/* ═══════════════════════════════════════════════════
   Claude News — Design System
   Based on "Gute Nachrichten" newsletter DNA
   ═══════════════════════════════════════════════════ */

:root {
    --sky:       #c5e8f7;
    --sun:       #fde68a;
    --navy:      #1e3a5f;
    --ocean:     #5bb3d9;
    --ocean-lt:  #c5e8f4;
    --sand:      #f5f4f0;
    --white:     #ffffff;
    --ink:       #1a1a1a;
    --ink-lt:    #444444;
    --sep:       #e8e6e0;
    --sep-lt:    #f0ede6;
    --muted:     #aaaaaa;
    --sun-soft:  #fef9e7;
    --sky-soft:  #eef7fc;
    --radius:    6px;
    --max-w:     780px;
    --font-body: 'Georgia', 'Times New Roman', serif;
    --font-ui:   -apple-system, 'Helvetica Neue', Arial, sans-serif;
}

[data-theme="dark"] {
    --sky:       #1a3348;
    --sun:       #d4a843;
    --navy:      #0f1f33;
    --ocean:     #6bc0e0;
    --ocean-lt:  #1f3d52;
    --sand:      #141a20;
    --white:     #1c232b;
    --ink:       #e4e6e9;
    --ink-lt:    #b0b5bc;
    --sep:       #2a333d;
    --sep-lt:    #1f272f;
    --muted:     #6b7280;
    --sun-soft:  #2a2215;
    --sky-soft:  #151e28;
}

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

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

body {
    font-family: var(--font-body);
    background: var(--sand);
    color: var(--ink);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ── Navigation ────────────────────────────────────── */

.nav {
    background: var(--navy);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 8px rgba(0,0,0,.12);
}

.nav-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.nav-logo {
    width: 28px;
    height: 28px;
    border-radius: 50%;
}

.nav-title {
    font-family: var(--font-ui);
    font-size: 15px;
    font-weight: 600;
    color: var(--white);
    letter-spacing: .5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-link {
    font-family: var(--font-ui);
    font-size: 12px;
    color: rgba(255,255,255,.65);
    text-decoration: none;
    letter-spacing: .8px;
    text-transform: uppercase;
    transition: color .2s;
}

.nav-link:hover, .nav-link.active { color: var(--white); }

.nav-logout { color: rgba(255,255,255,.4); }
.nav-logout:hover { color: var(--sun); }

.nav-user {
    font-family: var(--font-ui);
    font-size: 11px;
    color: var(--ocean);
    padding: 4px 10px;
    border: 1px solid rgba(91,179,217,.3);
    border-radius: 20px;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 4px;
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: .2s;
}

/* ── Main ──────────────────────────────────────────── */

.main {
    flex: 1;
    max-width: var(--max-w);
    width: 100%;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Header Banner ─────────────────────────────────── */

.hero {
    margin: 32px -24px 0;
    border-radius: var(--radius);
    overflow: hidden;
}

.hero-img {
    width: 100%;
    display: block;
}

/* ── Greeting + Date Bar ───────────────────────────── */

.greeting-bar {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 28px 0 20px;
    border-bottom: 1px solid var(--sep);
    margin-bottom: 28px;
}

.greeting {
    font-family: var(--font-ui);
    font-size: 14px;
    color: var(--navy);
    font-weight: 600;
}

.date-label {
    font-family: var(--font-ui);
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

/* ── Category Filters ──────────────────────────────── */

.filters {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.filter-pill {
    font-family: var(--font-ui);
    font-size: 11px;
    letter-spacing: .8px;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--sep);
    background: var(--white);
    color: var(--ink-lt);
    cursor: pointer;
    transition: all .2s;
    text-decoration: none;
}

.filter-pill:hover {
    border-color: var(--ocean);
    color: var(--ocean);
}

.filter-pill.active {
    background: var(--navy);
    color: var(--white);
    border-color: var(--navy);
}

.filter-pill-modifier.active {
    background: var(--ocean);
    color: #fff;
    border-color: var(--ocean);
}

/* ── My Articles Section ──────────────────────────── */

.my-articles-section {
    margin-bottom: 32px;
}

.section-label {
    font-family: var(--font-ui);
    font-size: 9px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--sep);
}

.my-articles-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: var(--sep-lt);
    border-radius: var(--radius);
    overflow: visible;
}

.my-articles-list > :first-child { border-radius: var(--radius) var(--radius) 0 0; }
.my-articles-list > :last-child { border-radius: 0 0 var(--radius) var(--radius); }
.my-articles-list > :only-child { border-radius: var(--radius); }

.my-article-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 20px;
    background: var(--white);
    text-decoration: none;
    transition: background .15s;
    flex: 1;
    min-width: 0;
}

.my-article-row {
    display: flex;
    align-items: center;
    background: var(--white);
    transition: background .15s;
}

.my-article-row:hover {
    background: var(--sky-soft);
}

.my-article-row:hover .my-article-item {
    background: transparent;
}

.my-article-actions {
    position: relative;
    flex-shrink: 0;
    padding-right: 12px;
}

.btn-article-menu {
    background: none;
    border: none;
    font-size: 18px;
    color: var(--muted);
    cursor: pointer;
    padding: 6px 8px;
    border-radius: 4px;
    line-height: 1;
    transition: background .15s, color .15s;
}

.btn-article-menu:hover {
    background: var(--sep-lt);
    color: var(--ink);
}

.article-dropdown {
    display: none;
    position: absolute;
    right: 12px;
    top: 100%;
    background: var(--white);
    border: 1px solid var(--sep-lt);
    border-radius: var(--radius);
    box-shadow: 0 4px 16px rgba(0,0,0,.12);
    z-index: 100;
    min-width: 180px;
    overflow: hidden;
}

.article-dropdown.open {
    display: block;
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: 10px 16px;
    border: none;
    background: none;
    font-size: 13px;
    font-family: var(--font-ui);
    color: var(--ink);
    text-align: left;
    cursor: pointer;
    transition: background .15s;
    white-space: nowrap;
    text-decoration: none;
}

.dropdown-item:hover {
    background: var(--sky-soft);
}

.dropdown-divider {
    height: 1px;
    background: var(--sep);
    margin: 4px 0;
}

[data-theme="dark"] .dropdown-divider {
    background: #2a3b50;
}

.dropdown-delete {
    color: #c0392b;
}

.dropdown-delete:hover {
    background: #fdf0ef;
}

.my-article-cat {
    font-family: var(--font-ui);
    font-size: 9px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--ocean);
    min-width: 100px;
    flex-shrink: 0;
}

.my-article-title {
    flex: 1;
    font-size: 15px;
    color: var(--ink);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.my-article-meta {
    font-family: var(--font-ui);
    font-size: 11px;
    color: var(--muted);
    flex-shrink: 0;
}

/* ── Topic Cards ───────────────────────────────────── */

.topics-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding-bottom: 48px;
}

.topic-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 28px 32px;
    border: 1px solid var(--sep-lt);
    transition: border-color .2s, box-shadow .2s;
}

.topic-card:hover {
    border-color: var(--ocean-lt);
    box-shadow: 0 2px 12px rgba(91,179,217,.08);
}

.topic-meta-line {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 10px;
}

.topic-category {
    font-family: var(--font-ui);
    font-size: 9px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--ocean);
}

.topic-date {
    font-family: var(--font-ui);
    font-size: 11px;
    color: var(--muted);
}

.topic-title {
    font-size: 20px;
    font-weight: normal;
    line-height: 1.35;
    color: var(--ink);
    margin-bottom: 10px;
}

.topic-summary {
    font-size: 15px;
    line-height: 1.7;
    color: var(--ink-lt);
    margin-bottom: 16px;
}

.topic-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.topic-sources {
    font-family: var(--font-ui);
    font-size: 11px;
    color: var(--muted);
}

.topic-sources a {
    color: var(--ocean);
    text-decoration: none;
    margin-right: 10px;
    border-bottom: 1px solid var(--ocean-lt);
    padding-bottom: 1px;
    transition: color .2s;
}

.topic-sources a:hover {
    color: var(--navy);
    border-color: var(--navy);
}

.btn-create {
    font-family: var(--font-ui);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 8px 18px;
    background: var(--sun);
    color: var(--navy);
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all .2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-create:hover {
    background: #fcd34d;
    box-shadow: 0 2px 8px rgba(253,230,138,.5);
}

.btn-create:disabled {
    opacity: .5;
    cursor: wait;
}

.btn-create .icon { font-size: 14px; }

.btn-read {
    text-decoration: none;
    background: var(--navy);
    color: var(--white);
}

.btn-read:hover {
    background: #2a4f7a;
    box-shadow: 0 2px 8px rgba(30,58,95,.25);
}

.btn-create-new {
    background: var(--white);
    color: var(--navy);
    border: 1px solid var(--sep);
}

.btn-create-new:hover {
    border-color: var(--ocean);
    background: var(--sky-soft);
    box-shadow: none;
}

.create-group {
    display: inline-flex;
    gap: 4px;
    align-items: center;
}

.topic-actions-wrap {
    position: relative;
}

.topic-actions-wrap .btn-article-menu {
    font-size: 16px;
    padding: 8px 10px;
}

.topic-actions-wrap .article-dropdown {
    right: 0;
    top: calc(100% + 4px);
}

/* ── Modal Options ─────────────────────────────────── */

.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(30,58,95,.8);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius);
    max-width: 500px;
    width: 100%;
    position: relative;
    box-shadow: 0 10px 40px rgba(0,0,0,.15);
    transform: translateY(20px);
    transition: transform .3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--ink-lt);
    cursor: pointer;
    line-height: 1;
    padding: 4px;
    transition: color .2s;
}

.modal-close:hover {
    color: var(--ocean);
}

.modal-title {
    font-family: var(--font-heading);
    font-size: 22px;
    color: var(--navy);
    margin-bottom: 8px;
}

.modal-desc {
    font-size: 13px;
    color: var(--ink-lt);
    margin-bottom: 24px;
}

.modal-section {
    margin-bottom: 24px;
}

.modal-section h4 {
    font-family: var(--font-ui);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--muted);
    margin-bottom: 12px;
}

.options-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.option-card {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 16px;
    border: 1px solid var(--sep);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all .2s;
    background: var(--white);
}

.option-card input {
    display: none;
}

.option-card .option-label {
    font-family: var(--font-ui);
    font-size: 13px;
    color: var(--ink);
}

.option-card:hover {
    border-color: var(--ocean);
    background: var(--sky-soft);
}

.option-card:has(input:checked) {
    border-color: var(--ocean);
    background: var(--ocean);
}

.option-card:has(input:checked) .option-label {
    color: var(--white);
    font-weight: 600;
}

.modal-btn-create {
    width: 100%;
    justify-content: center;
    margin-top: 8px;
    font-size: 13px;
    padding: 12px;
}

/* ── Article View ──────────────────────────────────── */

.article-header {
    padding: 32px 0 24px;
    border-bottom: 1px solid var(--sep);
    margin-bottom: 32px;
}

.article-back {
    font-family: var(--font-ui);
    font-size: 11px;
    color: var(--ocean);
    text-decoration: none;
    letter-spacing: .8px;
    text-transform: uppercase;
    margin-bottom: 20px;
    display: inline-block;
    transition: color .2s;
}

.article-back:hover { color: var(--navy); }

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.article-cat {
    font-family: var(--font-ui);
    font-size: 9px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--ocean);
}

.article-date {
    font-family: var(--font-ui);
    font-size: 11px;
    color: var(--muted);
}

.article-h1 {
    font-size: 30px;
    font-weight: normal;
    line-height: 1.3;
    color: var(--ink);
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.article-h1-text {
    flex: 1;
}

.article-image {
    margin: 0 -24px 32px;
    border-radius: var(--radius);
    overflow: hidden;
}

.article-image img {
    width: 100%;
    display: block;
}

.article-image-credit {
    font-family: var(--font-ui);
    font-size: 10px;
    color: var(--muted);
    padding: 8px 24px;
    background: var(--sand);
}

.article-content {
    font-size: 17px;
    line-height: 1.8;
    padding-bottom: 32px;
}

.article-content p { margin-bottom: 20px; }

.article-content h2 {
    font-size: 22px;
    font-weight: normal;
    margin: 36px 0 16px;
    color: var(--ink);
}

.article-content h3 {
    font-family: var(--font-ui);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--navy);
    margin: 28px 0 12px;
}

.article-content blockquote {
    border-left: 3px solid var(--ocean-lt);
    margin: 24px 0;
    padding: 12px 24px;
    color: var(--ink-lt);
    font-style: italic;
}

.article-sources-box {
    background: var(--sky-soft);
    border-radius: var(--radius);
    padding: 24px 28px;
    margin: 32px 0;
}

.article-sources-box h3 {
    font-family: var(--font-ui);
    font-size: 9px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--navy);
    margin-bottom: 12px;
}

.article-sources-box ol {
    list-style: none;
    counter-reset: src;
    padding: 0;
}

.article-sources-box li {
    counter-increment: src;
    font-family: var(--font-ui);
    font-size: 13px;
    color: var(--ink-lt);
    padding: 6px 0;
    border-bottom: 1px solid var(--ocean-lt);
}

.article-sources-box li:last-child { border-bottom: none; }

.article-sources-box li::before {
    content: "[" counter(src) "]";
    color: var(--ocean);
    font-weight: 600;
    margin-right: 8px;
}

.article-sources-box a {
    color: var(--ocean);
    text-decoration: none;
}

.article-sources-box a:hover { text-decoration: underline; }

.article-gen-info {
    font-family: var(--font-ui);
    font-size: 11px;
    color: var(--muted);
    padding: 20px 0;
    border-top: 1px solid var(--sep);
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ── Custom Topic Card ────────────────────────────── */

.custom-topic-input {
    width: 100%;
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.6;
    padding: 12px 16px;
    border: 1px solid var(--sep);
    border-radius: var(--radius);
    background: var(--sand);
    color: var(--ink);
    resize: vertical;
    margin-bottom: 16px;
    transition: border-color .2s;
}

.custom-topic-input:focus {
    outline: none;
    border-color: var(--ocean);
}

.custom-topic-input::placeholder {
    color: var(--muted);
}

[data-theme="dark"] .custom-topic-input {
    background: var(--sand);
    border-color: var(--sep);
}

.topic-card-custom {
    border-style: dashed;
}

/* ── Article Actions ──────────────────────────────── */

.article-actions {
    display: flex;
    gap: 8px;
    padding: 16px 0;
    flex-wrap: wrap;
}

.btn-action {
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .5px;
    padding: 8px 16px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all .2s;
    border: 1px solid var(--sep);
    background: var(--white);
    color: var(--ink-lt);
}

.btn-action:hover {
    border-color: var(--ocean);
    color: var(--ocean);
}

.btn-share[data-shared="1"] {
    background: var(--sky-soft);
    border-color: var(--ocean-lt);
    color: var(--ocean);
}

.btn-delete:hover {
    border-color: #e53e3e;
    color: #e53e3e;
    background: #fff5f5;
}

[data-theme="dark"] .btn-delete:hover {
    background: #2d1b1b;
}

.article-author {
    color: var(--ocean);
    font-style: italic;
}

/* ── Shared Article Badge (Home) ─────────────────── */

.shared-badge {
    font-family: var(--font-ui);
    font-size: 10px;
    color: var(--muted);
    font-style: italic;
}

/* ── Style Badge ──────────────────────────────────── */

.style-badge {
    display: inline-block;
    font-family: var(--font-ui);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .8px;
    text-transform: uppercase;
    color: var(--ocean);
    background: var(--sky-soft);
    border: 1px solid var(--sep-lt);
    padding: 2px 8px;
    border-radius: 3px;
    vertical-align: middle;
    position: relative;
    top: -2px;
}

.article-h1 .style-badge {
    font-size: 11px;
    padding: 3px 10px;
    flex-shrink: 0;
    position: relative;
    top: 0;
}

[data-theme="dark"] .style-badge {
    color: var(--sun);
    background: rgba(212,168,67,.12);
    border-color: rgba(212,168,67,.25);
}

.favorite-star {
    color: var(--sun);
}

[data-theme="dark"] .favorite-star {
    color: var(--sun);
}

/* ── TTS Player ───────────────────────────────────── */

.article-tts {
    margin-top: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-tts {
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .5px;
    padding: 8px 16px;
    background: var(--sky-soft);
    color: var(--navy);
    border: 1px solid var(--ocean-lt);
    border-radius: 20px;
    cursor: pointer;
    transition: all .2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.btn-tts:hover {
    background: var(--ocean-lt);
    border-color: var(--ocean);
}

.btn-tts:disabled {
    opacity: .6;
    cursor: wait;
}

.btn-tts.loading .tts-icon {
    animation: tts-pulse 1s ease-in-out infinite;
}

@keyframes tts-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: .3; }
}

.tts-player {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
}

.tts-player.hidden { display: none; }

.tts-control {
    font-size: 14px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--navy);
    padding: 4px;
    line-height: 1;
    flex-shrink: 0;
}

.tts-progress-wrap {
    flex: 1;
    height: 4px;
    background: var(--sep);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
    min-width: 80px;
}

.tts-progress {
    height: 100%;
    background: var(--ocean);
    border-radius: 2px;
    width: 0%;
    transition: width .1s linear;
}

.tts-time {
    font-family: var(--font-ui);
    font-size: 11px;
    color: var(--muted);
    flex-shrink: 0;
    min-width: 32px;
    text-align: right;
}

/* ── Conversation Thread ───────────────────────────── */

.conversation {
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--sep);
}

.conversation-title {
    font-family: var(--font-ui);
    font-size: 9px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 20px;
}

.conv-msg {
    padding: 16px 0;
    border-bottom: 1px solid var(--sep-lt);
}

.conv-msg:last-of-type { border-bottom: none; }

.conv-role {
    font-family: var(--font-ui);
    font-size: 10px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 6px;
}

.conv-role-user { color: var(--navy); }
.conv-role-assistant { color: var(--ocean); }

.conv-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--ink-lt);
}

.conv-input {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.conv-input input {
    flex: 1;
    font-family: var(--font-body);
    font-size: 15px;
    padding: 12px 16px;
    border: 1px solid var(--sep);
    border-radius: var(--radius);
    background: var(--white);
    color: var(--ink);
    transition: border-color .2s;
}

.conv-input input:focus {
    outline: none;
    border-color: var(--ocean);
}

.conv-input button {
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 600;
    padding: 12px 20px;
    background: var(--navy);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background .2s;
}

.conv-input button:hover { background: #2a4f7a; }
.conv-input button:disabled { opacity: .5; cursor: wait; }

/* ── Inline Wave Loader (conversation) ────────────── */

.wave-loader-inline {
    display: inline-flex;
    gap: 2px;
    margin: 0;
    vertical-align: middle;
    height: 14px;
}

.wave-loader-inline span {
    width: 2px;
    height: 10px;
    border-radius: 1px;
    animation: wave 1.2s ease-in-out infinite;
}

.wave-loader-inline span:nth-child(1) { background: var(--sky); animation-delay: 0s; }
.wave-loader-inline span:nth-child(2) { background: var(--ocean); animation-delay: .1s; }
.wave-loader-inline span:nth-child(3) { background: var(--sun); animation-delay: .2s; }
.wave-loader-inline span:nth-child(4) { background: var(--ocean); animation-delay: .3s; }
.wave-loader-inline span:nth-child(5) { background: var(--sky); animation-delay: .4s; }

/* ── Formatted Conversation Text ──────────────────── */

.conv-text-formatted p { margin-bottom: 12px; }
.conv-text-formatted p:last-child { margin-bottom: 0; }

.conv-text-formatted strong { font-weight: 600; color: var(--ink); }

.conv-text-formatted ul, .conv-text-formatted ol {
    margin: 8px 0 12px 20px;
}

.conv-text-formatted li {
    margin-bottom: 4px;
    line-height: 1.6;
}

.conv-text-formatted h2, .conv-text-formatted h3 {
    font-family: var(--font-ui);
    font-weight: 600;
    color: var(--navy);
    margin: 16px 0 8px;
}

.conv-text-formatted h2 { font-size: 16px; }
.conv-text-formatted h3 { font-size: 14px; }

.conv-text-formatted blockquote {
    border-left: 3px solid var(--ocean-lt);
    padding: 6px 16px;
    margin: 8px 0;
    color: var(--ink-lt);
    font-style: italic;
}

/* ── Settings ──────────────────────────────────────── */

.settings-page { padding: 32px 0 48px; }

.settings-page h1 {
    font-size: 26px;
    font-weight: normal;
    margin-bottom: 32px;
}

.settings-section {
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--sep-lt);
    padding: 28px 32px;
    margin-bottom: 20px;
}

.settings-section-title {
    font-family: var(--font-ui);
    font-size: 9px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--sep);
}

.checkbox-group, .radio-group { display: flex; flex-direction: column; gap: 12px; }

.checkbox-item, .radio-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
}

.checkbox-item input, .radio-item input {
    margin-top: 3px;
    accent-color: var(--navy);
    width: 16px;
    height: 16px;
}

.checkbox-label, .radio-label {
    font-family: var(--font-ui);
    font-size: 14px;
    color: var(--ink);
}

.radio-desc {
    font-family: var(--font-ui);
    font-size: 12px;
    color: var(--muted);
    margin-top: 2px;
}

.btn-save {
    font-family: var(--font-ui);
    font-size: 13px;
    font-weight: 600;
    padding: 12px 32px;
    background: var(--navy);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background .2s;
    margin-top: 8px;
}

.btn-save:hover { background: #2a4f7a; }

.save-feedback {
    font-family: var(--font-ui);
    font-size: 12px;
    color: var(--ocean);
    margin-left: 16px;
    opacity: 0;
    transition: opacity .3s;
}

/* ── Admin Panel ──────────────────────────────────── */

.admin-panel {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 2px solid var(--sep-lt);
}

.admin-title {
    font-family: var(--font-ui);
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: .5px;
    margin-bottom: 24px;
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
}

.stat-card {
    background: var(--white);
    border: 1px solid var(--sep-lt);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
}

.stat-value {
    display: block;
    font-family: var(--font-ui);
    font-size: 24px;
    font-weight: 700;
    color: var(--ocean);
}

.stat-label {
    display: block;
    font-family: var(--font-ui);
    font-size: 11px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-top: 4px;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-ui);
    font-size: 13px;
}

.admin-table th {
    text-align: left;
    font-weight: 600;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: .8px;
    color: var(--muted);
    padding: 8px 12px;
    border-bottom: 2px solid var(--sep-lt);
}

.admin-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--sep-lt);
    color: var(--ink);
}

.admin-table tbody tr:hover {
    background: var(--sky-soft);
}

.role-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .5px;
    text-transform: uppercase;
    padding: 2px 8px;
    border-radius: 3px;
    background: var(--sep-lt);
    color: var(--muted);
}

.role-badge.role-admin {
    background: var(--ocean);
    color: var(--white);
}

.action-cell {
    white-space: nowrap;
}

.btn-admin-action {
    font-family: var(--font-ui);
    font-size: 12px;
    padding: 4px 10px;
    border: 1px solid var(--sep-lt);
    border-radius: 3px;
    background: var(--white);
    color: var(--ink);
    cursor: pointer;
    transition: background .15s;
    margin-right: 4px;
}

.btn-admin-action:hover {
    background: var(--sky-soft);
    border-color: var(--ocean);
}

.btn-admin-delete {
    color: #c0392b;
    border-color: #e8c4c0;
}

.btn-admin-delete:hover {
    background: #fdf0ef;
    border-color: #c0392b;
}

.admin-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.admin-form-row {
    display: flex;
    gap: 12px;
}

.admin-field {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.admin-field label {
    font-family: var(--font-ui);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--muted);
}

.admin-field input,
.admin-field select {
    font-family: var(--font-ui);
    font-size: 14px;
    padding: 8px 12px;
    border: 1px solid var(--sep-lt);
    border-radius: var(--radius);
    background: var(--white);
    color: var(--ink);
    transition: border-color .15s;
}

.admin-field input:focus,
.admin-field select:focus {
    outline: none;
    border-color: var(--ocean);
}

[data-theme="dark"] .stat-card { background: var(--white); border-color: var(--sep); }
[data-theme="dark"] .admin-table th { border-color: var(--sep); }
[data-theme="dark"] .admin-table td { border-color: var(--sep); }
[data-theme="dark"] .admin-table tbody tr:hover { background: var(--sky-soft); }
[data-theme="dark"] .btn-admin-action { background: var(--white); border-color: var(--sep); color: var(--ink); }
[data-theme="dark"] .btn-admin-action:hover { background: var(--sky-soft); }
[data-theme="dark"] .btn-admin-delete { color: #e57373; border-color: #4a2020; }
[data-theme="dark"] .btn-admin-delete:hover { background: #2d1b1b; }
[data-theme="dark"] .admin-field input,
[data-theme="dark"] .admin-field select { background: var(--sand); border-color: var(--sep); color: var(--ink); }
[data-theme="dark"] .role-badge { background: var(--sep); }
[data-theme="dark"] .role-badge.role-admin { background: var(--ocean); color: #0f1f33; }

.save-feedback.show { opacity: 1; }

.speed-control {
    max-width: 320px;
}

.speed-control input[type="range"] {
    width: 100%;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--sep);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.speed-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--ocean);
    border: 2px solid var(--white);
    box-shadow: 0 1px 4px rgba(0,0,0,.15);
    cursor: pointer;
}

.speed-control input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--ocean);
    border: 2px solid var(--white);
    box-shadow: 0 1px 4px rgba(0,0,0,.15);
    cursor: pointer;
}

.speed-labels {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-ui);
    font-size: 11px;
    color: var(--muted);
    margin-top: 6px;
}

.speed-value {
    font-weight: 600;
    color: var(--ocean);
    font-size: 13px;
}

/* ── Login ─────────────────────────────────────────── */

.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 24px;
    background: var(--sand);
}

.login-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 48px 40px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 4px 24px rgba(0,0,0,.06);
    text-align: center;
}

.login-logo {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    border-radius: 50%;
}

.login-title {
    font-family: var(--font-ui);
    font-size: 20px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 4px;
}

.login-sub {
    font-family: var(--font-ui);
    font-size: 12px;
    color: var(--muted);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 32px;
}

.login-form { text-align: left; }

.form-group { margin-bottom: 16px; }

.form-label {
    font-family: var(--font-ui);
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--muted);
    display: block;
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    font-family: var(--font-body);
    font-size: 15px;
    padding: 10px 14px;
    border: 1px solid var(--sep);
    border-radius: var(--radius);
    background: var(--white);
    color: var(--ink);
    transition: border-color .2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--ocean);
}

.btn-login {
    width: 100%;
    font-family: var(--font-ui);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .5px;
    padding: 12px;
    background: var(--navy);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background .2s;
    margin-top: 8px;
}

.btn-login:hover { background: #2a4f7a; }

.login-error {
    font-family: var(--font-ui);
    font-size: 12px;
    color: #c53030;
    background: #fff5f5;
    padding: 10px 14px;
    border-radius: var(--radius);
    margin-bottom: 16px;
}

/* ── Loading Animation ─────────────────────────────── */

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(245,244,240,.92);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s;
}

.loading-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.wave-loader {
    display: flex;
    gap: 6px;
    margin-bottom: 24px;
}

.wave-loader span {
    width: 6px;
    height: 32px;
    border-radius: 3px;
    animation: wave 1.2s ease-in-out infinite;
}

.wave-loader span:nth-child(1) { background: var(--sky); animation-delay: 0s; }
.wave-loader span:nth-child(2) { background: var(--ocean); animation-delay: .1s; }
.wave-loader span:nth-child(3) { background: var(--sun); animation-delay: .2s; }
.wave-loader span:nth-child(4) { background: var(--ocean); animation-delay: .3s; }
.wave-loader span:nth-child(5) { background: var(--sky); animation-delay: .4s; }

@keyframes wave {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(2.5); }
}

.loading-text {
    font-family: var(--font-ui);
    font-size: 13px;
    color: var(--navy);
    letter-spacing: .5px;
}

.loading-step {
    font-family: var(--font-ui);
    font-size: 11px;
    color: var(--muted);
    margin-top: 8px;
}

/* ── Toast Notification ────────────────────────────── */

.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    font-family: var(--font-ui);
    font-size: 13px;
    padding: 14px 24px;
    background: var(--navy);
    color: var(--white);
    border-radius: var(--radius);
    box-shadow: 0 4px 16px rgba(0,0,0,.15);
    z-index: 300;
    transition: opacity .3s, transform .3s;
}

.toast.hidden { opacity: 0; transform: translateY(12px); pointer-events: none; }

/* ── Empty State ───────────────────────────────────── */

.empty-state {
    text-align: center;
    padding: 64px 24px;
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: .3;
}

.empty-state-title {
    font-family: var(--font-ui);
    font-size: 16px;
    color: var(--ink);
    margin-bottom: 8px;
}

.empty-state-text {
    font-family: var(--font-ui);
    font-size: 13px;
    color: var(--muted);
}

.empty-state.hidden { display: none; }

/* ── Load More ────────────────────────────────────── */

.load-more-wrap {
    text-align: center;
    padding: 24px 0 48px;
}

.btn-load-more {
    font-family: var(--font-ui);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .5px;
    text-transform: uppercase;
    color: var(--ocean);
    background: var(--white);
    border: 1px solid var(--sep-lt);
    padding: 12px 32px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background .15s, border-color .15s;
}

.btn-load-more:hover {
    background: var(--sky-soft);
    border-color: var(--ocean);
}

.btn-load-more:disabled {
    opacity: .5;
    cursor: default;
}

[data-theme="dark"] .btn-load-more {
    background: var(--white);
    border-color: var(--sep);
    color: var(--sun);
}

[data-theme="dark"] .btn-load-more:hover {
    background: var(--sky-soft);
    border-color: var(--sun);
}

/* ── 404 ───────────────────────────────────────────── */

.page-404 {
    text-align: center;
    padding: 80px 24px;
}

.page-404 h1 {
    font-size: 72px;
    font-weight: normal;
    color: var(--sep);
    line-height: 1;
}

.page-404 p {
    font-family: var(--font-ui);
    font-size: 14px;
    color: var(--muted);
    margin-top: 12px;
}

.page-404 a {
    color: var(--ocean);
    text-decoration: none;
}

/* ── Footer ────────────────────────────────────────── */

.footer {
    margin-top: auto;
}

.footer-wave {
    height: 40px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 40'%3E%3Cpath fill='%23e8e6e0' d='M0,20 C240,35 480,5 720,20 C960,35 1200,5 1440,20 L1440,40 L0,40 Z'/%3E%3C/svg%3E") no-repeat center bottom;
    background-size: cover;
}

.footer-inner {
    background: var(--sep);
    padding: 24px;
    text-align: center;
}

.footer-brand {
    font-family: var(--font-ui);
    font-size: 12px;
    color: var(--ink-lt);
    margin-bottom: 4px;
}

.footer-meta {
    font-family: var(--font-ui);
    font-size: 10px;
    color: var(--muted);
}

/* ── Dark Mode Toggle ─────────────────────────────── */

.theme-toggle {
    background: none;
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 20px;
    padding: 5px 10px;
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    transition: border-color .2s, background .2s;
    display: flex;
    align-items: center;
}

.theme-toggle:hover {
    border-color: rgba(255,255,255,.4);
    background: rgba(255,255,255,.06);
}

/* ── Dark Mode Overrides ──────────────────────────── */

[data-theme="dark"] .nav {
    box-shadow: 0 1px 8px rgba(0,0,0,.4);
}

[data-theme="dark"] .nav-title {
    color: #fff;
}

[data-theme="dark"] .nav-link:hover, 
[data-theme="dark"] .nav-link.active {
    color: #fff;
}

[data-theme="dark"] .greeting {
    color: var(--ocean);
}

[data-theme="dark"] .filter-pill.active {
    background: var(--ocean);
    border-color: var(--ocean);
    color: #0f1f33;
}

[data-theme="dark"] .filter-pill-modifier.active {
    background: #d4a843;
    border-color: #d4a843;
    color: #0f1f33;
}

[data-theme="dark"] .btn-create {
    color: #0f1f33;
}

[data-theme="dark"] .btn-read {
    background: var(--ocean);
    color: #0f1f33;
}

[data-theme="dark"] .btn-read:hover {
    background: #8ad0ec;
}

[data-theme="dark"] .btn-create-new {
    color: var(--ink);
    border-color: var(--sep);
}

[data-theme="dark"] .modal-overlay {
    background: rgba(15,31,51,.85);
}

[data-theme="dark"] .option-card {
    background: var(--sand);
    border-color: var(--sep);
}

[data-theme="dark"] .option-card .option-label {
    color: var(--ink);
}

[data-theme="dark"] .option-card:hover {
    border-color: var(--ocean);
    background: var(--sky-soft);
}

[data-theme="dark"] .option-card:has(input:checked) {
    background: var(--ocean);
    border-color: var(--ocean);
}

[data-theme="dark"] .option-card:has(input:checked) .option-label {
    color: #0f1f33;
}

[data-theme="dark"] .article-content h3 {
    color: var(--ocean);
}

[data-theme="dark"] .conv-text-formatted h2,
[data-theme="dark"] .conv-text-formatted h3 {
    color: var(--ocean);
}

[data-theme="dark"] .article-sources-box h3 {
    color: var(--ocean);
}

[data-theme="dark"] .btn-tts {
    color: var(--ink);
    background: var(--sep);
    border-color: var(--sep);
}

[data-theme="dark"] .btn-tts:hover {
    background: var(--ocean-lt);
    border-color: var(--ocean);
}

[data-theme="dark"] .tts-control {
    color: var(--ocean);
}

[data-theme="dark"] .loading-text {
    color: var(--ocean);
}

[data-theme="dark"] .login-title {
    color: var(--ocean);
}

[data-theme="dark"] .topic-card:hover {
    box-shadow: 0 2px 12px rgba(0,0,0,.25);
}

[data-theme="dark"] .login-card {
    box-shadow: 0 4px 24px rgba(0,0,0,.3);
}

[data-theme="dark"] .loading-overlay {
    background: rgba(20,26,32,.92);
}

[data-theme="dark"] .login-error {
    color: #fc8181;
    background: #2d1b1b;
}

[data-theme="dark"] .btn-create:hover {
    box-shadow: 0 2px 8px rgba(212,168,67,.3);
}

[data-theme="dark"] .toast {
    background: #2a333d;
    box-shadow: 0 4px 16px rgba(0,0,0,.35);
}

[data-theme="dark"] .my-article-row { background: var(--white); }
[data-theme="dark"] .my-article-row:hover { background: var(--sky-soft); }
[data-theme="dark"] .btn-article-menu { color: var(--muted); }
[data-theme="dark"] .btn-article-menu:hover { background: var(--sep); color: var(--ink); }
[data-theme="dark"] .article-dropdown { background: #1e2a36; border-color: var(--sep); box-shadow: 0 4px 20px rgba(0,0,0,.4); }
[data-theme="dark"] .dropdown-item { color: var(--ink); }
[data-theme="dark"] .dropdown-item:hover { background: var(--sky-soft); }
[data-theme="dark"] .dropdown-delete { color: #e57373; }
[data-theme="dark"] .dropdown-delete:hover { background: #2d1b1b; }

[data-theme="dark"] .footer-wave {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 40'%3E%3Cpath fill='%232a333d' d='M0,20 C240,35 480,5 720,20 C960,35 1200,5 1440,20 L1440,40 L0,40 Z'/%3E%3C/svg%3E");
}

[data-theme="dark"] .hero-img {
    opacity: .88;
}

[data-theme="dark"] .form-input {
    background: var(--sand);
    border-color: var(--sep);
    color: var(--ink);
}

[data-theme="dark"] .conv-input input {
    background: var(--sand);
}

[data-theme="dark"] .conv-role-user {
    color: var(--ink);
}

[data-theme="dark"] a {
    color: #7dd3fc;
}

[data-theme="dark"] a:hover {
    color: #bae6fd;
}

[data-theme="dark"] .article-content a {
    color: #7dd3fc;
}

[data-theme="dark"] .article-sources-box a {
    color: #7dd3fc;
}

[data-theme="dark"] .topic-sources a {
    color: #7dd3fc;
    border-bottom-color: rgba(125,211,252,.3);
}

[data-theme="dark"] .conv-input button {
    background: var(--ocean);
    color: #0f1f33;
}

[data-theme="dark"] .conv-input button:hover {
    background: #8ad0ec;
}

[data-theme="dark"] .settings-section-title {
    color: var(--ink-lt);
}

[data-theme="dark"] .btn-save {
    background: var(--ocean);
    color: #0f1f33;
}

[data-theme="dark"] .btn-save:hover {
    background: #8ad0ec;
}

[data-theme="dark"] .btn-login {
    background: var(--ocean);
    color: #0f1f33;
}

[data-theme="dark"] .btn-login:hover {
    background: #8ad0ec;
}

body {
    transition: background-color .3s, color .3s;
}

/* ── Responsive ────────────────────────────────────── */

@media (max-width: 640px) {
    .nav-links { display: none; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 56px;
        left: 0;
        right: 0;
        background: var(--navy);
        padding: 16px 24px 20px;
        gap: 14px;
        box-shadow: 0 4px 12px rgba(0,0,0,.15);
    }
    .nav-toggle { display: flex; }
    .nav-user { align-self: flex-start; }

    .main { padding: 0 16px; }
    .hero { margin: 20px -16px 0; }
    .topic-card { padding: 20px; }
    .topic-title { font-size: 18px; }
    .topic-footer { flex-direction: column; align-items: flex-start; }

    .article-h1 { font-size: 24px; }
    .article-image { margin: 0 -16px 24px; }
    .article-content { font-size: 16px; }

    .settings-section { padding: 20px; }
    .login-card { padding: 36px 24px; }

    .admin-form-row { flex-direction: column; }
    .admin-table { font-size: 12px; }
    .admin-table th, .admin-table td { padding: 8px 6px; }
    .admin-stats { grid-template-columns: repeat(3, 1fr); }

    .greeting-bar { flex-direction: column; gap: 4px; }

    .my-article-item { flex-wrap: wrap; gap: 4px 12px; padding: 12px 16px; }
    .my-article-cat { min-width: auto; width: 100%; }
    .my-article-title { white-space: normal; }
    .my-article-meta { width: 100%; }
    .my-article-actions { padding-right: 8px; }
    .article-dropdown { right: 8px; }
}