/* Booking-spezifische Styles - erweitert mit optimierter Zimmer-Darstellung */
/* Nutzt die zentralen CSS-Variablen aus styles.css */

/* Zusätzliche Variablen für die optimierte Buchungsmaske */
:root {
    --success-color: #27ae60;
    --border-color: #e0e0e0;
    --light-bg: #f8f9fa;
    --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    --card-shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.15);
    --card-shadow-selected: 0 8px 32px rgba(0, 191, 166, 0.3);
}

/* Progress Steps */
.progress-steps {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 1rem;
}

.progress-step {
    padding: 15px 30px;
    background: var(--light-bg);
    border-radius: 25px;
    font-weight: 600;
    color: var(--gray);
    border: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
}

.progress-step.active {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

.progress-step.completed {
    background: var(--success-color);
    color: white;
    border-color: var(--success-color);
}

.progress-step.completed::after {
    content: '✓';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
}

/* Booking Sections */
.booking-section {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.booking-section.disabled {
    opacity: 0.6;
    pointer-events: none;
}

.booking-section h3 {
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-family: 'Montserrat', sans-serif;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-number {
    background: var(--accent-blue);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.9rem;
}

.section-number.completed {
    background: var(--success-color);
}

/* Button Styling - erweitert zentrale Button-Styles aus styles.css */
.btn.btn-secondary {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    box-shadow: 0 4px 15px rgba(91, 134, 229, 0.3);
}

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

.btn:disabled {
    background: var(--gray);
    cursor: not-allowed;
    transform: none;
    opacity: 0.6;
}

.btn-link {
    background: none;
    border: 2px solid var(--accent);
    color: var(--dark);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-medium);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-link:hover {
    background: var(--accent);
    color: var(--dark);
    transform: translateY(-1px);
}

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

.price-range {
    display: flex;
    gap: 15px;
    align-items: center;
}

.price-range .form-control {
    flex: 1;
}

.price-range span {
    color: var(--gray);
    font-weight: 500;
}

/* Room Results */
.rooms-heading {
    margin: 2rem 0 1rem 0;
    color: var(--primary);
    font-family: 'Montserrat', sans-serif;
    font-size: 1.4rem;
}

.room-options {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* ======================================
   OPTIMIERTE ZIMMER-DARSTELLUNG
   ====================================== */

.room-options {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.room-card-optimized {
    background: var(--white);
    border-radius: var(--radius-large);
    box-shadow: var(--card-shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.room-card-optimized:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--accent-blue);
}

.room-card-optimized.selected {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(0, 191, 166, 0.05), rgba(91, 134, 229, 0.05));
    transform: translateY(-8px);
    box-shadow: var(--card-shadow-selected);
}

.room-card-optimized.selected::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent-blue));
    z-index: 1;
}

.room-card-optimized.selected::after {
    content: '✓ Ausgewählt';
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary);
    color: white;
    padding: 6px 12px;
    border-radius: var(--radius-round);
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
    animation: pulse-selected 2s infinite;
}

@keyframes pulse-selected {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.card-header-optimized {
    background: linear-gradient(135deg, var(--primary), var(--accent-blue));
    color: white;
    padding: 1.5rem;
    position: relative;
}

.room-number-optimized {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.room-type-badge-optimized {
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: var(--radius-round);
    font-size: 0.8rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
}

.price-highlight-optimized {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--accent);
    color: var(--dark);
    padding: 8px 16px;
    border-radius: var(--radius-medium);
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px rgba(255, 222, 89, 0.4);
    text-align: center;
}

.card-body-optimized {
    padding: 1.5rem;
}

.room-specs-optimized {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.spec-item-optimized {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--light-bg);
    border-radius: var(--radius-medium);
    transition: all 0.3s ease;
}

.spec-item-optimized:hover {
    background: rgba(91, 134, 229, 0.1);
    transform: translateX(2px);
}

.spec-icon-optimized {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    background: var(--primary);
    color: white;
    flex-shrink: 0;
}

.spec-content-optimized {
    flex: 1;
}

.spec-label-optimized {
    font-size: 0.8rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
    font-weight: 500;
}

.spec-value-optimized {
    font-weight: 600;
    color: var(--dark);
    font-size: 1rem;
}

.features-section-optimized {
    border-top: 1px solid var(--border);
    padding-top: 1rem;
}

.features-title-optimized {
    font-size: 0.9rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.features-list-optimized {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.feature-tag-optimized {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    color: white;
    padding: 6px 12px;
    border-radius: var(--radius-round);
    font-size: 0.8rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transition: all 0.3s ease;
}

.feature-tag-optimized:hover {
    transform: scale(1.05);
}

.feature-tag-optimized.premium {
    background: linear-gradient(135deg, var(--secondary), #e74c3c);
    animation: shimmer-premium 3s ease-in-out infinite;
}

@keyframes shimmer-premium {
    0%, 100% { box-shadow: 0 0 0 rgba(255, 82, 82, 0); }
    50% { box-shadow: 0 0 20px rgba(255, 82, 82, 0.4); }
}

.card-actions-optimized {
    padding: 0 1.5rem 1.5rem;
    display: flex;
    gap: 1rem;
}

.btn-select-optimized {
    flex: 1;
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-medium);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.btn-select-optimized:hover {
    background: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(91, 134, 229, 0.4);
}

.btn-details-optimized {
    background: transparent;
    color: var(--gray);
    border: 2px solid var(--border);
    padding: 0.75rem;
    border-radius: var(--radius-medium);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
}

.btn-details-optimized:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    transform: scale(1.1);
}

.availability-badge-optimized {
    position: absolute;
    bottom: 15px;
    left: 15px;
    background: var(--success-color);
    color: white;
    padding: 6px 12px;
    border-radius: var(--radius-round);
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    z-index: 1;
}

.availability-pulse-optimized {
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Loading State für optimierte Karten */
.room-card-optimized.loading {
    opacity: 0.7;
    pointer-events: none;
    position: relative;
}

.room-card-optimized.loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.8), transparent);
    animation: loading-shimmer 1.5s infinite;
    z-index: 3;
}

@keyframes loading-shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ======================================
   FALLBACK FÜR ALTE ZIMMER-KARTEN
   ====================================== */

.room-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.room-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(91, 134, 229, 0.2);
}

.room-card.selected {
    border-color: var(--accent-blue);
    background: rgba(91, 134, 229, 0.1);
    box-shadow: 0 4px 20px rgba(91, 134, 229, 0.3);
    transform: translateY(-2px);
}

.room-card.selected::before {
    content: '✓ Ausgewählt';
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--accent-blue);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: bold;
}

.room-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.room-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-family: 'Montserrat', sans-serif;
}

.room-type {
    background: var(--light-bg);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.9rem;
    color: var(--dark);
    font-weight: 500;
}

.room-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary);
    text-align: right;
}

.room-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--dark);
}

.detail-item .icon {
    width: 20px;
    height: 20px;
    background: var(--accent-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.8rem;
    font-weight: bold;
}

.room-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.feature-tag {
    background: var(--light-bg);
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    color: var(--dark);
}

.feature-tag.premium {
    background: linear-gradient(135deg, var(--secondary), #e74c3c);
    color: white;
    font-weight: 600;
}

/* ======================================
   SELECTED ROOM CARD (ZUSAMMENFASSUNG)
   ====================================== */

.selected-room-card {
    background: linear-gradient(135deg, rgba(0, 191, 166, 0.1), rgba(91, 134, 229, 0.1));
    border: 2px solid var(--primary);
    border-radius: var(--radius-large);
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 20px rgba(0, 191, 166, 0.15);
    animation: slideInUp 0.3s ease;
}

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

.selected-room-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(0, 191, 166, 0.2);
}

.selected-room-header h4 {
    color: var(--primary);
    font-family: 'Montserrat', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.selected-room-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.room-detail-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-medium);
    transition: all 0.3s ease;
}

.room-detail-item:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

.room-detail-item.price-highlight {
    background: linear-gradient(135deg, var(--accent), #f1c40f);
    color: var(--dark);
    font-weight: 600;
    grid-column: 1 / -1;
    border: 2px solid var(--secondary);
}

.detail-icon {
    font-size: 1.5rem;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    flex-shrink: 0;
}

.price-highlight .detail-icon {
    background: var(--secondary);
}

.detail-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}

.detail-label {
    font-size: 0.8rem;
    color: var(--gray);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-value {
    font-size: 1rem;
    color: var(--dark);
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
}

.price-highlight .detail-value {
    font-size: 1.2rem;
    color: var(--dark);
}

.selected-room-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(0, 191, 166, 0.2);
}

.selected-feature-tag {
    background: var(--primary);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-round);
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.selected-feature-tag.premium {
    background: linear-gradient(135deg, var(--secondary), #e74c3c);
    box-shadow: 0 2px 8px rgba(255, 82, 82, 0.3);
}

/* ======================================
   ERROR & NO ROOMS STATES
   ====================================== */

.no-rooms-found,
.error-display {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--gray);
    background: var(--white);
    border-radius: var(--radius-large);
    box-shadow: var(--card-shadow);
}

.no-rooms-found .no-rooms-icon,
.error-display .error-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.7;
}

.no-rooms-found h4,
.error-display h4 {
    color: var(--dark);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.no-rooms-found p,
.error-display p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

/* ======================================
   PERSONAL DATA FORM
   ====================================== */

.personal-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

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

/* ======================================
   FILE UPLOAD
   ====================================== */

.file-upload {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    background: var(--light-bg);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.file-upload:hover {
    border-color: var(--accent-blue);
    background: rgba(91, 134, 229, 0.05);
}

.file-upload.dragover {
    border-color: var(--accent-blue);
    background: rgba(91, 134, 229, 0.1);
}

.file-upload p {
    margin-top: 1rem;
    color: var(--gray);
    font-size: 0.9rem;
}

.file-upload svg {
    color: var(--gray);
    margin-bottom: 1rem;
}

.file-hint {
    font-size: 0.9rem;
    color: var(--gray);
    margin-top: 0.5rem;
    margin-bottom: 1rem;
}

.selected-file {
    margin-top: 0.5rem;
    padding: 0.5rem;
    background: var(--success-color);
    color: white;
    border-radius: 5px;
    display: none;
    font-size: 0.9rem;
    position: relative;
}

.selected-file.show {
    display: block;
}

.selected-file .remove-btn {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
}

/* ======================================
   RADIO AND CHECKBOX STYLING
   ====================================== */

.form-check {
    margin-bottom: 0.5rem;
}

.form-check input[type="radio"],
.form-check input[type="checkbox"] {
    margin-right: 0.5rem;
    transform: scale(1.2);
}

.form-check label {
    display: inline-block;
    margin-bottom: 0;
    font-weight: 400;
    cursor: pointer;
    line-height: 1.5;
}

/* Hidden sections */
.guarantor-docs {
    display: none;
}

.guarantor-docs.show {
    display: block;
}

/* Required indicator */
.required::after {
    content: ' *';
    color: var(--secondary);
}

/* Success messages */
.success-message {
    background: rgba(39, 174, 96, 0.1);
    border: 1px solid var(--success-color);
    color: var(--success-color);
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
    text-align: center;
    font-weight: 600;
}

/* Loading State */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--gray);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--light-bg);
    border-top: 4px solid var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.form-actions .btn {
    flex: 1;
    min-width: 200px;
    max-width: 300px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ======================================
   ACCESSIBILITY
   ====================================== */

.room-card-optimized:focus,
.room-card:focus {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

.room-card-optimized[aria-pressed="true"],
.room-card[aria-pressed="true"] {
    border-color: var(--primary);
}

/* ======================================
   RESPONSIVE DESIGN
   ====================================== */

@media (max-width: 768px) {
    .progress-steps {
        flex-direction: column;
        align-items: center;
    }

    /* Optimized Room Cards Mobile */
    .room-options {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 0 0.5rem;
    }

    .room-card-optimized {
        margin: 0;
    }

    .card-header-optimized {
        padding: 1rem;
    }

    .room-number-optimized {
        font-size: 1.5rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }

    .price-highlight-optimized {
        position: static;
        margin-top: 0.5rem;
        display: inline-block;
        font-size: 1rem;
        align-self: flex-start;
    }

    .room-specs-optimized {
        grid-template-columns: 1fr;
    }

    .spec-item-optimized {
        padding: 0.5rem;
    }

    .spec-icon-optimized {
        width: 2rem;
        height: 2rem;
        font-size: 1rem;
    }

    .card-actions-optimized {
        padding: 0 1rem 1rem;
        flex-direction: column;
    }

    .btn-details-optimized {
        align-self: center;
        min-width: 60px;
    }

    /* Legacy Room Cards Mobile */
    .room-card-header {
        flex-direction: column;
        gap: 1rem;
    }

    .room-price {
        text-align: left;
    }

    .room-details {
        grid-template-columns: 1fr;
    }

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

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

    .form-actions .btn {
        flex: none;
    }

    .filter-grid {
        grid-template-columns: 1fr;
    }

    .price-range {
        flex-direction: column;
        gap: 10px;
    }

    .price-range span {
        align-self: center;
    }

    /* Responsive Selected Room */
    .selected-room-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .selected-room-details {
        grid-template-columns: 1fr;
    }
    
    .room-detail-item.price-highlight {
        grid-column: 1;
    }
    
    .selected-room-card {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .booking-section {
        padding: 1rem;
    }

    .room-card,
    .room-card-optimized {
        padding: 1rem;
    }

    .card-header-optimized {
        padding: 0.75rem;
    }

    .room-number-optimized {
        font-size: 1.3rem;
    }

    .file-upload {
        padding: 1.5rem;
    }

    .progress-step {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    /* Mobile Selected Room */
    .room-detail-item {
        padding: 0.5rem;
    }
    
    .detail-icon {
        font-size: 1.2rem;
        width: 2rem;
        height: 2rem;
    }
    
    .selected-room-header h4 {
        font-size: 1.1rem;
    }

    .spec-icon-optimized {
        width: 1.8rem;
        height: 1.8rem;
        font-size: 0.9rem;
    }

    .spec-value-optimized {
        font-size: 0.9rem;
    }

    .feature-tag-optimized {
        font-size: 0.75rem;
        padding: 4px 8px;
    }
}