/* ==========================================================================
   CSS Variables
   ========================================================================== */

:root {
    color-scheme: dark;
    --drawerScale: 1;
    --footerHeight: 4rem;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

* {
    -webkit-tap-highlight-color: transparent;
    box-sizing: border-box;
    -webkit-user-drag: none;
    user-select: none;
    -webkit-user-select: none;
}

html,
body {
    height: 100%;
    margin: 0;
    background: #1a1a1a;
    color: #e8f0fe;
    font-family:
        ui-sans-serif,
        system-ui,
        -apple-system,
        Segoe UI,
        Roboto,
        Inter,
        Arial;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   Gate / Disclaimer Modal
   ========================================================================== */

.gate {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: grid;
    place-items: center;
    padding: 1.5rem;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.gate-card {
    background: #1e1e1e;
    border: 1px solid #333;
    border-radius: 1.5rem;
    padding: 2rem;
    width: 100%;
    max-width: 28rem;
    max-height: 80vh;
    overflow: auto;
    text-align: center;
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.5);
    transform: scale(1);
    transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.gate-card h2 {
    margin: 0 0 1rem;
    color: #fff;
    font-size: 1.25rem;
    font-weight: 600;
}

.gate-card p {
    color: #aaa;
    margin: 0 0 2rem;
    line-height: 1.5;
    font-size: 0.9375rem;
    text-align: left;
}

.gate .actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.gate .actions button {
    padding: 0.875rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: transform 0.1s;
    background: #333;
    color: #fff;
}

.gate .actions button:active {
    transform: scale(0.96);
}

.gate .actions .leave {
    background: #ff3b30;
    color: #fff;
}

.gate .actions .enter {
    background: #333;
    color: #fff;
}

/* ==========================================================================
   Header
   ========================================================================== */

header {
    position: fixed;
    left: 0.75rem;
    bottom: calc(0.75rem + env(safe-area-inset-bottom) + var(--footerHeight));
    z-index: 6;
    pointer-events: none;
    transition:
        opacity 280ms,
        transform 280ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

header.hidden {
    opacity: 0;
    transform: translateX(-2rem);
    pointer-events: none;
}

.author,
.subreddit {
    font-size: clamp(0.8125rem, 2.64vw, 1rem);
    font-weight: 600;
}

.author {
    margin: 0;
    color: #bcd0ff;
}

.subreddit {
    margin: 0.375rem 0 0;
    color: #dbe7ff;
}

header h1 {
    margin: 0 0 0.375rem;
    max-width: min(92vw, 42.5rem);
    font-size: clamp(0.875rem, 3.12vw, 1.375rem);
    font-weight: 600;
    color: #e8eaff;
    line-height: 1.25;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* ==========================================================================
   Global Controls (Right Side)
   ========================================================================== */

.global-controls {
    position: fixed;
    right: 0.75rem;
    bottom: calc(1rem + env(safe-area-inset-bottom) + var(--footerHeight));
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    z-index: 10;
    transition:
        opacity 280ms,
        transform 280ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.global-controls.hidden {
    opacity: 0;
    transform: translateX(2rem);
    pointer-events: none;
}

.ctrl {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.375rem;
}

.btn {
    appearance: none;
    border: none;
    background: 0 0;
    color: #e8f0fe;
    padding: 0;
    width: 2.875rem;
    height: 2.875rem;
    border-radius: 0.75rem;
    display: grid;
    place-items: center;
    cursor: pointer;
    filter: drop-shadow(0 0.125rem 0.375rem rgba(0, 0, 0, 0.35));
}

.icon-btn img {
    width: 1.375rem;
    height: 1.375rem;
    pointer-events: none;
}

.count {
    font-size: 0.8125rem;
    color: #e8f0fe;
    opacity: 0.9;
    text-shadow: 0 0.0625rem 0.125rem rgba(0, 0, 0, 0.45);
    min-height: 1em;
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

.sr-only {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes bounce {
    0%,
    100% {
        transform: scale(1);
    }

    35% {
        transform: scale(1.25);
    }

    60% {
        transform: scale(0.92);
    }
}

.icon-btn img.bounce {
    animation: bounce 420ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

/* ==========================================================================
   Video Player / Scroller
   ========================================================================== */

.scroller {
    position: absolute;
    inset: 0;
    overflow: hidden;
    background: #1a1a1a;
    touch-action: none;
}

.card {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    background: #1a1a1a;
    user-select: none;
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    visibility: hidden;
}

.card.positioned {
    visibility: visible;
}

.inner {
    position: relative;
    width: 100vw;
    height: 100%;
    display: grid;
    justify-items: center;
    align-items: start;
    background: #1a1a1a;
    overflow: hidden;
}

.inner > video {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    max-width: 100vw;
    max-height: calc(
        100dvh - var(--footerHeight) - env(safe-area-inset-bottom)
    );
    object-fit: contain;
    display: block;
    background: #1a1a1a;
    opacity: 0;
    transition:
        opacity 180ms linear,
        transform 280ms cubic-bezier(0.2, 0.8, 0.2, 1);
    transform: scale(1) translateZ(0);
    transform-origin: center top;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    filter: brightness(1);
}

.card-thumb {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    max-width: 100vw;
    max-height: calc(
        100dvh - var(--footerHeight) - env(safe-area-inset-bottom)
    );
    object-fit: contain;
    z-index: 1;
    transform-origin: center top;
    transition: transform 280ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.spinner,
.err {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    pointer-events: none;
    z-index: 5;
}

.spinner:before {
    content: "";
    width: 2.8125rem;
    height: 2.8125rem;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.15);
    border-top-color: rgba(255, 255, 255, 0.85);
    animation: spin 1s linear infinite;
}

.err {
    padding: 0.75rem;
    color: #ffd7d7;
    background: linear-gradient(
        180deg,
        rgba(42, 13, 13, 0.7),
        rgba(42, 13, 13, 0.2)
    );
    border-top: 1px solid #5b1b1b;
    border-bottom: 1px solid #5b1b1b;
    font-size: 0.875rem;
    text-align: center;
    display: none;
}

.spinner.hidden {
    opacity: 0;
}

.spinner.gone {
    display: none;
}

/* ==========================================================================
   Vignette Overlay
   ========================================================================== */

.vignette {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    height: calc(25vh + env(safe-area-inset-bottom));
    pointer-events: none;
    z-index: 5;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.65), transparent);
}

/* ==========================================================================
   Backdrop
   ========================================================================== */

.backdrop {
    position: fixed;
    inset: 0;
    background: transparent;
    opacity: 0;
    pointer-events: none;
    transition: opacity 220ms;
    z-index: 20;
}

.backdrop.show {
    opacity: 1;
    pointer-events: auto;
}

/* ==========================================================================
   Comments Drawer
   ========================================================================== */

.drawer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    height: 55vh;
    background: #1e1e1e;
    border: 1px solid #333;
    border-bottom: none;
    border-radius: 1.5rem 1.5rem 0 0;
    transform: translateY(100%);
    transition: transform 280ms cubic-bezier(0.2, 0.8, 0.2, 1);
    z-index: 21;
    display: grid;
    grid-template-rows: auto 1fr;
    box-shadow: 0 -1rem 3rem rgba(0, 0, 0, 0.5);
}

.drawer.open {
    transform: translateY(0);
}

.drawer .grab {
    height: 2.75rem;
    display: grid;
    place-items: center;
}

.drawer .handle {
    width: 2.625rem;
    height: 0.3125rem;
    border-radius: 0.25rem;
    background: #555;
}

.drawer .comments {
    overflow: auto;
    padding: 0.5rem 0.75rem 0.75rem;
}

.drawer-open .inner.docked {
    align-items: flex-start;
}

.drawer-open .inner.docked > video,
.drawer-open .inner.docked > .card-thumb {
    transform: scale(var(--drawerScale)) translateZ(0);
    transform-origin: top center;
    max-height: calc(100vh - var(--footerHeight) - env(safe-area-inset-bottom));
    height: 100%;
}

/* ==========================================================================
   Comment Items
   ========================================================================== */

.c-item {
    padding: 0.625rem 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 6%);
}

.c-item.child {
    border-left: 2px solid rgba(255, 255, 255, 8%);
    margin-left: 0.625rem;
    padding-left: 0.625rem;
}

.c-meta {
    font-size: 0.75rem;
    color: #9aa7c1;
    margin-bottom: 0.25rem;
    display: flex;
    gap: 0.5rem;
}

.c-author {
    font-weight: 600;
    color: #d6e1ff;
}

.c-score {
    display: inline-flex;
    gap: 0.375rem;
    color: #e8f0fe;
    font-weight: 600;
    cursor: pointer;
}

.c-score img {
    width: 0.875rem;
    height: 0.875rem;
}

.c-body {
    font-size: 0.875rem;
    line-height: 1.4;
    color: #e8f0fe;
    white-space: pre-wrap;
}

.c-toggle {
    appearance: none;
    border: none;
    padding: 0.375rem 0.5rem;
    background: 0 0;
    color: #aeb7d1;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    cursor: pointer;
}

/* ==========================================================================
   Notifications
   ========================================================================== */

.notifier {
    position: fixed;
    top: max(0.75rem, env(safe-area-inset-top));
    left: 50%;
    transform: translate(-50%, 0);
    z-index: 9998;
    pointer-events: none;
}

.notice {
    max-width: 88vw;
    background: #1e1e1e;
    border: 1px solid #333;
    color: #fff;
    padding: 0.875rem 1.25rem;
    border-radius: 999px;
    font-size: 0.875rem;
    line-height: 1.4;
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0;
    transform: translateY(-1rem);
    transition:
        opacity 180ms,
        transform 260ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.notice.show {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Footer Navigation
   ========================================================================== */

footer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    height: calc(var(--footerHeight) + env(safe-area-inset-bottom));
    background: #000;
    display: flex;
    justify-content: center;
    gap: 1.375rem;
    padding: 0 0.75rem env(safe-area-inset-bottom);
    z-index: 50;
    filter: drop-shadow(0 0.125rem 0.375rem rgba(0, 0, 0, 0.35));
}

.footer-indicator {
    position: absolute;
    bottom: 0.45rem;
    width: 0.3rem;
    height: 0.3rem;
    border-radius: 999px;
    background: #ffffff;
    opacity: 0;
    transform: translateX(0);
    transition:
        opacity 160ms ease,
        transform 180ms ease;
    pointer-events: none;
}

.footer-indicator.visible {
    opacity: 1;
}

/* ==========================================================================
   Views Container (Home / Saved / Settings)
   ========================================================================== */

.views-container {
    position: fixed;
    inset: 0;
    z-index: 4;
    overflow: hidden;
    pointer-events: none;
}

.views-slider {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 300vw;
    display: flex;
    transition: transform 320ms cubic-bezier(0.2, 0.8, 0.2, 1);
    transform: translateX(0);
}

.views-slider.view-home {
    transform: translateX(0);
}

.views-slider.view-saved {
    transform: translateX(-100vw);
}

.views-slider.view-settings {
    transform: translateX(-200vw);
}

.view-panel {
    width: 100vw;
    height: 100%;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    background: #1a1a1a;
    pointer-events: auto;
    overflow: auto;
    touch-action: pan-y;
    padding-bottom: calc(var(--footerHeight) + env(safe-area-inset-bottom));
}

.view-panel.home-panel {
    pointer-events: auto;
    background: #1a1a1a;
    padding: 0;
    overflow: hidden;
    position: relative;
}

.view-panel.saved-panel {
    position: relative;
    overflow: hidden;
    padding-bottom: 0;
}

.view-panel .empty-message {
    text-align: center;
    color: #9aa7c1;
    font-size: clamp(1rem, 3.6vw, 1.25rem);
    line-height: 1.5;
    max-width: 28rem;
    margin: auto;
    padding: 2rem;
}

/* ==========================================================================
   Saved Panel Header
   ========================================================================== */

.saved-header {
    padding: max(1.5rem, env(safe-area-inset-top) + 1rem) 1.25rem 1rem;
    text-align: center;
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.95),
        rgba(0, 0, 0, 0.7)
    );
}

.saved-title-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.saved-header h2 {
    margin: 0;
    font-size: clamp(1.125rem, 4vw, 1.5rem);
    font-weight: 700;
    color: #e8eaff;
}

.info-tooltip-container {
    position: relative;
    display: flex;
    align-items: center;
    cursor: help;
}

.info-icon {
    width: 1.125rem;
    height: 1.125rem;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.info-tooltip-container:hover .info-icon {
    opacity: 1;
}

.tooltip-text {
    visibility: hidden;
    width: 160px;
    background-color: rgba(0, 0, 0, 0.9);
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 6px 8px;
    position: absolute;
    z-index: 1;
    left: 100%;
    top: 50%;
    margin-left: 0.5rem;
    font-size: 0.75rem;
    opacity: 0;
    transition:
        opacity 0.2s,
        transform 0.2s;
    transform: translateY(-50%) translateX(-0.25rem);
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-weight: 500;
    line-height: 1.3;
}

.info-tooltip-container:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

/* ==========================================================================
   Gallery Container
   ========================================================================== */

.gallery-container {
    position: absolute;
    inset: 0;
    touch-action: pan-y;
    top: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition:
        opacity 240ms ease,
        transform 240ms cubic-bezier(0.2, 0.8, 0.2, 1);
    transform-origin: center;
}

.gallery-container.hidden {
    opacity: 0;
    pointer-events: none;
    transform: scale(0.95);
}

/* ==========================================================================
   Gallery Grid
   ========================================================================== */

.gallery-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: calc((100% - 0.5rem) / 2);
    gap: 0.5rem;
    padding: 0.5rem;
    padding-bottom: calc(
        var(--footerHeight) + env(safe-area-inset-bottom) + 0.5rem
    );
    overflow-y: auto;
    overflow-x: hidden;
    touch-action: pan-y;
}

.gallery-placeholder {
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px dashed rgba(255, 255, 255, 0.1);
    min-height: 0;
    touch-action: pan-y;
    pointer-events: none;
}

.gallery-item {
    position: relative;
    border-radius: 0.5rem;
    overflow: hidden;
    background: #0f1115;
    cursor: pointer;
    transition:
        transform 180ms ease,
        box-shadow 180ms ease;
    min-height: 0;
    touch-action: pan-y;
}

.gallery-item .thumb {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    pointer-events: none;
}

.gallery-item:hover {
    transform: scale(1.02);
    box-shadow: 0 0.25rem 1rem rgba(0, 0, 0, 0.5);
}

.gallery-item .play-icon {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    background: rgba(0, 0, 0, 0.3);
    pointer-events: none;
}

.gallery-item .play-icon::before {
    content: "";
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 1rem 0 1rem 1.5rem;
    border-color: transparent transparent transparent rgba(255, 255, 255, 0.9);
    margin-left: 0.25rem;
}

/* ==========================================================================
   Saved Viewer (Fullscreen)
   ========================================================================== */

.saved-viewer {
    position: absolute;
    inset: 0;
    background: #1a1a1a;
    z-index: 10;
    display: none;
    overflow: hidden;
    touch-action: none;
    opacity: 0;
    transform: scale(0.92);
    transform-origin: center;
    transition:
        opacity 240ms ease,
        transform 240ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.saved-viewer.active {
    display: block;
    opacity: 1;
    transform: scale(1);
}

.saved-viewer-back {
    position: fixed;
    left: max(0.75rem, env(safe-area-inset-left));
    top: max(0.75rem, env(safe-area-inset-top));
    z-index: 15;
    appearance: none;
    border: none;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(0.5rem);
    color: #e8f0fe;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: background 180ms ease;
}

.saved-viewer-back:hover {
    background: rgba(0, 0, 0, 0.7);
}

.saved-viewer-back::before {
    content: "";
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0.5rem 0.75rem 0.5rem 0;
    border-color: transparent #e8f0fe transparent transparent;
    margin-right: 0.125rem;
}

#savedViewerContent {
    width: 100%;
    height: 100%;
}

/* ==========================================================================
   Confirmation Modal
   ========================================================================== */

.confirm-modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: grid;
    place-items: center;
    padding: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.confirm-modal.active {
    opacity: 1;
    pointer-events: all;
}

.confirm-card {
    background: #1e1e1e;
    border: 1px solid #333;
    border-radius: 1.5rem;
    padding: 2rem;
    width: 100%;
    max-width: 24rem;
    text-align: center;
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.5);
    transform: scale(0.95);
    transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.confirm-modal.active .confirm-card {
    transform: scale(1);
}

.confirm-card h2 {
    margin: 0 0 1rem;
    color: #fff;
    font-size: 1.25rem;
}

.confirm-card p {
    color: #aaa;
    margin: 0 0 2rem;
    line-height: 1.5;
}

.confirm-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.confirm-btn {
    padding: 0.875rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: transform 0.1s;
}

.confirm-btn:active {
    transform: scale(0.96);
}

.confirm-btn.cancel {
    background: #333;
    color: #fff;
}

.confirm-btn.danger {
    background: #ff3b30;
    color: #fff;
}