:root {
    --bg: #f4f7fb;
    --card: #ffffff;
    --text: #111827;
    --muted: #6b7280;
    --border: rgba(17, 24, 39, .10);
    --primary: #0f766e;
    --primary-2: #14b8a6;
    --primary-soft: rgba(20, 184, 166, .14);
    --warning: #f59e0b;
    --warning-soft: rgba(245, 158, 11, .15);
    --info: #2563eb;
    --info-soft: rgba(37, 99, 235, .12);
    --danger: #dc2626;
    --success: #16a34a;
    --shadow: 0 20px 60px rgba(15, 23, 42, .10);
    --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-height: 100vh;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(20, 184, 166, .22), transparent 34rem),
        radial-gradient(circle at 90% 10%, rgba(37, 99, 235, .14), transparent 28rem),
        var(--bg);
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.login-body {
    display: grid;
    place-items: center;
    padding: 24px;
}
.login-shell { width: min(460px, 100%); }
.glass-card, .hero-card, .stat-card, .sticker-card, .team-card {
    background: rgba(255,255,255,.86);
    border: 1px solid rgba(255,255,255,.72);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}
.login-card {
    border-radius: 32px;
    padding: 34px;
}
.brand-mark {
    width: 72px;
    height: 72px;
    display: grid;
    place-items: center;
    font-size: 34px;
    border-radius: 22px;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    box-shadow: 0 16px 40px rgba(15, 118, 110, .28);
    margin-bottom: 20px;
}
.eyebrow {
    margin: 0 0 8px;
    color: var(--primary);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .12em;
}
h1, h2 { margin: 0; line-height: 1.05; }
h1 { font-size: clamp(32px, 6vw, 54px); letter-spacing: -.04em; }
h2 { font-size: clamp(22px, 4vw, 30px); letter-spacing: -.03em; }
.login-subtitle { color: var(--muted); line-height: 1.6; margin: 14px 0 24px; }
.login-form { display: grid; gap: 16px; }
.login-form label { display: grid; gap: 8px; color: var(--muted); font-size: 14px; font-weight: 700; }
.login-form input, .search-box input, select, textarea, .mini-input {
    width: 100%;
    border: 1px solid var(--border);
    background: rgba(255,255,255,.94);
    border-radius: 16px;
    padding: 13px 14px;
    outline: none;
    transition: border-color .2s, box-shadow .2s, transform .2s;
}
.login-form input:focus, .search-box input:focus, select:focus, textarea:focus, .mini-input:focus {
    border-color: rgba(20,184,166,.7);
    box-shadow: 0 0 0 4px rgba(20,184,166,.12);
}
.login-footnote { color: var(--muted); font-size: 13px; line-height: 1.5; margin: 22px 0 0; }
.alert { border-radius: 18px; padding: 13px 15px; margin: 16px 0; font-size: 14px; }
.alert-error { color: #991b1b; background: #fee2e2; border: 1px solid #fecaca; }
.alert-success { color: #166534; background: #dcfce7; border: 1px solid #bbf7d0; }
.install-list { color: var(--muted); line-height: 1.8; padding-left: 20px; }

.btn {
    border: 0;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    border-radius: 16px;
    font-weight: 800;
    transition: transform .18s, box-shadow .18s, background .18s, opacity .18s;
    white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
    color: white;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    box-shadow: 0 12px 30px rgba(15, 118, 110, .22);
}
.btn-soft { color: var(--primary); background: var(--primary-soft); }
.btn-ghost { color: var(--muted); background: rgba(17,24,39,.06); }
.btn-full { width: 100%; }

.app-shell { min-height: 100vh; }
.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px clamp(16px, 4vw, 40px);
    background: rgba(244, 247, 251, .78);
    border-bottom: 1px solid rgba(17,24,39,.08);
    backdrop-filter: blur(16px);
}
.topbar-brand { display: flex; align-items: center; gap: 12px; }
.brand-icon {
    width: 46px; height: 46px;
    display: grid; place-items: center;
    border-radius: 15px;
    color: white;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    box-shadow: 0 8px 24px rgba(15, 118, 110, .22);
}
.topbar-brand strong { display: block; font-size: 17px; letter-spacing: -.02em; }
.topbar-brand span, .topbar-user span { color: var(--muted); font-size: 13px; }
.topbar-user { display: flex; align-items: center; gap: 12px; }
.content {
    width: min(1400px, 100%);
    margin: 0 auto;
    padding: 28px clamp(16px, 4vw, 40px) 60px;
}
.hero-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    border-radius: 34px;
    padding: clamp(22px, 4vw, 40px);
    overflow: hidden;
    position: relative;
}
.hero-card::after {
    content: "";
    position: absolute;
    inset: auto -10% -65% auto;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(20,184,166,.16), transparent 62%);
}
.hero-card p:not(.eyebrow) { color: var(--muted); max-width: 700px; line-height: 1.6; margin: 14px 0 0; }
.hero-progress { position: relative; z-index: 1; display: grid; justify-items: center; gap: 8px; color: var(--muted); }
.progress-ring {
    --p: 0;
    width: 134px;
    height: 134px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: conic-gradient(var(--primary-2) calc(var(--p) * 1%), rgba(17,24,39,.08) 0);
    position: relative;
}
.progress-ring::before {
    content: "";
    width: 94px;
    height: 94px;
    border-radius: 50%;
    background: white;
    position: absolute;
}
.progress-ring span { position: relative; font-size: 24px; font-weight: 900; }

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 18px;
}
.stat-card {
    border-radius: var(--radius);
    padding: 22px;
    border: 1px solid rgba(255,255,255,.72);
}
.stat-card span { color: var(--muted); font-weight: 800; font-size: 13px; }
.stat-card strong { display: block; font-size: 38px; letter-spacing: -.04em; margin: 6px 0; }
.stat-card small { color: var(--muted); }
.stat-card.accent { background: linear-gradient(135deg, rgba(20,184,166,.16), rgba(255,255,255,.9)); }
.stat-card.warning { background: linear-gradient(135deg, var(--warning-soft), rgba(255,255,255,.9)); }
.stat-card.info { background: linear-gradient(135deg, var(--info-soft), rgba(255,255,255,.9)); }

.toolbar {
    display: grid;
    grid-template-columns: minmax(260px, 1.4fr) minmax(160px, .7fr) minmax(140px, .55fr) minmax(170px, .7fr) auto auto;
    gap: 12px;
    border-radius: 26px;
    padding: 14px;
    margin: 18px 0 28px;
}
.search-box { position: relative; }
.search-box span { position: absolute; left: 15px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: 20px; }
.search-box input { padding-left: 44px; }

.section-title-row {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 16px;
    margin: 28px 0 14px;
}
.results-count { color: var(--muted); font-weight: 800; }
.teams-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 14px;
}
.team-card {
    border-radius: 22px;
    padding: 16px;
    border: 1px solid rgba(255,255,255,.72);
    cursor: pointer;
    transition: transform .18s, box-shadow .18s, border-color .18s;
}
.team-card:hover { transform: translateY(-2px); border-color: rgba(20,184,166,.36); }
.team-card header { display: flex; justify-content: space-between; gap: 10px; align-items: center; margin-bottom: 12px; }
.team-code { font-size: 12px; color: var(--primary); font-weight: 900; letter-spacing: .08em; }
.team-name { font-weight: 900; }
.team-progressbar, .card-progressbar {
    height: 9px;
    border-radius: 999px;
    background: rgba(17,24,39,.08);
    overflow: hidden;
}
.team-progressbar span, .card-progressbar span {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--primary), var(--primary-2));
}
.team-meta { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; margin-top: 10px; font-weight: 700; }

.stickers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}
.sticker-card {
    border-radius: 26px;
    padding: 18px;
    border: 1px solid rgba(255,255,255,.72);
    position: relative;
    overflow: hidden;
}
.sticker-card.have { border-color: rgba(22,163,74,.30); }
.sticker-card.have::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 5px;
    background: linear-gradient(90deg, var(--success), var(--primary-2));
}
.card-top { display: flex; justify-content: space-between; gap: 12px; align-items: start; }
.sticker-code { font-size: 22px; font-weight: 950; letter-spacing: -.03em; }
.sticker-control { color: var(--muted); font-size: 12px; font-weight: 800; }
.badge {
    display: inline-flex;
    padding: 7px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 900;
    background: rgba(17,24,39,.06);
    color: var(--muted);
}
.badge.have { color: #166534; background: #dcfce7; }
.badge.missing { color: #92400e; background: #fef3c7; }
.sticker-title { margin: 14px 0 6px; font-size: 16px; font-weight: 900; line-height: 1.3; }
.sticker-sub { color: var(--muted); font-size: 13px; line-height: 1.4; min-height: 36px; }
.card-actions { display: grid; grid-template-columns: 1fr auto; gap: 10px; margin-top: 16px; }
.toggle-have {
    border: 1px solid var(--border);
    background: white;
    color: var(--text);
}
.sticker-card.have .toggle-have { background: #dcfce7; color: #166534; border-color: #bbf7d0; }
.repeats-wrap { display: flex; align-items: center; gap: 8px; }
.repeats-wrap label { color: var(--muted); font-size: 12px; font-weight: 800; }
.mini-input { width: 74px; padding: 10px 8px; text-align: center; border-radius: 14px; }
.notes { margin-top: 10px; min-height: 42px; resize: vertical; }
.card-save-row { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 10px; }
.small-muted { color: var(--muted); font-size: 12px; }
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--muted);
    background: rgba(255,255,255,.75);
    border: 1px dashed var(--border);
    border-radius: 26px;
    padding: 48px 20px;
}
.load-more { grid-column: 1 / -1; display: flex; justify-content: center; margin: 8px 0 20px; }
.toast {
    position: fixed;
    left: 50%;
    bottom: 22px;
    transform: translateX(-50%) translateY(20px);
    min-width: min(420px, calc(100vw - 28px));
    padding: 14px 16px;
    border-radius: 18px;
    color: white;
    background: rgba(17,24,39,.92);
    box-shadow: 0 20px 50px rgba(0,0,0,.24);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s, transform .2s;
    z-index: 100;
    text-align: center;
    font-weight: 800;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 1100px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .toolbar { grid-template-columns: 1fr 1fr; }
    .toolbar .search-box { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
    .topbar { align-items: flex-start; }
    .topbar-user { flex-direction: column; align-items: flex-end; gap: 8px; }
    .topbar-user span { display: none; }
    .hero-card { align-items: flex-start; flex-direction: column; }
    .hero-progress { width: 100%; }
    .stats-grid { grid-template-columns: 1fr; }
    .toolbar { grid-template-columns: 1fr; }
    .section-title-row { align-items: flex-start; flex-direction: column; }
    .stickers-grid { grid-template-columns: 1fr; }
    .teams-grid { grid-template-columns: 1fr; }
    .login-card { padding: 24px; border-radius: 26px; }
    .card-actions { grid-template-columns: 1fr; }
    .repeats-wrap { justify-content: space-between; }
}