time-slot.selected {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(32, 178, 170, 0.3);
}

/* Loading States */
.loading,
.no-times {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: var(--text-light);
    font-size: 0.875rem;
}

.loading::after {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    margin-left: 0.5rem;
    animation: spin 1s linear infinite;
}

/* Form Textarea */
.form-textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    background: var(--accent-color);
    color: var(--text-color);
    transition: var(--transition);
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
}

.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(32, 178, 170, 0.1);
}

/* Appointment Summary */
.appointment-summary {
    background: var(--background-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.appointment-summary h4 {
    margin: 0 0 1rem 0;
    color: var(--text-color);
}

.summary-content {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.summary-item:last-child {
    border-bottom: none;
}

.summary-item span:first-child {
    color: var(--text-light);
    font-weight: 500;
}

.summary-item span:last-child {
    color: var(--text-color);
    font-weight: 600;
}

/* Modal Footer */
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border-color);
    background: var(--background-color);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 120px;
    justify-content: center;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--accent-color);
    box-shadow: var(--box-shadow);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--box-shadow-md);
}

.btn-primary:disabled {
    background: var(--border-color);
    color: var(--text-light);
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: var(--accent-color);
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
    color: var(--text-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .modal-overlay {
        padding: 0.5rem;
    }

    .appointment-modal {
        max-width: 100%;
        max-height: 95vh;
    }

    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 1rem;
    }

    .service-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .calendar-container {
        padding: 1rem;
    }

    .time-slots {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
        gap: 0.5rem;
    }

    .calendar-legend {
        flex-direction: column;
        gap: 0.5rem;
    }

    .modal-footer {
        flex-direction: column;
        gap: 0.75rem;
    }

    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 0.75rem;
    }

    .modal-title h2 {
        font-size: 1.25rem;
    }

    .user-welcome {
        flex-direction: column;
        text-align: center;
        padding: 1rem;
    }

    .user-avatar {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }

    .service-card {
        padding: 1rem;
    }

    .service-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .calendar-days-header span {
        font-size: 0.7rem;
        padding: 0.25rem;
    }

    .calendar-day {
        font-size: 0.75rem;
    }

    .time-slots {
        grid-template-columns: repeat(2, 1fr);
    }

    .time-slot {
        padding: 0.5rem;
        font-size: 0.8rem;
    }

    .calendar-legend {
        flex-wrap: wrap;
        gap: 0.25rem;
    }

    .legend-color {
        width: 12px;
        height: 12px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(100%);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn var(--animation-duration) ease-out;
}

.slide-up {
    animation: slideUp var(--animation-duration) ease-out;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Scrollbar Styling */
.appointment-modal::-webkit-scrollbar {
    width: 8px;
}

.appointment-modal::-webkit-scrollbar-track {
    background: var(--background-color);
}

.appointment-modal::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}

.appointment-modal::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Focus states for accessibility */
.btn:focus,
.form-select:focus,
.form-textarea:focus,
.time-slot:focus,
.service-card:focus,
.calendar-day:focus,
.calendar-nav:focus,
.close-btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --text-light: #000000;
        --background-color: #FFFFFF;
    }
}

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

/* Dark mode support (if needed in future) */
@media (prefers-color-scheme: dark) {
    /* Dark mode variables can be added here if needed */
}