/**
 * EXULO Mobile - Viewport Lock & Carousel System
 * No-Scroll Architecture mit Swipe-Gesten
 * Version: 1.0.0
 */

/* ============================================
   VIEWPORT LOCK - Kein Scrollen der Seite
   ============================================ */

/* Body Lock wenn Viewport aktiv */
body.viewport-locked {
    height: 100dvh;
    overflow: hidden;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
}

/* Fallback für ältere Browser */
@supports not (height: 100dvh) {
    body.viewport-locked {
        height: 100vh;
    }
}

/* ============================================
   MOBILE VIEWPORT CONTAINER
   ============================================ */

.mobile-viewport {
    position: fixed;
    top: var(--header-height, 56px);
    bottom: var(--bottom-nav-height, 60px);
    left: 0;
    right: 0;
    overflow: hidden;
    background: transparent;
    /* Safe Area Support */
    top: calc(var(--header-height, 56px) + var(--safe-area-top, 0px));
    bottom: calc(var(--bottom-nav-height, 60px) + var(--safe-area-bottom, 0px));
}

/* Viewport ohne Header (z.B. Login) */
.mobile-viewport.no-header {
    top: var(--safe-area-top, 0px);
}

/* Viewport ohne Bottom Nav */
.mobile-viewport.no-nav {
    bottom: var(--safe-area-bottom, 0px);
}

/* ============================================
   HORIZONTAL CAROUSEL (Swipe Left/Right)
   ============================================ */

.swipe-carousel {
    display: flex;
    width: 100%;
    height: 100%;
    overflow-x: scroll;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    /* Performance */
    will-change: scroll-position;
    /* Verhindere Pull-to-Refresh */
    overscroll-behavior-x: contain;
}

/* Verstecke Scrollbar */
.swipe-carousel::-webkit-scrollbar {
    display: none;
}

.swipe-carousel {
    scrollbar-width: none;
    -ms-overflow-style: none;
}

/* Einzelnes Panel im Carousel */
.carousel-panel {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    /* Padding für Content */
    padding: var(--spacing-md, 16px);
    box-sizing: border-box;
}

/* Panel ohne internen Scroll */
.carousel-panel.no-scroll {
    overflow: hidden;
}

/* ============================================
   CAROUSEL INDICATORS (Dots)
   ============================================ */

.carousel-indicators {
    position: absolute;
    bottom: var(--spacing-md, 16px);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-xs, 4px);
    z-index: 10;
    padding: var(--spacing-xs, 4px) var(--spacing-sm, 8px);
    background: rgba(0, 0, 0, 0.5);
    border-radius: var(--radius-full, 9999px);
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted, #666);
    transition: all var(--transition-fast, 150ms) ease;
    cursor: pointer;
}

.carousel-dot.active {
    background: var(--color-primary, #00d4ff);
    box-shadow: 0 0 8px rgba(0, 212, 255, 0.5);
    width: 24px;
    border-radius: 4px;
}

/* ============================================
   TAB HEADER (für Carousel-Navigation)
   ============================================ */

.carousel-tabs {
    display: flex;
    background: var(--bg-card, #2a2a2a);
    border-bottom: 1px solid var(--border-color, #444);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.carousel-tabs::-webkit-scrollbar {
    display: none;
}

.carousel-tab {
    flex: 1;
    min-width: max-content;
    padding: var(--spacing-md, 16px) var(--spacing-lg, 24px);
    font-size: var(--font-size-sm, 0.875rem);
    font-weight: var(--font-weight-medium, 500);
    color: var(--text-secondary, #ccc);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast, 150ms) ease;
    white-space: nowrap;
}

.carousel-tab.active {
    color: var(--color-primary, #00d4ff);
    border-bottom-color: var(--color-primary, #00d4ff);
}

.carousel-tab:active {
    background: rgba(0, 212, 255, 0.1);
}

/* ============================================
   SWIPE HINT (Visual Affordance)
   ============================================ */

.swipe-hint {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    opacity: 0.3;
    transition: opacity var(--transition-base, 250ms) ease;
    z-index: 5;
}

.swipe-hint.left {
    left: 0;
    background: linear-gradient(to right, rgba(0, 212, 255, 0.2), transparent);
}

.swipe-hint.right {
    right: 0;
    background: linear-gradient(to left, rgba(0, 212, 255, 0.2), transparent);
}

.swipe-hint-icon {
    font-size: 24px;
    color: var(--color-primary, #00d4ff);
    animation: swipeHintPulse 2s ease-in-out infinite;
}

@keyframes swipeHintPulse {
    0%, 100% { opacity: 0.3; transform: translateX(0); }
    50% { opacity: 0.7; transform: translateX(5px); }
}

.swipe-hint.left .swipe-hint-icon {
    animation-name: swipeHintPulseLeft;
}

@keyframes swipeHintPulseLeft {
    0%, 100% { opacity: 0.3; transform: translateX(0); }
    50% { opacity: 0.7; transform: translateX(-5px); }
}

/* Verstecke Hint nach erstem Swipe */
.carousel-swiped .swipe-hint {
    display: none;
}

/* ============================================
   CONTENT GRID (für Panel-Inhalte)
   ============================================ */

.viewport-grid {
    display: grid;
    gap: var(--spacing-md, 16px);
    height: 100%;
}

/* 2 Spalten Grid */
.viewport-grid.cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

/* Auto-Rows für Cards */
.viewport-grid.auto-rows {
    grid-template-rows: repeat(auto-fill, minmax(80px, auto));
    align-content: start;
}

/* ============================================
   COMPACT CARDS (für Viewport-optimierte Darstellung)
   ============================================ */

.compact-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm, 8px);
    padding: var(--spacing-sm, 8px) var(--spacing-md, 16px);
    background: var(--bg-card, #2a2a2a);
    border: 1px solid var(--border-color, #444);
    border-radius: var(--radius-md, 8px);
    min-height: var(--touch-comfortable, 48px);
    cursor: pointer;
    transition: all var(--transition-fast, 150ms) ease;
}

.compact-card:active {
    background: var(--bg-card-elevated, #3a3a3a);
    border-color: var(--color-primary, #00d4ff);
}

.compact-card-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.compact-card-content {
    flex: 1;
    min-width: 0;
}

.compact-card-title {
    font-size: var(--font-size-sm, 0.875rem);
    font-weight: var(--font-weight-medium, 500);
    color: var(--text-primary, #fff);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.compact-card-subtitle {
    font-size: var(--font-size-xs, 0.75rem);
    color: var(--text-secondary, #ccc);
}

.compact-card-value {
    font-size: var(--font-size-lg, 1.125rem);
    font-weight: var(--font-weight-bold, 600);
    color: var(--color-primary, #00d4ff);
    text-align: right;
}

/* ============================================
   QUICK ACTION BUTTONS (im Viewport)
   ============================================ */

.quick-actions {
    display: flex;
    gap: var(--spacing-sm, 8px);
    padding: var(--spacing-sm, 8px) 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.quick-actions::-webkit-scrollbar {
    display: none;
}

.quick-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs, 4px);
    min-width: 72px;
    height: 72px;
    padding: var(--spacing-sm, 8px);
    background: var(--bg-card, #2a2a2a);
    border: 1px solid var(--border-color, #444);
    border-radius: var(--radius-md, 8px);
    color: var(--text-primary, #fff);
    font-size: var(--font-size-xs, 0.75rem);
    cursor: pointer;
    transition: all var(--transition-fast, 150ms) ease;
    flex-shrink: 0;
}

.quick-action-btn:active {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--color-primary, #00d4ff);
}

.quick-action-btn .icon {
    font-size: 24px;
}

/* ============================================
   PULL-DOWN REVEAL (Optional)
   ============================================ */

.pull-reveal {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 0;
    overflow: hidden;
    background: var(--bg-card, #2a2a2a);
    transition: height var(--transition-base, 250ms) ease;
    z-index: 20;
}

.pull-reveal.active {
    height: auto;
    max-height: 50dvh;
}

.pull-reveal-content {
    padding: var(--spacing-md, 16px);
}

.pull-reveal-handle {
    width: 40px;
    height: 4px;
    background: var(--border-color, #444);
    border-radius: 2px;
    margin: var(--spacing-sm, 8px) auto;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

/* Kleine Displays (iPhone SE) */
@media (max-height: 600px) {
    .carousel-panel {
        padding: var(--spacing-sm, 8px);
    }

    .compact-card {
        padding: var(--spacing-xs, 4px) var(--spacing-sm, 8px);
        min-height: var(--touch-min, 44px);
    }

    .quick-action-btn {
        min-width: 60px;
        height: 60px;
    }
}

/* Tablet/Landscape */
@media (min-width: 768px) {
    .carousel-panel {
        padding: var(--spacing-lg, 24px);
    }

    .viewport-grid.cols-2 {
        grid-template-columns: repeat(3, 1fr);
    }
}