/* ============================================================
   Pulse - Main Application Styles
   ============================================================ */

/* --- Reset --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
button { font-family: var(--font-family); }
img { max-width: 100%; height: auto; }

/* --- App container --- */
.app { min-height: 100vh; }
.app__loader {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    transition: opacity var(--transition-slow);
}
.app__loader--hidden { opacity: 0; pointer-events: none; }

/* --- Page transitions --- */
.page-enter { animation: fadeIn var(--transition-slow); }

/* --- Topbar --- */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-secondary);
    position: sticky;
    top: 0;
    z-index: 50;
    gap: var(--space-md);
}
.topbar__left, .topbar__right { display: flex; align-items: center; gap: var(--space-sm); min-width: 0; }
.topbar__center { flex: 1; display: flex; justify-content: center; min-width: 0; }
.topbar__title { font-size: 16px; font-weight: 800; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar__logo { flex-shrink: 0; }
.topbar__user { cursor: pointer; position: relative; }

/* --- Theme toggle icons --- */
[data-theme="dark"] .icon-sun { display: inline-block; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: inline-block; }

/* ===========================
   Auth / Join Pages
   =========================== */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--space-lg);
}
.auth-card {
    width: 100%;
    max-width: 440px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl) var(--space-xl);
    text-align: center;
}
.auth-card__logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}
.auth-card__logo-img {
    height: 28px;
    width: auto;
    max-width: 140px;
    object-fit: contain;
}
.auth-card__logo .logo-light { display: var(--logo-display-light); }
.auth-card__logo .logo-dark { display: var(--logo-display-dark); }
.auth-card__title { font-size: 24px; font-weight: 900; margin-bottom: var(--space-sm); }
.auth-card__subtitle { font-size: 14px; color: var(--text-secondary); margin-bottom: var(--space-xl); font-weight: 600; }
.auth-card__footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}
.auth-card__dot { color: var(--text-tertiary); }
.auth-card__text { color: var(--text-secondary); }
.auth-card__legal { margin-top: var(--space-lg); font-size: 11px; color: var(--text-tertiary); }
.auth-card__legal a { color: var(--text-secondary); text-decoration: underline; }

/* ===========================
   Onboarding
   =========================== */
.onboarding-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--space-lg);
}
.onboarding-card {
    width: 100%;
    max-width: 560px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
}
.onboarding-card__logo { margin-bottom: var(--space-lg); }
.onboarding-card__title { font-size: 22px; font-weight: 900; margin-bottom: var(--space-xl); }
.onboarding-progress {
    width: 100%;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-pill);
    margin-bottom: var(--space-xl);
    overflow: hidden;
}
.onboarding-progress__bar {
    height: 100%;
    background: var(--accent);
    border-radius: var(--radius-pill);
    transition: width var(--transition-slow);
}
.onboarding-options { display: flex; flex-direction: column; gap: var(--space-sm); margin-bottom: var(--space-xl); }

/* ===========================
   Dashboard
   =========================== */
.dashboard-main { padding: var(--space-xl) var(--space-lg); max-width: 1200px; margin: 0 auto; }
.dashboard-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-xl); flex-wrap: wrap; gap: var(--space-md); }
.dashboard-header__title { font-size: 28px; font-weight: 900; }
.dashboard-filters { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-lg); flex-wrap: wrap; gap: var(--space-md); }
.presentations-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: var(--space-md); }

/* ===========================
   Editor
   =========================== */
.editor-page { display: flex; flex-direction: column; height: 100vh; }
.editor-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-secondary);
    gap: var(--space-md);
}
.editor-topbar__left { display: flex; align-items: center; gap: var(--space-sm); flex: 1; min-width: 0; }
.editor-topbar__title {
    background: none;
    border: none;
    font-size: 15px;
    font-weight: 800;
    color: var(--text-primary);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    flex: 1;
    min-width: 0;
    font-family: var(--font-family);
}
.editor-topbar__title:focus { outline: 1px solid var(--accent); }
.editor-topbar__status { font-size: 12px; font-weight: 600; color: var(--text-tertiary); white-space: nowrap; }
.editor-topbar__center { display: flex; align-items: center; }
.editor-topbar__right { display: flex; align-items: center; gap: var(--space-sm); }

.editor-body { display: flex; flex: 1; overflow: hidden; }

.editor-sidebar {
    width: 220px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-secondary);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    flex-shrink: 0;
}
.editor-sidebar__slides { padding: var(--space-sm); flex: 1; overflow-y: auto; }
.editor-sidebar__add {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: none;
    border: none;
    border-top: 1px solid var(--border-secondary);
    color: var(--text-secondary);
    font-family: var(--font-family);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: color var(--transition);
}
.editor-sidebar__add:hover { color: var(--accent); }

.slide-thumb {
    padding: var(--space-sm);
    margin-bottom: var(--space-xs);
    background: var(--bg-tertiary);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition);
}
.slide-thumb:hover { border-color: var(--border-primary); }
.slide-thumb--active { border-color: var(--accent); }
.slide-thumb__number { font-size: 11px; font-weight: 800; color: var(--text-tertiary); margin-bottom: 2px; }
.slide-thumb__title { font-size: 12px; font-weight: 700; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.slide-thumb__type { font-size: 10px; font-weight: 600; color: var(--text-tertiary); display: flex; align-items: center; gap: 4px; margin-top: 2px; }
.slide-thumb__type i { font-size: 12px; }
.slide-thumb__actions {
    display: flex;
    gap: 2px;
    margin-top: 4px;
    opacity: 0;
    transition: opacity var(--transition);
}
.slide-thumb:hover .slide-thumb__actions { opacity: 1; }
.slide-thumb__action {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-tertiary);
    cursor: pointer;
    font-size: 14px;
    transition: all var(--transition-fast);
    padding: 0;
}
.slide-thumb__action:hover { background: var(--bg-hover); color: var(--text-primary); }
.slide-thumb__action[data-action="delete"]:hover { color: var(--danger); }
.slide-thumb__action i { font-size: 14px; }

.editor-canvas {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    overflow-y: auto;
}
.editor-canvas__content {
    width: 100%;
    max-width: 700px;
}
.slide-type-selector { margin-bottom: var(--space-xl); }
.slide-question { margin-bottom: var(--space-xl); }
.slide-question__input {
    width: 100%;
    background: transparent;
    border: none;
    font-size: 28px;
    font-weight: 900;
    color: var(--text-primary);
    resize: none;
    outline: none;
    font-family: var(--font-family);
    line-height: 1.3;
}
.slide-description__input {
    width: 100%;
    background: transparent;
    border: none;
    font-size: 15px;
    color: var(--text-secondary);
    resize: none;
    outline: none;
    font-family: var(--font-family);
    margin-top: var(--space-sm);
}
.slide-options-editor { margin-bottom: var(--space-lg); }
.options-list { margin-bottom: var(--space-sm); }
.ai-suggest { margin-top: var(--space-lg); }

.editor-settings {
    width: 280px;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-secondary);
    padding: var(--space-lg);
    overflow-y: auto;
    flex-shrink: 0;
}
.editor-settings__title { font-size: 14px; font-weight: 800; margin-bottom: var(--space-lg); color: var(--text-primary); }

/* ===========================
   Presenter
   =========================== */
.presenter-page { display: flex; flex-direction: column; height: 100vh; background: #0c0d11; color: #EEF3F7; }
.presenter-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-xl);
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.presenter-topbar__left, .presenter-topbar__right { display: flex; align-items: center; gap: var(--space-md); }
.presenter-topbar__center { text-align: center; }
.presenter-topbar__join { font-size: 14px; font-weight: 600; color: #9AA7B2; }
.presenter-topbar__code { font-size: 22px; font-weight: 900; color: #01edb3; letter-spacing: 3px; margin-left: 4px; }
.presenter-topbar__participants {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 16px;
    font-weight: 800;
    color: #EEF3F7;
}
.presenter-topbar__participants i { font-size: 20px; color: var(--accent); }

.presenter-main { flex: 1; display: flex; justify-content: center; align-items: center; padding: var(--space-xl); gap: var(--space-2xl); }
.presenter-content { flex: 1; max-width: 800px; text-align: center; }
.presenter-question__text { font-size: 36px; font-weight: 900; margin-bottom: var(--space-md); line-height: 1.3; }
.presenter-question__desc { font-size: 16px; color: #9AA7B2; margin-bottom: var(--space-lg); }
.presenter-status { margin-bottom: var(--space-xl); }
.presenter-status__waiting { display: flex; align-items: center; justify-content: center; gap: var(--space-sm); font-size: 15px; color: #9AA7B2; font-weight: 600; }
.presenter-results { width: 100%; }
.presenter-qr { text-align: center; flex-shrink: 0; }
.presenter-qr__img { width: 180px; height: 180px; border-radius: var(--radius-lg); background: white; padding: 12px; }
.presenter-qr__text { font-size: 13px; font-weight: 600; color: #9AA7B2; margin-top: var(--space-sm); }

.presenter-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-xl);
    border-top: 1px solid rgba(255,255,255,.08);
    gap: var(--space-md);
}
.presenter-controls__center { display: flex; align-items: center; gap: var(--space-md); }
.presenter-controls__slide-num { font-size: 14px; font-weight: 700; color: #9AA7B2; }

/* ===========================
   Participant
   =========================== */
.participant-page { max-width: 600px; margin: 0 auto; padding: var(--space-lg); min-height: 100vh; }
.participant-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}
.participant-header__session { font-size: 14px; font-weight: 700; color: var(--text-secondary); }
.participant-waiting { text-align: center; padding: var(--space-3xl) 0; }
.participant-waiting h2 { font-size: 20px; font-weight: 800; margin-top: var(--space-lg); margin-bottom: var(--space-sm); }
.participant-waiting p { color: var(--text-secondary); font-weight: 600; }

.participant-question__text { font-size: 22px; font-weight: 900; margin-bottom: var(--space-sm); text-align: center; }
.participant-question__desc { font-size: 14px; color: var(--text-secondary); margin-bottom: var(--space-lg); text-align: center; }

.participant-options { display: flex; flex-direction: column; gap: var(--space-sm); margin-bottom: var(--space-lg); }
.participant-text { margin-bottom: var(--space-lg); }
.participant-scale { margin-bottom: var(--space-lg); text-align: center; }
.participant-scale__labels { display: flex; justify-content: space-between; margin-top: var(--space-sm); font-size: 14px; font-weight: 700; color: var(--text-secondary); }
.participant-scale__value { font-size: 24px; font-weight: 900; color: var(--accent); }
.participant-ranking { margin-bottom: var(--space-lg); }
.participant-reaction, .participant-checkin { margin-bottom: var(--space-lg); }
.participant-qa { margin-bottom: var(--space-lg); }
.qa-form { display: flex; gap: var(--space-sm); margin-bottom: var(--space-md); }
.qa-form .form-input { flex: 1; }

.participant-timer { margin-bottom: var(--space-md); display: flex; align-items: center; gap: var(--space-sm); }
.participant-timer__bar { flex: 1; height: 6px; background: var(--bg-tertiary); border-radius: var(--radius-pill); overflow: hidden; position: relative; }
.participant-timer__bar::after { content: ''; position: absolute; left: 0; top: 0; height: 100%; background: var(--accent); border-radius: var(--radius-pill); transition: width 1s linear; }
.participant-timer__text { font-size: 14px; font-weight: 800; color: var(--accent); min-width: 32px; text-align: right; }

.participant-submitted, .participant-closed { text-align: center; padding: var(--space-3xl) 0; }
.participant-submitted__icon, .participant-closed__icon { margin-bottom: var(--space-lg); }
.participant-submitted h2, .participant-closed h2 { font-size: 22px; font-weight: 900; margin-bottom: var(--space-sm); }
.participant-submitted p, .participant-closed p { color: var(--text-secondary); font-weight: 600; }
.participant-submitted__score { margin-top: var(--space-lg); font-size: 18px; font-weight: 700; }
.participant-submitted__score strong { color: var(--accent); font-size: 28px; }

.participant-not-found { text-align: center; padding: var(--space-3xl) 0; }
.participant-not-found__icon { margin-bottom: var(--space-lg); }
.participant-not-found h2 { font-size: 22px; font-weight: 900; margin-bottom: var(--space-sm); }
.participant-not-found p { color: var(--text-secondary); font-weight: 600; margin-bottom: var(--space-xl); max-width: 400px; margin-left: auto; margin-right: auto; line-height: 1.6; }

/* ===========================
   Results
   =========================== */
.results-main { padding: 0 var(--space-lg) var(--space-2xl); max-width: 1100px; margin: 0 auto; }

/* Hero */
.results-hero {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg) var(--space-lg);
}
.results-hero__title {
    font-size: 28px;
    font-weight: 900;
    margin-bottom: var(--space-xs);
    background: linear-gradient(135deg, var(--accent) 0%, #818CF8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.results-hero__sub { font-size: 14px; font-weight: 600; color: var(--text-secondary); }

/* Stats row */
.results-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}
.results-stat {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-lg);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.results-stat:hover { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.results-stat__icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 22px;
    flex-shrink: 0;
}
.results-stat__data { min-width: 0; }
.results-stat__value { font-size: 24px; font-weight: 900; color: var(--text-primary); line-height: 1.1; }
.results-stat__label { font-size: 12px; font-weight: 700; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: .5px; margin-top: 2px; }

/* Slides list */
.results-slides { display: flex; flex-direction: column; gap: var(--space-lg); }

/* Loading */
.results-loading { text-align: center; padding: var(--space-3xl) 0; }
.results-loading p { margin-top: var(--space-md); color: var(--text-tertiary); font-weight: 600; }

/* Empty */
.results-empty { text-align: center; padding: var(--space-3xl) var(--space-lg); }
.results-empty__icon { font-size: 52px; color: var(--text-tertiary); margin-bottom: var(--space-md); }
.results-empty h2 { font-size: 20px; font-weight: 800; margin-bottom: var(--space-sm); }
.results-empty p { font-size: 14px; font-weight: 600; color: var(--text-secondary); margin-bottom: var(--space-xl); }

/* Result card */
.rcard {
    display: flex;
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.rcard:hover { border-color: var(--border-primary); box-shadow: var(--shadow-sm); }

.rcard__sidebar {
    width: 56px;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-lg) var(--space-sm);
    background: var(--bg-tertiary);
    gap: var(--space-sm);
    flex-shrink: 0;
}
.rcard__num {
    font-size: 18px;
    font-weight: 900;
    color: var(--text-tertiary);
    line-height: 1;
}
.rcard__type-badge {
    writing-mode: vertical-lr;
    transform: rotate(180deg);
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: .5px;
    white-space: nowrap;
}
.rcard__type-badge i { font-size: 14px; transform: rotate(180deg); }

.rcard__body {
    flex: 1;
    padding: var(--space-lg) var(--space-xl);
    min-width: 0;
}
.rcard__header { margin-bottom: var(--space-lg); }
.rcard__question { font-size: 18px; font-weight: 800; color: var(--text-primary); margin-bottom: var(--space-xs); line-height: 1.4; }
.rcard__meta { display: flex; gap: var(--space-md); align-items: center; }
.rcard__resp-count {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-tertiary);
    background: var(--bg-tertiary);
    padding: 3px 10px;
    border-radius: var(--radius-pill);
}
.rcard__resp-count i { font-size: 14px; }
.rcard__chart { width: 100%; }

.rcard__leaderboard { margin-top: var(--space-xl); padding-top: var(--space-lg); border-top: 1px solid var(--border-secondary); }
.rcard__lb-title { display: flex; align-items: center; gap: var(--space-sm); font-size: 15px; font-weight: 800; margin-bottom: var(--space-md); color: var(--text-primary); }
.rcard__lb-title i { color: var(--accent); font-size: 18px; }

/* Chart bars */
.chart-bars { display: flex; flex-direction: column; gap: var(--space-md); }
.chart-bar { display: flex; flex-direction: column; gap: 4px; }
.chart-bar__head { display: flex; justify-content: space-between; align-items: baseline; }
.chart-bar__label { font-size: 14px; font-weight: 700; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 70%; }
.chart-bar__pct { font-size: 14px; font-weight: 800; color: var(--bar-color, var(--accent)); }
.chart-bar__track { height: 28px; background: var(--bg-tertiary); border-radius: var(--radius-pill); overflow: hidden; }
.chart-bar__fill { height: 100%; border-radius: var(--radius-pill); min-width: 8px; }
.chart-bar__count { font-size: 12px; font-weight: 600; color: var(--text-tertiary); }

/* Donut chart */
.chart-donut { display: flex; align-items: center; gap: var(--space-xl); flex-wrap: wrap; justify-content: center; }
.chart-donut__svg { flex-shrink: 0; }
.chart-legend { display: flex; flex-direction: column; gap: 6px; }
.chart-legend__item { display: flex; align-items: center; gap: var(--space-sm); font-size: 13px; font-weight: 600; }
.chart-legend__dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.chart-legend__text { color: var(--text-primary); }
.chart-legend__val { margin-left: auto; font-weight: 800; color: var(--text-secondary); min-width: 36px; text-align: right; }

/* Scale chart */
.chart-scale { text-align: center; padding: var(--space-md) 0; }
.chart-scale__ring { margin-bottom: var(--space-sm); }
.chart-scale__label { font-size: 14px; font-weight: 700; color: var(--text-secondary); margin-bottom: var(--space-sm); }
.chart-scale__range { display: flex; justify-content: center; gap: var(--space-xl); font-size: 13px; color: var(--text-tertiary); }
.chart-scale__range strong { font-weight: 800; margin-right: 4px; }

/* Response cards */
.response-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: var(--space-md); }
.response-card {
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-secondary);
    transition: border-color var(--transition);
}
.response-card:hover { border-color: var(--border-primary); }
.response-card__text { font-size: 14px; font-weight: 600; color: var(--text-primary); line-height: 1.5; margin-bottom: var(--space-sm); }
.response-card__footer { display: flex; align-items: center; gap: 4px; font-size: 12px; font-weight: 600; color: var(--text-tertiary); }
.response-card__footer i { font-size: 14px; }

/* Leaderboard */
.leaderboard { display: flex; flex-direction: column; gap: var(--space-xs); }
.leaderboard__item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 10px var(--space-md);
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    transition: background var(--transition);
}
.leaderboard__item:hover { background: var(--bg-hover); }
.leaderboard__rank { font-size: 14px; font-weight: 900; min-width: 28px; text-align: center; color: var(--text-tertiary); }
.leaderboard__item--gold .leaderboard__rank { color: #FBBF24; }
.leaderboard__item--silver .leaderboard__rank { color: #9CA3AF; }
.leaderboard__item--bronze .leaderboard__rank { color: #D97706; }
.leaderboard__name { flex: 1; font-size: 14px; font-weight: 700; color: var(--text-primary); }
.leaderboard__score { font-size: 14px; font-weight: 800; color: var(--accent); }

/* Word Cloud - True tag-cloud layout with varied sizes and positions */
.word-cloud {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    line-height: 2.2;
    gap: 0;
    padding: var(--space-xl) var(--space-md);
    max-width: 700px;
    margin: 0 auto;
}
.word-cloud__word {
    display: inline-block;
    padding: 2px 10px;
    font-weight: 800;
    position: relative;
    cursor: default;
    transition: transform var(--transition), opacity var(--transition);
    border-radius: var(--radius-pill);
}
.word-cloud__word:hover {
    transform: scale(1.15);
    opacity: 1 !important;
}
.word-cloud__word::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    opacity: 0;
    transition: opacity var(--transition);
}
.word-cloud__word:hover::before { opacity: 0.08; }

/* Pseudo-random color distribution for word cloud */
.word-cloud__word:nth-child(7n+1) { color: #01edb3; }
.word-cloud__word:nth-child(7n+1)::before { background: #01edb3; }
.word-cloud__word:nth-child(7n+2) { color: #818CF8; }
.word-cloud__word:nth-child(7n+2)::before { background: #818CF8; }
.word-cloud__word:nth-child(7n+3) { color: #F87171; }
.word-cloud__word:nth-child(7n+3)::before { background: #F87171; }
.word-cloud__word:nth-child(7n+4) { color: #FBBF24; }
.word-cloud__word:nth-child(7n+4)::before { background: #FBBF24; }
.word-cloud__word:nth-child(7n+5) { color: #C084FC; }
.word-cloud__word:nth-child(7n+5)::before { background: #C084FC; }
.word-cloud__word:nth-child(7n+6) { color: #34D399; }
.word-cloud__word:nth-child(7n+6)::before { background: #34D399; }
.word-cloud__word:nth-child(7n) { color: #F472B6; }
.word-cloud__word:nth-child(7n)::before { background: #F472B6; }

[data-theme="light"] .word-cloud__word:nth-child(7n+1) { color: #00B88A; }
[data-theme="light"] .word-cloud__word:nth-child(7n+2) { color: #5266EB; }
[data-theme="light"] .word-cloud__word:nth-child(7n+3) { color: #DC2626; }
[data-theme="light"] .word-cloud__word:nth-child(7n+4) { color: #D97706; }
[data-theme="light"] .word-cloud__word:nth-child(7n+5) { color: #7C3AED; }
[data-theme="light"] .word-cloud__word:nth-child(7n+6) { color: #059669; }
[data-theme="light"] .word-cloud__word:nth-child(7n) { color: #DB2777; }

.open-response-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: var(--space-md); }
.open-response-card {
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.5;
}

/* ===========================
   Settings
   =========================== */
.settings-main { padding: var(--space-xl) var(--space-lg); max-width: 600px; margin: 0 auto; }
.settings-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
}
.settings-card__title { font-size: 18px; font-weight: 800; margin-bottom: var(--space-lg); }

/* ===========================
   Error Pages
   =========================== */
.error-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--space-lg);
}
.error-card { text-align: center; max-width: 400px; }
.error-card__icon { margin-bottom: var(--space-lg); }
.error-card__code { font-size: 72px; font-weight: 900; color: var(--accent); line-height: 1; margin-bottom: var(--space-sm); }
.error-card__title { font-size: 22px; font-weight: 800; margin-bottom: var(--space-sm); }
.error-card__text { font-size: 14px; font-weight: 600; color: var(--text-secondary); margin-bottom: var(--space-xl); }

/* ===========================
   Responsive
   =========================== */

/* --- Tablet landscape --- */
@media (max-width: 1024px) {
    .editor-settings { width: 220px; padding: var(--space-md); }
    .editor-sidebar { width: 160px; }
    .editor-topbar__right .btn span { display: none; }
}

/* --- Tablet portrait / small screens --- */
@media (max-width: 768px) {
    .topbar { padding: var(--space-sm) var(--space-md); }
    .dashboard-main { padding: var(--space-md); }
    .dashboard-header__title { font-size: 22px; }
    .presentations-grid { grid-template-columns: 1fr; }

    /* Editor: stack vertically */
    .editor-page { height: auto; min-height: 100vh; }
    .editor-topbar { flex-wrap: wrap; gap: var(--space-xs); padding: var(--space-xs) var(--space-sm); }
    .editor-topbar__left { order: 1; flex: 1; min-width: 0; }
    .editor-topbar__center { order: 3; width: 100%; justify-content: center; padding-top: 2px; }
    .editor-topbar__right { order: 2; flex: 0; }
    .editor-topbar__right .btn span { display: none; }
    .editor-topbar__status { display: none; }

    .editor-body { flex-direction: column; flex: 1; }

    .editor-sidebar {
        width: 100%;
        height: auto;
        max-height: none;
        flex-direction: row;
        border-right: none;
        border-bottom: 1px solid var(--border-secondary);
        order: 1;
        overflow: hidden;
    }
    .editor-sidebar__slides {
        display: flex;
        flex-direction: row;
        gap: var(--space-xs);
        padding: var(--space-xs) var(--space-sm);
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        flex: 1;
        min-width: 0;
    }
    .editor-sidebar__slides::-webkit-scrollbar { display: none; }
    .editor-sidebar__slides .slide-thumb {
        flex-shrink: 0;
        min-width: 110px;
        max-width: 150px;
    }
    .slide-thumb__actions { display: none; }
    .editor-sidebar__add {
        border-top: none;
        border-left: 1px solid var(--border-secondary);
        padding: var(--space-sm) var(--space-md);
        white-space: nowrap;
        flex-shrink: 0;
    }
    .editor-sidebar__add span { display: none; }

    .editor-canvas { order: 2; padding: var(--space-md); flex: 1; align-items: flex-start; }
    .editor-canvas__content { max-width: 100%; }
    .slide-question__input { font-size: 20px; }

    .editor-settings {
        order: 3;
        width: 100%;
        border-left: none;
        border-top: 1px solid var(--border-secondary);
        max-height: none;
        padding: var(--space-md);
    }

    /* Presenter */
    .presenter-main { flex-direction: column; padding: var(--space-md); }
    .presenter-question__text { font-size: 24px; }
    .presenter-qr__img { width: 120px; height: 120px; }
    .presenter-controls { flex-wrap: wrap; justify-content: center; }

    /* Results */
    .results-stats { grid-template-columns: repeat(2, 1fr); }
    .rcard { flex-direction: column; }
    .rcard__sidebar { width: 100%; flex-direction: row; padding: var(--space-sm) var(--space-md); }
    .rcard__type-badge { writing-mode: horizontal-tb; transform: none; }
    .rcard__type-badge i { transform: none; }
    .rcard__body { padding: var(--space-md); }

    .search-box { max-width: none; }
}

/* --- Mobile --- */
@media (max-width: 480px) {
    .auth-card { padding: var(--space-xl) var(--space-lg); }
    .auth-card__title { font-size: 20px; }
    .form-input--xl { font-size: 22px; letter-spacing: 4px; }

    /* Editor mobile */
    .editor-topbar__center .tab-group { width: 100%; }
    .editor-topbar__center .tab-group__tab { flex: 1; text-align: center; padding: 5px 8px; font-size: 11px; }
    .editor-topbar__title { font-size: 13px; }
    .slide-question__input { font-size: 18px; }
    .slide-description__input { font-size: 13px; }
    .option-item { flex-wrap: wrap; }
    .option-item__input { min-width: 0; }
    .editor-settings { padding: var(--space-sm) var(--space-md); }
    .editor-settings__title { font-size: 13px; margin-bottom: var(--space-md); }
    .form-toggle { font-size: 12px; gap: var(--space-sm); }
    .form-toggle__switch { width: 36px; height: 20px; }
    .form-toggle__switch::after { width: 14px; height: 14px; }
    .form-toggle input:checked + .form-toggle__switch::after { transform: translateX(16px); }
    .pulse-select__trigger { padding: 8px 12px; font-size: 13px; }

    /* Results mobile */
    .results-stats { grid-template-columns: 1fr; }
    .results-hero__title { font-size: 22px; }
    .results-stat { padding: var(--space-sm) var(--space-md); }
    .results-stat__icon { width: 36px; height: 36px; font-size: 18px; }
    .results-stat__value { font-size: 20px; }

    /* Presenter mobile */
    .presenter-controls__center { flex-wrap: wrap; }
    .presenter-topbar { flex-direction: column; gap: var(--space-sm); }
    .presenter-topbar__join { font-size: 12px; }
    .presenter-topbar__code { font-size: 18px; }
    .presenter-controls .btn--lg { padding: 8px 16px; font-size: 13px; }
    .presenter-controls .btn--sm { padding: 5px 10px; font-size: 11px; }
}