:root {
    --bg: #0b0b0d;
    --card: #17171b;
    --card-2: #1f1f24;
    --border: #2a2a30;
    --text: #f2f2f3;
    --text-dim: #9a9aa2;
    --green: #34c759;
    --red: #ff453a;
    --accent: #5b8cff;
    --radius: 16px;
    --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    padding-bottom: calc(72px + var(--safe-bottom));
    min-height: 100dvh;
}

a { color: inherit; text-decoration: none; }

/* ---------- Login ---------- */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100dvh;
    padding: 24px;
}
.login-card {
    width: 100%;
    max-width: 360px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
}
.login-logo { font-size: 48px; margin-bottom: 8px; }
.login-card h1 { margin: 0 0 4px; font-size: 22px; }
.login-card .sub { color: var(--text-dim); font-size: 14px; margin-bottom: 24px; }
.login-card form { display: flex; flex-direction: column; gap: 14px; text-align: left; }
.login-card label { font-size: 13px; color: var(--text-dim); display: flex; flex-direction: column; gap: 6px; }
.login-card input {
    background: var(--card-2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 14px;
    color: var(--text);
    font-size: 16px;
}
.hint { margin-top: 20px; font-size: 12px; color: var(--text-dim); line-height: 1.6; }
.error {
    background: rgba(255, 69, 58, 0.12);
    border: 1px solid rgba(255, 69, 58, 0.4);
    color: #ff8983;
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 13px;
    margin-bottom: 16px;
}

/* ---------- Buttons ---------- */
.btn {
    border: none;
    border-radius: 12px;
    padding: 14px 20px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-block { width: 100%; }
.btn-ghost {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}
.btn-danger { background: rgba(255,69,58,0.15); color: #ff8983; border: 1px solid rgba(255,69,58,0.4); }

/* ---------- Top bar ---------- */
.topbar {
    position: sticky;
    top: 0;
    z-index: 5;
    background: rgba(11,11,13,0.9);
    backdrop-filter: blur(10px);
    padding: 16px 20px 12px;
    border-bottom: 1px solid var(--border);
}
.topbar h1 { font-size: 18px; margin: 0; }
.topbar .greeting { font-size: 13px; color: var(--text-dim); margin-top: 2px; }

.page { padding: 16px; max-width: 560px; margin: 0 auto; }

/* ---------- Punch card ---------- */
.punch-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 20px;
    text-align: center;
    margin-bottom: 16px;
}
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 20px;
    margin-bottom: 18px;
}
.status-pill.in { background: rgba(52,199,89,0.15); color: var(--green); }
.status-pill.out { background: rgba(154,154,162,0.15); color: var(--text-dim); }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; }

.punch-btn {
    width: 168px;
    height: 168px;
    border-radius: 50%;
    border: none;
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    background: var(--green);
    box-shadow: 0 0 0 8px rgba(52,199,89,0.12);
    transition: transform 0.08s ease, background 0.2s ease, box-shadow 0.2s ease;
    margin: 4px auto 18px;
    display: block;
}
.punch-btn:active { transform: scale(0.96); }
.punch-btn.is-out { background: var(--red); box-shadow: 0 0 0 8px rgba(255,69,58,0.12); }
.punch-btn .time { display: block; font-size: 13px; font-weight: 400; opacity: 0.85; margin-top: 4px; }

.live-timer { font-size: 13px; color: var(--text-dim); }

/* ---------- Stat grid ---------- */
.stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 16px;
}
.stat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
}
.stat-card .label { font-size: 12px; color: var(--text-dim); margin-bottom: 6px; }
.stat-card .value { font-size: 24px; font-weight: 700; }

/* ---------- Shift list ---------- */
.section-title {
    font-size: 13px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin: 20px 0 8px 2px;
}
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.shift-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 13px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.shift-row:last-child { border-bottom: none; }
.shift-row .times { color: var(--text); }
.shift-row .times .out-running { color: var(--green); }
.shift-row .dur { color: var(--text-dim); font-variant-numeric: tabular-nums; }
.empty-state { padding: 24px 16px; text-align: center; color: var(--text-dim); font-size: 14px; }

/* ---------- Note box ---------- */
.note-box {
    width: 100%;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    padding: 14px;
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
    min-height: 70px;
}
.note-save-row { display: flex; justify-content: flex-end; margin-top: 8px; }
.note-save-row .btn { padding: 8px 16px; font-size: 13px; }
.save-hint { font-size: 12px; color: var(--text-dim); margin-right: auto; align-self: center; }

/* ---------- Bottom nav ---------- */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    background: rgba(17,17,20,0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border);
    padding: 8px 0 calc(8px + var(--safe-bottom));
    z-index: 10;
}
.nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    font-size: 11px;
    color: var(--text-dim);
    padding: 4px 0;
}
.nav-item .icon { font-size: 20px; }
.nav-item.active { color: var(--accent); }

/* ---------- Forms (report / profile) ---------- */
.form-row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.form-row label { font-size: 13px; color: var(--text-dim); }
.form-row input, .form-row select {
    background: var(--card-2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 11px 12px;
    color: var(--text);
    font-size: 15px;
}
.form-inline { display: flex; gap: 10px; }
.form-inline .form-row { flex: 1; }
.segmented {
    display: flex;
    background: var(--card-2);
    border-radius: 10px;
    padding: 3px;
    border: 1px solid var(--border);
}
.segmented button {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-dim);
    padding: 9px 0;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
}
.segmented button.active { background: var(--accent); color: #fff; }

.report-day { margin-bottom: 10px; }
.report-day-head {
    display: flex;
    justify-content: space-between;
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 600;
}
.report-day-head .tot { color: var(--accent); font-variant-numeric: tabular-nums; }
.report-note {
    padding: 0 16px 12px;
    font-size: 13px;
    color: var(--text-dim);
    font-style: italic;
}
.report-total-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 16px;
}
.report-total-bar .big { font-size: 22px; font-weight: 700; }

.profile-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 12px;
}
.toast {
    position: fixed;
    left: 50%;
    bottom: calc(84px + var(--safe-bottom));
    transform: translateX(-50%) translateY(20px);
    background: var(--card-2);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 10px 18px;
    border-radius: 30px;
    font-size: 13px;
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
    pointer-events: none;
    z-index: 50;
    white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }