/* Fonts loaded via in HTML for performance (no @import) */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
--bg:#18181b;--surface:#27272a;--surface-2:#32323a;
--primary:#a855f7;--primary-hover:#9333ea;
--secondary:#ec4899;--accent:#14b8a6;
--text:#fafafa;--text-2:#a1a1aa;--text-3:#71717a;
--border:#3f3f46;--danger:#ef4444;--success:#22c55e;
--radius:8px;--font:'DM Sans',system-ui,sans-serif;
}
html{scroll-behavior:smooth}
html,body{height:100%}
body{font-family:var(--font);font-size:15px;line-height:1.5;color:var(--text);background:var(--bg)}
.text-secondary{color:var(--text-2)}
/* ── Accessibility utilities ─────────────────────── */
.skip-link{position:absolute;top:-100%;left:16px;padding:8px 16px;background:var(--primary);
color:#fff;border-radius:var(--radius);z-index:200;font-size:14px;font-weight:500;
text-decoration:none}
.skip-link:focus{top:16px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;
overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
/* ── Screens ─────────────────────────────────────── */
.screen{display:none;min-height:100vh}
.screen.active{display:flex;flex-direction:column}
/* ── Buttons ─────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;
padding:8px 16px;border-radius:var(--radius);font-family:var(--font);
font-size:14px;font-weight:500;cursor:pointer;border:1px solid var(--border);
background:transparent;color:var(--text);transition:background 150ms ease,border-color 150ms ease;
text-decoration:none}
.btn:hover{background:var(--surface)}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}
.btn-block{width:100%}.btn-lg{padding:12px 20px;font-size:15px}
.btn-sm{padding:5px 12px;font-size:12px}
.btn-danger{border-color:var(--danger);color:var(--danger)}
.btn-danger:hover{background:rgba(239,68,68,0.1)}
.btn-connect{border-color:var(--accent);color:var(--accent);background:none;font-family:var(--font);cursor:pointer;
padding:5px 12px;font-size:12px;border-radius:var(--radius)}
.btn-connect:hover{background:rgba(20,184,166,0.1)}
.btn-disconnect{border-color:var(--text-3);color:var(--text-3);background:none;font-family:var(--font);cursor:pointer;
padding:5px 12px;font-size:12px;border-radius:var(--radius)}
.btn-disconnect:hover{border-color:var(--danger);color:var(--danger)}
/* ── Demo banner ─────────────────────────────────── */
.demo-banner{padding:8px 16px;background:var(--surface-2);border-bottom:1px solid var(--border);
font-size:13px;color:var(--text-2);text-align:center;flex-shrink:0;
position:sticky;top:0;z-index:50}
.demo-banner strong{color:var(--accent)}
.demo-banner a{color:var(--primary);text-decoration:underline;margin-left:6px}
.demo-banner a:hover{color:var(--primary-hover)}
/* ══════════════════════════════════════════════════
LANDING
══════════════════════════════════════════════════ */
.landing-nav{display:flex;align-items:center;justify-content:space-between;
padding:16px 24px;max-width:1080px;margin:0 auto;width:100%}
.logo{font-size:16px;font-weight:600;color:var(--text);cursor:pointer}
.nav-actions{display:flex;gap:8px}
.landing-hero{padding:72px 24px 56px;max-width:1080px;margin:0 auto;
display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.hero-content h1{font-size:36px;font-weight:700;line-height:1.2;margin-bottom:16px}
.hero-content h1 em{font-style:normal;color:var(--primary)}
.hero-content>p{font-size:16px;color:var(--text-2);line-height:1.6;margin-bottom:24px;max-width:480px}
.hero-actions{display:flex;gap:12px}
.hero-note{font-size:13px;margin-top:12px}
.hero-visual{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.signal-preview{padding:14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}
.signal-preview.featured{border-color:var(--primary)}
.signal-preview .sp-source{font-size:12px;color:var(--text-3);display:flex;align-items:center;gap:6px;margin-bottom:6px}
.signal-preview .sp-source .sp-icon{font-size:16px}
.signal-preview .sp-value{font-size:14px;font-weight:500}
.signal-preview .sp-detail{font-size:12px;color:var(--text-3);margin-top:2px}
.signal-preview .sp-bar{height:4px;border-radius:2px;background:var(--surface-2);margin-top:8px;overflow:hidden}
.signal-preview .sp-bar-fill{height:100%;border-radius:2px;background:var(--accent)}
.signal-preview.featured .sp-bar-fill{background:var(--primary)}
.landing-section{padding:56px 24px;max-width:1080px;margin:0 auto}
.landing-section h2{font-size:20px;font-weight:600;margin-bottom:6px}
.landing-section>p{color:var(--text-2);margin-bottom:28px;font-size:15px}
.integration-tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px}
.int-tile{padding:16px 10px;background:var(--surface);border:1px solid var(--border);
border-radius:var(--radius);text-align:center;transition:border-color 150ms ease}
.int-tile:hover{border-color:var(--text-3)}
.int-tile .tile-icon{font-size:22px;display:block;margin-bottom:6px}
.int-tile .tile-label{font-size:13px;font-weight:600;display:block;margin-bottom:2px}
.int-tile .tile-desc{font-size:11px;color:var(--text-3)}
.int-tile .tile-planned{display:block;font-size:10px;color:var(--text-3);margin-top:6px;
padding-top:6px;border-top:1px solid var(--border);line-height:1.4}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.feature-card{padding:18px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}
.feature-card .feature-icon{font-size:18px;margin-bottom:8px;display:block}
.feature-card h3{font-size:14px;font-weight:600;margin-bottom:4px}
.feature-card p{font-size:13px;color:var(--text-2);line-height:1.5}
/* ── About / Mission section ─────────────────────── */
.about-body{max-width:720px}
.about-body p{color:var(--text-2);line-height:1.7;margin-bottom:16px;font-size:15px}
.about-body strong{color:var(--text)}
/* ── Algorithm section ───────────────────────────── */
.algo-box{padding:20px;background:var(--surface);border:1px solid var(--border);
border-radius:var(--radius);margin-bottom:20px}
.algo-box h3{font-size:14px;font-weight:600;margin-bottom:12px}
.algo-box>p{font-size:13px}
.algo-formula{display:block;padding:12px 16px;background:var(--bg);border:1px solid var(--border);
border-radius:var(--radius);font-size:14px;color:var(--accent);margin-bottom:12px;
overflow-x:auto;white-space:nowrap;font-family:monospace}
.algo-terms{margin:0}
.algo-terms dt{font-weight:600;font-size:14px;margin-top:10px;color:var(--text)}
.algo-terms dd{font-size:13px;color:var(--text-2);margin-left:0;line-height:1.5}
.algo-terms code{font-size:12px;padding:2px 6px;background:var(--surface-2);border-radius:4px;color:var(--accent);font-family:monospace}
.algo-example{margin-bottom:20px}
.algo-example h3{font-size:14px;font-weight:600;margin-bottom:12px}
.algo-comparison{display:grid;grid-template-columns:1fr auto 1fr;gap:16px;align-items:center;margin-bottom:16px}
.algo-case{padding:16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}
.algo-case strong{font-size:13px;display:block;margin-bottom:8px}
.algo-case p{font-size:13px;color:var(--text-2);margin:4px 0;line-height:1.5}
.algo-case.niche{border-color:var(--accent)}
.algo-vs{font-size:14px;font-weight:600;color:var(--text-3)}
.algo-insight{font-size:14px;color:var(--text-2);line-height:1.6;padding:12px 16px;
background:rgba(20,184,166,0.08);border-left:3px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0}
/* ── FAQ section ─────────────────────────────────── */
.faq-list{max-width:720px}
.faq-section details{border:1px solid var(--border);border-radius:var(--radius);
margin-bottom:8px;background:var(--surface);overflow:hidden}
.faq-section summary{padding:14px 16px;font-size:14px;font-weight:500;cursor:pointer;
list-style:none;display:flex;align-items:center;justify-content:space-between}
.faq-section summary::-webkit-details-marker{display:none}
.faq-section summary::after{content:'+';font-size:18px;color:var(--text-3);flex-shrink:0;margin-left:12px}
.faq-section details[open] summary::after{content:'−'}
.faq-section details[open] summary{border-bottom:1px solid var(--border)}
.faq-section details p{padding:12px 16px;font-size:13px;color:var(--text-2);line-height:1.6;margin:0}
.faq-section details code{font-size:12px;padding:2px 6px;background:var(--surface-2);border-radius:4px;font-family:monospace}
.faq-section details a{color:var(--primary)}
/* ── Contact form section ────────────────────────── */
.contact-section{border-top:1px solid var(--border)}
.contact-section form{max-width:540px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-message{font-size:13px;margin-top:12px;min-height:20px}
.form-message:empty{min-height:0}
.form-message.success{color:var(--success)}
.form-message.error{color:var(--danger)}
.form-note{font-size:12px;margin-top:8px}
/* ── Landing footer ──────────────────────────────── */
.landing-footer{padding:32px 24px;border-top:1px solid var(--border);
max-width:1080px;margin:0 auto;width:100%;text-align:center}
.landing-footer p{font-size:13px;margin-bottom:4px}
/* ══════════════════════════════════════════════════
AUTH
══════════════════════════════════════════════════ */
.auth-wrap{max-width:420px;margin:0 auto;padding:48px 24px;width:100%}
.auth-tabs{display:flex;gap:0;margin-bottom:24px;border-bottom:1px solid var(--border)}
.auth-tab{padding:8px 0;margin-right:24px;font-size:14px;font-weight:500;
color:var(--text-3);background:none;border:none;border-bottom:2px solid transparent;
cursor:pointer;font-family:var(--font)}
.auth-tab.active{color:var(--text);border-bottom-color:var(--primary)}
.social-buttons{display:flex;flex-direction:column;gap:8px;margin-bottom:24px}
.social-btn{display:flex;align-items:center;gap:12px;padding:10px 16px;
background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
color:var(--text);font-size:14px;font-family:var(--font);cursor:pointer;
transition:background 150ms ease}
.social-btn:hover{background:var(--surface-2)}
.social-btn .social-icon{font-size:18px;width:24px;text-align:center}
.divider{display:flex;align-items:center;gap:12px;margin-bottom:24px;color:var(--text-3);font-size:13px}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:var(--border)}
/* ── Forms ───────────────────────────────────────── */
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:500;color:var(--text-2);margin-bottom:6px}
.form-input{width:100%;padding:10px 12px;background:var(--surface);border:1px solid var(--border);
border-radius:var(--radius);color:var(--text);font-family:var(--font);font-size:14px;
outline:none;transition:border-color 150ms ease}
.form-input:focus{border-color:var(--primary)}
select.form-input{appearance:auto}
textarea.form-input{resize:vertical}
/* ══════════════════════════════════════════════════
ONBOARDING
══════════════════════════════════════════════════ */
.onboarding-wrap{max-width:540px;margin:0 auto;padding:24px;width:100%;
flex:1;display:flex;flex-direction:column;overflow-y:auto}
.onboarding-progress{display:flex;gap:8px;margin-bottom:24px}
.progress-dot{width:8px;height:8px;border-radius:50%;background:var(--border)}
.progress-dot.active{background:var(--primary)}
.ob-tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px;margin-bottom:24px}
.ob-tile{display:flex;flex-direction:column;align-items:center;padding:14px 8px;
background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
cursor:pointer;text-align:center;transition:border-color 150ms ease}
.ob-tile:hover{border-color:var(--text-3)}
.ob-tile.connected{border-color:var(--accent)}
.ob-tile.disabled{opacity:0.4;cursor:default}
.ob-tile.disabled:hover{border-color:var(--border)}
.ob-tile .ob-icon{font-size:22px;margin-bottom:4px}
.ob-tile .ob-label{font-size:13px;font-weight:500}
.ob-tile .ob-status{font-size:11px;color:var(--text-3);margin-top:4px}
.ob-tile.connected .ob-status{color:var(--accent)}
.ob-category{margin-bottom:20px}
.ob-cat-label{font-size:13px;font-weight:500;color:var(--text-2);margin-bottom:8px}
.qa-block{margin-bottom:20px;padding:16px;background:var(--surface);
border:1px solid var(--border);border-radius:var(--radius)}
.qa-block h3{font-size:14px;font-weight:600;margin-bottom:10px}
.qa-options{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}
.qa-option{display:flex;align-items:center;gap:8px;padding:8px 12px;
background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);
cursor:pointer;font-size:13px;font-family:var(--font);color:var(--text-2);
transition:border-color 150ms ease,color 150ms ease}
.qa-option:hover{border-color:var(--text-3);color:var(--text)}
.qa-option.selected{border-color:var(--primary);color:var(--text)}
.imp-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.imp-row>span{font-size:12px;white-space:nowrap}
.imp-options{display:flex;gap:4px;flex-wrap:wrap}
.imp-option{font-size:11px;padding:4px 10px;border-radius:var(--radius);
border:1px solid var(--border);color:var(--text-3);cursor:pointer;
background:none;font-family:var(--font);transition:all 150ms ease;white-space:nowrap}
.imp-option:hover{border-color:var(--text-3);color:var(--text-2)}
.imp-option.selected{border-color:var(--accent);color:var(--accent);background:rgba(20,184,166,0.1)}
.onboarding-actions{display:flex;gap:8px;margin-top:auto;padding-top:16px}
/* ══════════════════════════════════════════════════
APP SHELL
══════════════════════════════════════════════════ */
#screen-app{height:100vh}
.app-container{display:flex;flex-direction:column;height:100%;width:100%}
.app-body{flex:1;overflow:hidden;display:flex;flex-direction:column;padding-bottom:46px}
.app-header{display:flex;align-items:center;justify-content:space-between;
padding:12px 16px;border-bottom:1px solid var(--border);flex-shrink:0}
.app-header h2{font-size:16px;font-weight:600}
.bottom-nav{display:flex;border-top:1px solid var(--border);background:var(--bg);flex-shrink:0;
position:fixed;bottom:0;left:0;right:0;z-index:40}
.bottom-nav button{flex:1;padding:10px 0;background:none;border:none;
color:var(--text-3);font-family:var(--font);font-size:12px;cursor:pointer;
display:flex;flex-direction:column;align-items:center;gap:2px;transition:color 150ms ease}
.bottom-nav button .nav-icon{font-size:18px}
.bottom-nav button.active{color:var(--primary)}
.tab-content{display:none;flex:1;flex-direction:column;overflow:hidden;min-height:0}
.tab-content.active{display:flex}
/* ══════════════════════════════════════════════════
DISCOVER
══════════════════════════════════════════════════ */
.discover-area{flex:1;min-height:0;display:flex;flex-direction:column;
align-items:center;padding:16px;overflow-y:auto}
.profile-card{width:100%;max-width:600px;background:var(--surface);
border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.profile-card-header{position:relative;width:100%;height:250px;overflow:hidden}
.profile-card-header .profile-photo{width:100%;height:100%;object-fit:cover;display:block}
.profile-card-overlay{position:absolute;bottom:0;left:0;right:0;
padding:48px 16px 16px;background:linear-gradient(transparent,rgba(0,0,0,0.75))}
.profile-name-row{display:flex;align-items:baseline;justify-content:space-between}
.profile-name-row h2{font-size:22px;font-weight:600;color:#fff}
.compat-badge{font-size:15px;font-weight:600;color:var(--accent);
background:rgba(20,184,166,0.18);padding:4px 10px;border-radius:var(--radius)}
.profile-location{font-size:13px;color:rgba(255,255,255,0.7);margin-top:2px}
.profile-card-body{padding:16px}
.profile-bio{font-size:14px;color:var(--text-2);margin-bottom:12px;line-height:1.5}
.profile-badges{display:flex;gap:6px;margin-bottom:10px}
.profile-badge{font-size:14px;width:28px;height:28px;display:flex;align-items:center;
justify-content:center;background:var(--surface-2);border-radius:var(--radius)}
.profile-intent{font-size:13px;color:var(--text-2);margin-bottom:14px}
.signals-section{border-top:1px solid var(--border);padding-top:12px}
.signals-section h3{font-size:12px;font-weight:600;color:var(--text-3);margin-bottom:8px;
text-transform:uppercase;letter-spacing:0.3px}
.breakdown-chips{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.bd-chip{display:inline-flex;align-items:center;gap:4px;font-size:12px;
padding:3px 8px;background:var(--surface-2);border:1px solid var(--border);
border-radius:var(--radius);color:var(--text-2)}
.signal{display:flex;gap:8px;padding:6px 0;font-size:13px;line-height:1.4;color:var(--text-2)}
.signal .signal-icon{width:18px;text-align:center;flex-shrink:0}
.signal.signal-niche{color:var(--accent)}
.niche-tag{font-size:10px;padding:1px 6px;border-radius:var(--radius);
background:rgba(20,184,166,0.12);color:var(--accent);margin-left:auto;white-space:nowrap}
.card-actions{display:flex;justify-content:center;gap:16px;padding:16px;flex-shrink:0}
.btn-pass,.btn-like{width:56px;height:56px;border-radius:50%;font-size:24px;
display:flex;align-items:center;justify-content:center;cursor:pointer;
transition:background 150ms ease;border:none}
.btn-pass{background:var(--surface);border:1px solid var(--border);color:var(--text-3)}
.btn-pass:hover{color:var(--danger)}
.btn-like{background:var(--primary);color:#fff}
.btn-like:hover{background:var(--primary-hover)}
.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;
justify-content:center;color:var(--text-3);font-size:14px;padding:24px;text-align:center}
.empty-state .empty-icon{font-size:32px;margin-bottom:12px}
/* ══════════════════════════════════════════════════
MATCHES
══════════════════════════════════════════════════ */
.matches-list{padding:8px 0;flex:1;overflow-y:auto}
.match-row{display:flex;align-items:center;gap:12px;padding:12px 16px;
cursor:pointer;transition:background 150ms ease;max-width:600px}
.match-row:hover{background:var(--surface)}
.match-avatar{width:48px;height:48px;border-radius:50%;object-fit:cover}
.match-info{flex:1;min-width:0}
.match-name-row{display:flex;align-items:center;justify-content:space-between;gap:8px}
.match-name-row strong{font-size:14px}
.compat-small{font-size:12px;font-weight:600;color:var(--accent)}
.match-preview{font-size:13px;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* ══════════════════════════════════════════════════
CHAT
══════════════════════════════════════════════════ */
.chat-header{display:flex;align-items:center;gap:12px;padding:12px 16px;
border-bottom:1px solid var(--border);flex-shrink:0;position:sticky;top:0;
background:var(--bg);z-index:30}
.btn-back{background:none;border:none;color:var(--text-2);font-size:18px;cursor:pointer;padding:4px}
.chat-avatar{width:32px;height:32px;border-radius:50%;object-fit:cover}
.chat-header-info strong{font-size:14px;display:block}
.chat-clickable{cursor:pointer;display:flex;align-items:center;gap:12px}
.chat-clickable:hover{opacity:0.85}
.chat-messages{flex:1;padding:16px;overflow-y:auto;display:flex;flex-direction:column;gap:8px;
max-width:700px;width:100%}
.chat-bubble{max-width:80%;padding:10px 14px;border-radius:var(--radius);font-size:14px;line-height:1.5}
.chat-them{align-self:flex-start;background:var(--surface);color:var(--text)}
.chat-you{align-self:flex-end;background:var(--primary);color:#fff}
.chat-input{display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--border);flex-shrink:0}
.chat-input input{flex:1;padding:10px 12px;background:var(--surface);border:1px solid var(--border);
border-radius:var(--radius);color:var(--text);font-family:var(--font);font-size:14px;outline:none}
.chat-input input:focus{border-color:var(--primary)}
/* ══════════════════════════════════════════════════
PROFILE (own)
══════════════════════════════════════════════════ */
.profile-view{padding:24px 16px;overflow-y:auto;flex:1;max-width:600px}
.profile-header{text-align:center;margin-bottom:24px}
.profile-photo-lg{width:80px;height:80px;border-radius:50%;object-fit:cover;margin-bottom:12px}
.profile-header h2{font-size:18px;font-weight:600;margin-bottom:2px}
.profile-header .profile-bio{margin-top:8px}
.profile-section{margin-bottom:24px}
.profile-section h3{font-size:13px;font-weight:600;color:var(--text-3);margin-bottom:12px}
.profile-int-list{display:flex;flex-direction:column;gap:8px}
.profile-int{display:flex;align-items:center;gap:12px;padding:10px 12px;
background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}
.profile-int .pi-icon{font-size:18px;width:28px;text-align:center}
.profile-int .pi-info{flex:1}
.profile-int .pi-info strong{font-size:13px;display:block}
.profile-int .pi-status{font-size:13px;color:var(--text-3)}
.profile-int.connected .pi-status{color:var(--accent)}
.profile-cat-group{margin-bottom:12px}
.profile-cat-label{font-size:12px;font-weight:500;color:var(--text-3);display:block;margin-bottom:6px}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.stat-card{padding:12px;background:var(--surface);border:1px solid var(--border);
border-radius:var(--radius);text-align:center}
.stat-value{font-size:20px;font-weight:600;display:block}
.profile-actions{display:flex;flex-direction:column;gap:8px;margin-top:24px}
/* Edit profile form */
.edit-form{max-width:480px;margin:0 auto;width:100%}
.edit-form h2{font-size:18px;font-weight:600;margin-bottom:20px}
.edit-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}
/* ══════════════════════════════════════════════════
PROFILE OVERLAY
══════════════════════════════════════════════════ */
.profile-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.85);display:none;
align-items:center;justify-content:center;z-index:100;overflow-y:auto;padding:24px}
.profile-overlay.active{display:flex}
.overlay-content{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
padding:24px;max-width:480px;width:100%;max-height:90vh;overflow-y:auto;position:relative}
.overlay-close{position:absolute;top:12px;right:12px;background:none;border:none;
color:var(--text-2);font-size:18px;cursor:pointer;padding:4px}
.overlay-close:hover{color:var(--text)}
.overlay-header{text-align:center;margin-bottom:16px}
.overlay-header .profile-photo-lg{margin-bottom:12px}
.overlay-header h2{margin-bottom:4px}
.overlay-header .compat-badge{margin-top:8px;display:inline-block}
/* ══════════════════════════════════════════════════
MATCH POPUP
══════════════════════════════════════════════════ */
.match-popup{position:fixed;inset:0;background:rgba(0,0,0,0.8);display:none;
align-items:center;justify-content:center;z-index:100}
.match-popup.active{display:flex}
.match-popup-content{background:var(--surface);border:1px solid var(--border);
border-radius:var(--radius);padding:32px;text-align:center;max-width:360px;width:90%}
.match-popup-content h2{font-size:20px;font-weight:600;margin-bottom:8px;color:var(--accent)}
.match-popup-content p{font-size:14px;color:var(--text-2);margin-bottom:20px}
.match-popup-actions{display:flex;gap:8px;justify-content:center}
/* ══════════════════════════════════════════════════
SWIPE GESTURES
══════════════════════════════════════════════════ */
.profile-card{touch-action:pan-y}
.profile-card.swiping{transition:none!important}
.profile-card.swipe-left{transform:translateX(-120%) rotate(-15deg)!important;opacity:0!important;
transition:transform 0.3s ease,opacity 0.3s ease!important}
.profile-card.swipe-right{transform:translateX(120%) rotate(15deg)!important;opacity:0!important;
transition:transform 0.3s ease,opacity 0.3s ease!important}
/* ── Onboarding skip ─────────────────────────────── */
.ob-skip{display:flex;justify-content:flex-end;margin-bottom:8px}
.ob-skip button{background:none;border:none;color:var(--text-3);font-family:var(--font);
font-size:13px;cursor:pointer;padding:4px 0}
.ob-skip button:hover{color:var(--text-2)}
/* ── Demo hints ──────────────────────────────────── */
.demo-hint{padding:10px 14px;background:rgba(168,85,247,0.1);border:1px solid rgba(168,85,247,0.25);
border-radius:var(--radius);font-size:12px;color:var(--text-2);margin-bottom:12px;
display:flex;align-items:flex-start;gap:8px;max-width:600px;width:100%}
.demo-hint .hint-icon{font-size:14px;flex-shrink:0;margin-top:1px}
.demo-hint .hint-dismiss{background:none;border:none;color:var(--text-3);cursor:pointer;
font-size:14px;margin-left:auto;flex-shrink:0;padding:0 2px;font-family:var(--font);line-height:1}
.demo-hint .hint-dismiss:hover{color:var(--text)}
/* ══════════════════════════════════════════════════
RESPONSIVE
══════════════════════════════════════════════════ */
@media(min-width:769px){
.app-body{padding:0 24px 46px}
.chat-messages{margin:0 auto}
}
@media(max-width:768px){
.landing-hero{grid-template-columns:1fr;padding:40px 16px 32px;gap:28px}
.hero-content h1{font-size:28px}
.landing-section{padding:40px 16px}
.integration-tiles{grid-template-columns:repeat(auto-fill,minmax(100px,1fr))}
.features-grid{grid-template-columns:1fr 1fr}
.ob-tiles{grid-template-columns:repeat(auto-fill,minmax(100px,1fr))}
.algo-comparison{grid-template-columns:1fr;gap:8px}
.algo-vs{text-align:center}
.form-row{grid-template-columns:1fr}
}
@media(max-width:480px){
.hero-content h1{font-size:24px}
.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}
.hero-visual{grid-template-columns:1fr 1fr;gap:8px}
.features-grid{grid-template-columns:1fr}
.profile-card-header{height:200px}
.imp-row{flex-direction:column;align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){
*,*::before,*::after{transition-duration:0s!important;animation-duration:0s!important}
html{scroll-behavior:auto}
}