/**
 * Alber Booking - Styles
 */

/* =============================================
   BUTTON
   ============================================= */
.alber-booking-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: inherit;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.alber-booking-btn:hover {
    transform: translateY(-2px);
}

.alber-booking-btn:active {
    transform: translateY(0);
}

.alber-btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.alber-btn-icon svg,
.alber-btn-icon i {
    width: 1em;
    height: 1em;
}

/* =============================================
   POPUP OVERLAY
   ============================================= */
body.alber-popup-open {
    overflow: hidden;
}

/* Mobile: Body-Scroll erlauben, damit Popup scrollbar ist */
@media (max-width: 600px) {
    body.alber-popup-open {
        overflow: auto;
        position: fixed;
        width: 100%;
        height: 100%;
    }
}

.alber-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    padding: 1rem;
    animation: alberFadeIn 0.2s ease;
}

@keyframes alberFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* =============================================
   POPUP CONTENT
   ============================================= */
.alber-popup-content {
    background: var(--alber-bg, #ffffff);
    color: var(--alber-text, #1e293b);
    border-radius: var(--alber-radius, 16px);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: alberSlideUp 0.3s ease;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

@keyframes alberSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alber-popup-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    border: none;
    background: #f1f5f9;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
    transition: all 0.2s ease;
    z-index: 10;
}

.alber-popup-close:hover {
    background: #e2e8f0;
    color: #1e293b;
}

/* =============================================
   POPUP HEADER
   ============================================= */
.alber-popup-header {
    padding: 2rem 2rem 1.5rem;
    text-align: center;
    border-bottom: 1px solid #e2e8f0;
}

.alber-popup-title {
    margin: 0 0 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--alber-text, #1e293b);
}

.alber-popup-subtitle {
    margin: 0 0 1rem;
    font-size: 0.9375rem;
    color: #64748b;
}

.alber-popup-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.alber-popup-type,
.alber-popup-duration {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    background: #f1f5f9;
    border-radius: 99px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: #475569;
}

.alber-popup-type {
    background: var(--alber-primary, #0ea5e9);
    color: white;
}

/* =============================================
   PROGRESS STEPS
   ============================================= */
.alber-popup-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 2rem;
    gap: 0.5rem;
}

.alber-progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.alber-step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #e2e8f0;
    color: #64748b;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.alber-progress-step.active .alber-step-number {
    background: var(--alber-primary, #0ea5e9);
    color: white;
}

.alber-progress-step.completed .alber-step-number {
    background: #10b981;
    color: white;
}

.alber-step-label {
    font-size: 0.75rem;
    color: #94a3b8;
    white-space: nowrap;
}

.alber-progress-step.active .alber-step-label {
    color: var(--alber-text, #1e293b);
    font-weight: 500;
}

.alber-progress-line {
    width: 40px;
    height: 2px;
    background: #e2e8f0;
    margin-bottom: 1.5rem;
}

/* =============================================
   POPUP BODY
   ============================================= */
.alber-popup-body {
    padding: 1.5rem 2rem 2rem;
}

.alber-section-title {
    margin: 0 0 1rem;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--alber-text, #1e293b);
}

/* =============================================
   DATE PICKER
   ============================================= */
.alber-date-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 0.75rem;
}

.alber-date-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.875rem 0.5rem;
    background: #f8fafc;
    border: 2px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.alber-date-btn:hover {
    background: #f1f5f9;
    border-color: #e2e8f0;
}

.alber-date-btn.selected {
    background: var(--alber-primary, #0ea5e9);
    border-color: var(--alber-primary, #0ea5e9);
    color: white;
}

.alber-date-day {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 500;
    color: #94a3b8;
}

.alber-date-btn.selected .alber-date-day {
    color: rgba(255, 255, 255, 0.8);
}

.alber-date-num {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0.25rem 0;
}

.alber-date-month {
    font-size: 0.75rem;
    color: #64748b;
}

.alber-date-btn.selected .alber-date-month {
    color: rgba(255, 255, 255, 0.8);
}

/* =============================================
   TIME PICKER
   ============================================= */
.alber-time-picker {
    position: relative;
}

.alber-popup-back {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.75rem;
    background: transparent;
    border: none;
    color: #64748b;
    font-size: 0.875rem;
    cursor: pointer;
    margin-bottom: 1rem;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.alber-popup-back:hover {
    background: #f1f5f9;
    color: var(--alber-text, #1e293b);
}

.alber-selected-date {
    margin: 0 0 1.5rem;
    font-size: 0.9375rem;
    color: #64748b;
}

.alber-slots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.75rem;
}

.alber-time-slot {
    padding: 0.875rem 1rem;
    background: #f8fafc;
    border: 2px solid transparent;
    border-radius: 10px;
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.alber-time-slot:hover {
    background: #f1f5f9;
    border-color: #e2e8f0;
}

.alber-time-slot.selected {
    background: var(--alber-primary, #0ea5e9);
    border-color: var(--alber-primary, #0ea5e9);
    color: white;
}

.alber-no-slots,
.alber-error {
    text-align: center;
    padding: 2rem;
    color: #64748b;
    background: #f8fafc;
    border-radius: 12px;
}

.alber-error {
    color: #dc2626;
    background: #fef2f2;
}

.alber-loading {
    text-align: center;
    padding: 2rem;
    color: #64748b;
}

/* =============================================
   CONTACT FORM
   ============================================= */
.alber-booking-summary {
    background: #f8fafc;
    border-radius: 12px;
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
}

.alber-summary-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid #e2e8f0;
}

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

.alber-summary-label {
    color: #64748b;
    font-size: 0.875rem;
}

.alber-summary-value {
    font-weight: 500;
    font-size: 0.875rem;
}

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

@media (max-width: 480px) {
    .alber-form-row {
        grid-template-columns: 1fr;
    }
}

.alber-form-group {
    margin-bottom: 1rem;
}

.alber-form-group label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--alber-text, #1e293b);
}

.alber-form-group input,
.alber-form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 0.9375rem;
    font-family: inherit;
    transition: all 0.2s ease;
    color: var(--alber-text, #1e293b);
}

.alber-form-group input:focus,
.alber-form-group textarea:focus {
    outline: none;
    border-color: var(--alber-primary, #0ea5e9);
    background: white;
}

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

.alber-submit-btn {
    width: 100%;
    padding: 1rem 1.5rem;
    background: var(--alber-primary, #0ea5e9);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 0.5rem;
}

.alber-submit-btn:hover:not(:disabled) {
    opacity: 0.9;
    transform: translateY(-1px);
}

.alber-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* =============================================
   CONFIRMATION
   ============================================= */
.alber-confirmation {
    text-align: center;
    padding: 2rem 0;
}

.alber-confirmation-icon {
    margin-bottom: 1.5rem;
}

.alber-confirmation-icon svg {
    animation: alberCheckmark 0.5s ease;
}

@keyframes alberCheckmark {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.alber-confirmation-title {
    margin: 0 0 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #10b981;
}

.alber-confirmation-text {
    margin: 0 0 2rem;
    color: #64748b;
    font-size: 0.9375rem;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 600px) {
    .alber-popup-overlay {
        padding: 0;
        align-items: flex-start; /* Von oben statt unten */
        overflow-y: auto;
    }
    
    .alber-popup-content {
        max-height: none; /* Keine Max-Höhe, damit alles sichtbar */
        min-height: 100vh;
        border-radius: 0;
        margin: 0;
    }
    
    .alber-popup-close {
        position: fixed; /* Fixed statt absolute, damit immer sichtbar */
        top: 0.75rem;
        right: 0.75rem;
        z-index: 100;
        background: rgba(255,255,255,0.95);
        box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    }
    
    .alber-popup-header {
        padding: 1.25rem;
        padding-top: 3.5rem; /* Platz für den Close-Button */
    }
    
    .alber-popup-body {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
        padding-bottom: 2rem;
    }
    
    .alber-popup-progress {
        padding: 1rem;
        gap: 0.25rem;
    }
    
    .alber-step-label {
        display: none;
    }
    
    .alber-progress-line {
        margin-bottom: 0;
    }
    
    .alber-date-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .alber-slots-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Formular-Felder auf Mobile auch nebeneinander wenn Platz */
    .alber-form-row {
        grid-template-columns: 1fr 1fr;
    }
}