/* ============================================================
   TIERLIST FRIDAY — Design System & Styles
   Aesthetic: Bold, editorial, high-contrast. NO neon. NO glow.
   Think: Spotify Wrapped, The Verge, modern sports graphics.
   ============================================================ */

/* --- Design Tokens --- */
:root {
    /* Background & Surface */
    --bg-deep: #111114;
    --bg-surface: #1a1a1f;
    --bg-card: #222228;
    --bg-elevated: #2a2a32;
    --bg-hover: #32323c;

    /* Text */
    --text-primary: #f0ece4;
    --text-secondary: #9d9a93;
    --text-muted: #6b6860;

    /* Tier Colors - Rich, saturated, confident */
    --tier-s: #e03e3e;
    --tier-s-bg: #3d1515;
    --tier-a: #d97b1e;
    --tier-a-bg: #3a2410;
    --tier-b: #c4a916;
    --tier-b-bg: #332d0e;
    --tier-c: #3aab5c;
    --tier-c-bg: #12301b;
    --tier-d: #3b82c4;
    --tier-d-bg: #132840;
    --tier-f: #696969;
    --tier-f-bg: #1e1e1e;

    /* Accents */
    --accent: #e8573a;
    --accent-hover: #f06b4f;
    --accent-muted: #c44b32;
    --success: #3aab5c;
    --error: #e03e3e;

    /* Typography */
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 40px;
    --space-2xl: 64px;

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;

    /* Transitions */
    --ease-snappy: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: var(--bg-deep);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
}

/* --- Utility --- */
.hidden { display: none !important; }

.view {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-lg);
    padding-bottom: 120px;
}

/* --- Logo Block --- */
.logo-block {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.logo-icon {
    font-size: 3rem;
    line-height: 1;
}

.logo-block h1 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 2.2rem;
    line-height: 1;
    letter-spacing: -1px;
    text-transform: uppercase;
    color: var(--text-primary);
}

.logo-accent {
    color: var(--accent);
    font-weight: 700;
}

.logo-block-sm .logo-icon {
    font-size: 1.8rem;
}

.logo-block-sm h1 {
    font-size: 1.1rem;
    letter-spacing: 2px;
}

/* --- Tagline --- */
.tagline {
    margin-top: var(--space-md);
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 440px;
}

/* --- Organizer Header --- */
.org-header {
    padding: var(--space-2xl) 0 var(--space-xl);
    border-bottom: 2px solid var(--bg-elevated);
    margin-bottom: var(--space-xl);
}

/* --- Sections --- */
.org-section {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--bg-elevated);
}

.org-section:last-child {
    border-bottom: none;
}

.section-header {
    display: flex;
    align-items: baseline;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.item-count {
    margin-left: auto;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--accent);
    letter-spacing: 0.3px;
}

.section-number {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--accent);
    letter-spacing: 1px;
}

.section-header h2 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
}

.section-optional {
    margin-left: auto;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 2px 8px;
    border: 1px solid var(--bg-elevated);
    border-radius: var(--radius-sm);
}

/* --- Inputs --- */
input[type="text"],
input[type="url"],
textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-card);
    border: 2px solid var(--bg-elevated);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s var(--ease-snappy);
}

input[type="text"]:focus,
input[type="url"]:focus,
textarea:focus {
    border-color: var(--accent);
}

input[type="text"]::placeholder,
input[type="url"]::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

textarea {
    resize: vertical;
    line-height: 1.6;
}

/* --- Input Row --- */
.input-row {
    display: flex;
    gap: var(--space-sm);
}

.input-row input {
    flex: 1;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.3px;
    cursor: pointer;
    transition: all 0.15s var(--ease-snappy);
    white-space: nowrap;
    user-select: none;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-secondary {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--bg-hover);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--bg-elevated);
    padding: var(--space-xs) var(--space-md);
}

.btn-ghost:hover {
    border-color: var(--text-muted);
    color: var(--text-primary);
}

.btn-hero {
    background: var(--accent);
    color: #fff;
    font-size: 1.1rem;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    width: 100%;
    letter-spacing: 0.5px;
}

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

.btn-hero:active {
    transform: translateY(0) scale(0.99);
}

.btn-sm {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.8rem;
}

.btn-danger {
    background: transparent;
    color: var(--error);
    border: none;
    padding: var(--space-xs);
    font-size: 0.85rem;
    opacity: 0.5;
}

.btn-danger:hover {
    opacity: 1;
}

/* --- Status Messages --- */
.status-msg {
    font-size: 0.85rem;
    margin-top: var(--space-sm);
    min-height: 1.4em;
}

.status-msg.success { color: var(--success); }
.status-msg.error { color: var(--error); }

/* --- Item List (Organizer) --- */
.item-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.item-entry {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    border: 1px solid var(--bg-elevated);
    transition: background 0.15s;
}

.item-entry:hover {
    background: var(--bg-elevated);
}

.item-entry-drag {
    cursor: grab;
    color: var(--text-muted);
    font-size: 1rem;
    padding: 0 var(--space-xs);
}

.item-entry-drag:active {
    cursor: grabbing;
}

.item-entry-name {
    flex: 1;
    font-weight: 500;
    font-size: 0.95rem;
}

.item-entry-img {
    color: var(--text-muted);
    font-size: 0.75rem;
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.item-entry-thumb {
    width: 28px;
    height: 28px;
    border-radius: 4px;
    object-fit: cover;
}

.item-count {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

/* --- Add Item Row --- */
.add-item-row {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.add-item-row input:first-child {
    flex: 2;
}

.add-item-row input:nth-child(2) {
    flex: 3;
}

/* --- Bulk Add --- */
.bulk-add-section {
    margin-top: var(--space-sm);
}

#bulk-add-area {
    margin-top: var(--space-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

#bulk-add-area .btn {
    align-self: flex-start;
}

/* --- Generated Link --- */
#generated-link-area {
    margin-top: var(--space-md);
}

.generated-link-row {
    display: flex;
    gap: var(--space-sm);
}

.generated-link-row input {
    flex: 1;
    font-family: monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ============================================================
   PARTICIPANT / TIER LIST VIEW
   ============================================================ */

.tier-header {
    padding: var(--space-lg) 0;
    border-bottom: 2px solid var(--bg-elevated);
    margin-bottom: var(--space-md);
}

.tier-header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.topic-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 2rem;
    letter-spacing: -1px;
    color: var(--text-primary);
}

/* --- Name Bar --- */
.name-bar {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    margin-bottom: var(--space-md);
}

.name-bar label {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.name-bar input {
    max-width: 260px;
}

/* --- Tier Container --- */
.tier-container {
    margin-bottom: var(--space-lg);
}

/* --- Capture Header (only visible in screenshot) --- */
.capture-header {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-surface);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    border-bottom: 2px solid var(--accent);
}

.capture-logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 1px;
    color: var(--accent);
}

.capture-topic {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-primary);
    flex: 1;
}

.capture-name {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* --- Tier Rows --- */
.tier-row {
    display: flex;
    min-height: 100px;
    border-bottom: 1px solid var(--bg-elevated);
}

.tier-row:first-child {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    overflow: hidden;
}

#tier-capture-zone > .tier-row:first-child {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.capture-header:not(.hidden) ~ .tier-row:first-child {
    border-radius: 0;
}

.tier-row:last-child {
    border-bottom: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    overflow: hidden;
}

/* --- Tier Labels --- */
.tier-label {
    width: 100px;
    min-width: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 2.2rem;
    letter-spacing: -1px;
    color: #fff;
    user-select: none;
}

.tier-s { background: var(--tier-s); }
.tier-a { background: var(--tier-a); }
.tier-b { background: var(--tier-b); }
.tier-c { background: var(--tier-c); }
.tier-d { background: var(--tier-d); }
.tier-f { background: var(--tier-f); }

/* --- Tier Item Drop Zone --- */
.tier-items {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    align-content: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm);
    min-height: 100px;
    transition: background 0.15s;
}

.tier-row[data-tier="S"] .tier-items { background: var(--tier-s-bg); }
.tier-row[data-tier="A"] .tier-items { background: var(--tier-a-bg); }
.tier-row[data-tier="B"] .tier-items { background: var(--tier-b-bg); }
.tier-row[data-tier="C"] .tier-items { background: var(--tier-c-bg); }
.tier-row[data-tier="D"] .tier-items { background: var(--tier-d-bg); }
.tier-row[data-tier="F"] .tier-items { background: var(--tier-f-bg); }

/* Sortable ghost/chosen states */
.tier-items .sortable-ghost {
    opacity: 0.35;
}

.tier-items .sortable-chosen {
    transform: scale(1.06);
    z-index: 10;
}

.tier-items .sortable-drag {
    opacity: 0.9;
}

/* --- Tier Item Cards --- */
.tier-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 110px;
    min-height: 84px;
    padding: var(--space-xs);
    background: var(--bg-card);
    border: 2px solid var(--bg-elevated);
    border-radius: var(--radius-sm);
    cursor: grab;
    user-select: none;
    transition: border-color 0.15s, transform 0.15s var(--ease-snappy);
    overflow: hidden;
}

.tier-item:hover {
    border-color: var(--text-muted);
}

.tier-item:active {
    cursor: grabbing;
}

.tier-item.selected-for-move {
    border-color: var(--accent);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(232, 87, 58, 0.4);
    z-index: 10;
}

.tier-item-img {
    width: 98px;
    height: 72px;
    object-fit: cover;
    border-radius: 3px;
    margin-bottom: 2px;
    pointer-events: none;
}

.tier-item-name {
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
    line-height: 1.2;
    color: var(--text-primary);
    word-break: break-word;
    max-width: 100%;
    pointer-events: none;
}

/* Text-only items (no image) get bigger text */
.tier-item--text-only {
    justify-content: center;
    padding: var(--space-sm) var(--space-xs);
}

.tier-item--text-only .tier-item-name {
    font-size: 0.95rem;
}

/* Color hash backgrounds for text items */
.tier-item--text-only {
    border-left: 3px solid var(--accent);
}

/* --- Pool Section --- */
.pool-section {
    margin-bottom: var(--space-lg);
}

.pool-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.pool-header h3 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.item-pool {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--bg-surface);
    border: 2px dashed var(--bg-elevated);
    border-radius: var(--radius-md);
    min-height: 90px;
    transition: border-color 0.15s;
}

.item-pool:empty::after {
    content: "All items ranked! 🎉";
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: auto;
}

/* --- Custom Item Form --- */
.custom-item-form {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
}

.custom-item-form input {
    flex: 1;
}

/* --- Share Bar --- */
.share-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-surface);
    border-top: 2px solid var(--bg-elevated);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
}

.share-bar .btn-hero {
    width: auto;
    min-width: 200px;
}

.share-bar .status-msg {
    margin-top: 0;
}

.share-buttons {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.btn-share {
    min-width: 180px;
}

.share-btn-text {
    pointer-events: none;
}

/* Loading state */
.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn.loading .share-btn-text::after {
    content: "...";
    animation: dots 1.2s steps(3) infinite;
}

@keyframes dots {
    0% { content: "."; }
    33% { content: ".."; }
    66% { content: "..."; }
}

/* --- Toast Notifications --- */
.toast-container {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-elevated);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    animation: toastIn 0.3s var(--ease-snappy);
    max-width: 360px;
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--error); }

.toast.leaving {
    animation: toastOut 0.3s var(--ease-snappy) forwards;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(40px); }
}

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

@media (max-width: 640px) {
    .view {
        padding: var(--space-md);
        padding-bottom: 100px;
    }

    .logo-block h1 {
        font-size: 1.6rem;
    }

    .logo-icon {
        font-size: 2.2rem;
    }

    .topic-title {
        font-size: 1.5rem;
    }

    .add-item-row {
        flex-direction: column;
    }

    .tier-label {
        width: 48px;
        min-width: 48px;
        font-size: 1.3rem;
    }

    .tier-item {
        width: 64px;
        min-height: 52px;
    }

    .tier-item-img {
        width: 44px;
        height: 32px;
    }

    .tier-item-name {
        font-size: 0.55rem;
    }

    .name-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .name-bar input {
        max-width: 100%;
    }

    .custom-item-form {
        flex-wrap: wrap;
    }

    .custom-item-form input {
        min-width: 100%;
    }

    .share-bar {
        padding: var(--space-md);
        flex-direction: column;
        gap: var(--space-sm);
    }

    .share-buttons {
        display: flex;
        width: 100%;
        flex-direction: column;
        gap: var(--space-sm);
        align-items: stretch;
    }

    .btn-share {
        min-width: 100%;
    }
}