@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
    --ubik-primary: #6366f1;
    --ubik-primary-dark: #4f46e5;
    --ubik-primary-light: #818cf8;
    --ubik-accent: #f59e0b;
    --ubik-accent-hover: #d97706;
    --ubik-dark: #0f172a;
    --ubik-gray-900: #1e293b;
    --ubik-gray-800: #334155;
    --ubik-gray-700: #475569;
    --ubik-gray-600: #64748b;
    --ubik-gray-500: #94a3b8;
    --ubik-gray-400: #cbd5e1;
    --ubik-gray-300: #e2e8f0;
    --ubik-gray-200: #f1f5f9;
    --ubik-gray-100: #f8fafc;
    --ubik-white: #ffffff;
    --ubik-success: #10b981;
    --ubik-danger: #ef4444;
    --ubik-radius: 12px;
    --ubik-radius-lg: 16px;
    --ubik-shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --ubik-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --ubik-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --ubik-shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --ubik-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--ubik-gray-100);
    color: var(--ubik-gray-900);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ═══ LAYOUT ═══ */
.ubik-page {
    display: flex;
    min-height: 100vh;
}

.ubik-sidebar {
    width: 380px;
    background: var(--ubik-dark);
    color: var(--ubik-white);
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
}

.ubik-sidebar-brand {
    margin-bottom: 2.5rem;
}

.ubik-sidebar-brand .brand-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--ubik-primary-light);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
}

.ubik-sidebar-brand h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--ubik-white), var(--ubik-gray-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ubik-sidebar-brand .subtitle {
    color: var(--ubik-gray-500);
    font-size: 0.95rem;
    line-height: 1.5;
    text-align: justify;
}

.ubik-sidebar-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sidebar-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.sidebar-info-item .info-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(99, 102, 241, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
}

.sidebar-info-item .info-text h4 {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
    color: var(--ubik-gray-300);
}

.sidebar-info-item .info-text p {
    font-size: 0.8rem;
    color: var(--ubik-gray-500);
    line-height: 1.4;
}

.ubik-sidebar-footer {
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.sidebar-footer-text {
    font-size: 0.75rem;
    color: var(--ubik-gray-600);
    line-height: 1.5;
}

.sidebar-footer-text a {
    color: var(--ubik-primary-light);
    text-decoration: none;
}

/* ═══ MAIN CONTENT ═══ */
.ubik-main {
    flex: 1;
    padding: 2.5rem 3rem;
    max-width: 780px;
    margin: 0 auto;
}

/* ═══ STEP INDICATOR ═══ */
.ubik-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2.5rem;
    gap: 0;
}

.step-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
}

.step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--ubik-gray-300);
    color: var(--ubik-gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    transition: var(--ubik-transition);
}

.step-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--ubik-gray-500);
    transition: var(--ubik-transition);
}

.step-line {
    width: 48px;
    height: 2px;
    background: var(--ubik-gray-300);
    margin: 0 0.75rem;
    transition: var(--ubik-transition);
}

.step-item.active .step-number {
    background: var(--ubik-primary);
    color: var(--ubik-white);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

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

.step-item.completed .step-number {
    background: var(--ubik-success);
    color: var(--ubik-white);
}

.step-item.completed .step-label {
    color: var(--ubik-success);
}

.step-line.active {
    background: var(--ubik-primary);
}

.step-line.completed {
    background: var(--ubik-success);
}

/* ═══ STEP PANELS ═══ */
.step-panel {
    display: none;
    animation: fadeSlideIn 0.35s ease-out;
}

.step-panel.active {
    display: block;
}

@keyframes fadeSlideIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.step-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.65rem;
    font-weight: 700;
    color: var(--ubik-gray-900);
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.step-subtitle {
    color: var(--ubik-gray-600);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

/* ═══ CALENDAR ═══ */
.ubik-calendar {
    background: var(--ubik-white);
    border-radius: var(--ubik-radius-lg);
    border: 1px solid var(--ubik-gray-300);
    overflow: hidden;
    box-shadow: var(--ubik-shadow-sm);
}

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    background: var(--ubik-white);
    border-bottom: 1px solid var(--ubik-gray-200);
}

.calendar-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--ubik-gray-900);
}

.calendar-nav {
    display: flex;
    gap: 0.5rem;
}

.calendar-nav-btn {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: 1px solid var(--ubik-gray-300);
    background: var(--ubik-white);
    color: var(--ubik-gray-700);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--ubik-transition);
    font-size: 0.9rem;
}

.calendar-nav-btn:hover {
    background: var(--ubik-gray-100);
    border-color: var(--ubik-gray-400);
}

.calendar-grid {
    padding: 1rem 1.5rem 1.5rem;
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0;
    margin-bottom: 0.5rem;
}

.weekday {
    text-align: center;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--ubik-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.5rem 0;
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--ubik-transition);
    color: var(--ubik-gray-900);
    position: relative;
}

.calendar-day:hover:not(.disabled):not(.empty) {
    background: var(--ubik-gray-100);
}

.calendar-day.today {
    font-weight: 700;
    color: var(--ubik-primary);
}

.calendar-day.today::after {
    content: '';
    position: absolute;
    bottom: 4px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--ubik-primary);
}

.calendar-day.available {
    color: var(--ubik-gray-900);
    font-weight: 600;
}

.calendar-day.available::after {
    content: '';
    position: absolute;
    bottom: 4px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--ubik-success);
}

.calendar-day.selected {
    background: var(--ubik-primary);
    color: var(--ubik-white);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.35);
}

.calendar-day.selected::after {
    display: none;
}

.calendar-day.disabled {
    color: var(--ubik-gray-400);
    cursor: not-allowed;
}

.calendar-day.empty {
    cursor: default;
}

.calendar-legend {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--ubik-gray-200);
    font-size: 0.75rem;
    color: var(--ubik-gray-600);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.legend-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.legend-dot.available { background: var(--ubik-success); }
.legend-dot.selected { background: var(--ubik-primary); }

/* ═══ TIME SLOTS ═══ */
.ubik-timeslots {
    margin-top: 1.5rem;
}

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

.timeslots-date {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--ubik-primary);
    color: var(--ubik-white);
    padding: 0.6rem 1.25rem;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 600;
}

.timeslots-date i { font-size: 0.9rem; }

.timezone-label {
    font-size: 0.75rem;
    color: var(--ubik-gray-500);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.timeslots-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.6rem;
}

.timeslot {
    padding: 0.85rem 1rem;
    border: 2px solid var(--ubik-gray-300);
    border-radius: 10px;
    background: var(--ubik-white);
    cursor: pointer;
    transition: var(--ubik-transition);
    text-align: center;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--ubik-gray-800);
}

.timeslot:hover:not(.booked) {
    border-color: var(--ubik-primary);
    background: rgba(99, 102, 241, 0.04);
    color: var(--ubik-primary);
}

.timeslot.selected {
    background: var(--ubik-primary);
    border-color: var(--ubik-primary);
    color: var(--ubik-white);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.35);
    transform: scale(1.02);
}

.timeslot.booked {
    background: var(--ubik-gray-100);
    border-color: var(--ubik-gray-200);
    color: var(--ubik-gray-400);
    cursor: not-allowed;
    text-decoration: line-through;
}

.timeslot-duration {
    font-size: 0.7rem;
    color: var(--ubik-gray-500);
    margin-top: 0.15rem;
    font-weight: 400;
}

.timeslot.selected .timeslot-duration {
    color: rgba(255,255,255,0.7);
}

.no-slots-message {
    text-align: center;
    padding: 2.5rem;
    color: var(--ubik-gray-500);
    font-size: 0.9rem;
}

.no-slots-message i {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.75rem;
    color: var(--ubik-gray-400);
}

/* ═══ FORM ═══ */
.ubik-form {
    background: var(--ubik-white);
    border-radius: var(--ubik-radius-lg);
    border: 1px solid var(--ubik-gray-300);
    padding: 2rem;
    box-shadow: var(--ubik-shadow-sm);
}

.form-section-title {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--ubik-gray-500);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--ubik-gray-200);
}

.ubik-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.ubik-form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
}

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

.ubik-form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--ubik-gray-700);
    margin-bottom: 0.4rem;
}

.ubik-form-group label .required {
    color: var(--ubik-danger);
}

.ubik-form-group input,
.ubik-form-group select,
.ubik-form-group textarea {
    padding: 0.7rem 0.9rem;
    border: 1.5px solid var(--ubik-gray-300);
    border-radius: 8px;
    font-size: 0.9rem;
    font-family: 'Inter', sans-serif;
    color: var(--ubik-gray-900);
    background: var(--ubik-white);
    transition: var(--ubik-transition);
    outline: none;
}

.ubik-form-group input:focus,
.ubik-form-group select:focus,
.ubik-form-group textarea:focus {
    border-color: var(--ubik-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.ubik-form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* ═══ SELECTED SUMMARY ═══ */
.booking-summary {
    background: var(--ubik-gray-100);
    border: 1px solid var(--ubik-gray-300);
    border-radius: var(--ubik-radius);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.summary-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
}

.summary-row:not(:last-child) {
    border-bottom: 1px solid var(--ubik-gray-200);
}

.summary-row i {
    color: var(--ubik-primary);
    width: 20px;
    text-align: center;
    font-size: 0.9rem;
}

.summary-label {
    font-size: 0.75rem;
    color: var(--ubik-gray-500);
    font-weight: 500;
    min-width: 50px;
}

.summary-value {
    font-weight: 600;
    color: var(--ubik-gray-900);
    font-size: 0.85rem;
}

/* ═══ BUTTONS ═══ */
.ubik-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: var(--ubik-transition);
    border: none;
    outline: none;
}

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

.ubik-btn-primary:hover:not(:disabled) {
    background: var(--ubik-primary-dark);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
    transform: translateY(-1px);
}

.ubik-btn-primary:disabled {
    background: var(--ubik-gray-300);
    color: var(--ubik-gray-500);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.ubik-btn-secondary {
    background: var(--ubik-white);
    color: var(--ubik-gray-700);
    border: 1.5px solid var(--ubik-gray-300);
}

.ubik-btn-secondary:hover {
    background: var(--ubik-gray-100);
    border-color: var(--ubik-gray-400);
}

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

.ubik-btn-accent:hover:not(:disabled) {
    background: var(--ubik-accent-hover);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
    transform: translateY(-1px);
}

.step-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--ubik-gray-200);
}

.step-actions .ubik-btn {
    min-width: 140px;
}

/* ═══ CONFIRMATION STEP ═══ */
.confirmation-card {
    background: var(--ubik-white);
    border-radius: var(--ubik-radius-lg);
    border: 1px solid var(--ubik-gray-300);
    overflow: hidden;
    box-shadow: var(--ubik-shadow);
    text-align: center;
}

.confirmation-header {
    background: linear-gradient(135deg, var(--ubik-success), #059669);
    color: var(--ubik-white);
    padding: 2.5rem 2rem;
}

.confirmation-header .check-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.8rem;
    animation: scaleIn 0.5s ease-out;
}

@keyframes scaleIn {
    from { transform: scale(0); opacity: 0; }
    50% { transform: scale(1.15); }
    to { transform: scale(1); opacity: 1; }
}

.confirmation-header h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.confirmation-header p {
    font-size: 0.9rem;
    opacity: 0.85;
}

.confirmation-body {
    padding: 2rem;
}

.confirmation-details {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.confirmation-detail {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 1rem;
    background: var(--ubik-gray-100);
    border-radius: 10px;
}

.confirmation-detail i {
    color: var(--ubik-primary);
    font-size: 1rem;
    width: 20px;
    text-align: center;
}

.confirmation-detail .detail-content {
    text-align: left;
}

.confirmation-detail .detail-label {
    font-size: 0.7rem;
    color: var(--ubik-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.confirmation-detail .detail-value {
    font-weight: 600;
    color: var(--ubik-gray-900);
    font-size: 0.9rem;
}

.confirmation-notice {
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    margin-top: 1.5rem;
}

.confirmation-notice p {
    font-size: 0.8rem;
    color: var(--ubik-gray-600);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.4rem;
}

.confirmation-notice p:last-child {
    margin-bottom: 0;
}

.confirmation-notice i {
    color: var(--ubik-primary);
    font-size: 0.85rem;
}

.confirmation-actions {
    padding: 1.5rem 2rem 2rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* ═══ LOADING ═══ */
.ubik-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2.5px solid rgba(255,255,255,0.3);
    border-top-color: var(--ubik-white);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

.loading-slots {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 2.5rem;
    color: var(--ubik-gray-500);
}

.loading-slots .ubik-spinner {
    border-color: rgba(99, 102, 241, 0.2);
    border-top-color: var(--ubik-primary);
    width: 28px;
    height: 28px;
}

/* ═══ TOAST ═══ */
.ubik-toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--ubik-white);
    box-shadow: var(--ubik-shadow-lg);
    transform: translateY(120%);
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ubik-toast.show {
    transform: translateY(0);
    opacity: 1;
}

.ubik-toast.success { background: var(--ubik-success); }
.ubik-toast.error { background: var(--ubik-danger); }
.ubik-toast.info { background: var(--ubik-primary); }

/* ═══ RESPONSIVE ═══ */
@media (max-width: 1024px) {
    .ubik-page {
        flex-direction: column;
    }

    .ubik-sidebar {
        width: 100%;
        height: auto;
        position: relative;
        padding: 2rem 1.5rem;
    }

    .ubik-sidebar-info {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .sidebar-info-item {
        flex: 1;
        min-width: 200px;
    }

    .ubik-main {
        padding: 1.5rem;
        max-width: 100%;
    }
}

@media (max-width: 640px) {
    .ubik-sidebar {
        padding: 1.5rem 1.25rem;
    }

    .ubik-sidebar-brand h1 {
        font-size: 1.8rem;
    }

    .ubik-sidebar-info {
        flex-direction: column;
    }

    .sidebar-info-item { min-width: auto; }

    .ubik-main {
        padding: 1rem;
    }

    .ubik-steps {
        gap: 0;
    }

    .step-label {
        display: none;
    }

    .step-line {
        width: 32px;
    }

    .step-title {
        font-size: 1.35rem;
    }

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

    .ubik-form-row {
        grid-template-columns: 1fr;
    }

    .step-actions {
        flex-direction: column-reverse;
        gap: 0.75rem;
    }

    .step-actions .ubik-btn {
        width: 100%;
    }

    .calendar-days .calendar-day {
        font-size: 0.8rem;
    }

    .confirmation-actions {
        flex-direction: column;
    }

    .confirmation-actions .ubik-btn {
        width: 100%;
    }
}