/* ═══════════════════════════════════════════════════════════════════════════
   BOA Theme — Design tokens + PicoCSS overrides
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
    /* BOA design tokens */
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #dbeafe;
    --accent: #f59e0b;
    --accent-light: #fef3c7;
    --success: #10b981;
    --success-light: #d1fae5;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --warning: #f59e0b;
    --orange: #f97316;
    --slate: #475569;
    --bg: #f1f5f9;
    --card: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,.12);
    --radius: 12px;
    --radius-sm: 8px;

    /* PicoCSS overrides */
    --pico-primary: var(--primary);
    --pico-primary-hover: var(--primary-dark);
    --pico-primary-focus: rgba(37, 99, 235, 0.25);
    --pico-primary-inverse: #fff;
    --pico-border-radius: var(--radius-sm);
    --pico-background-color: var(--bg);
    --pico-card-background-color: var(--card);
    --pico-card-border-color: transparent;
    --pico-card-box-shadow: var(--shadow);
    --pico-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --pico-color: var(--text);
    --pico-muted-color: var(--text-muted);
    --pico-border-color: var(--border);
    --pico-block-spacing-vertical: 1rem;
    --pico-block-spacing-horizontal: 1rem;
}

/* Tighten PicoCSS article spacing for card-like usage */
article { margin-bottom: 14px; }
article > header { padding: 0.75rem 1rem; }
article > footer { padding: 0.75rem 1rem; }

/* Tap highlight for mobile */
body { -webkit-tap-highlight-color: transparent; }

/* Sticky nav */
nav.topbar {
    background: var(--card); border-bottom: 1px solid var(--border);
    padding: 12px 20px; display: flex; align-items: center;
    justify-content: space-between; position: sticky; top: 0;
    z-index: 100; box-shadow: var(--shadow); gap: 12px; margin: 0;
}
nav.topbar h1 { font-size: 1.1rem; font-weight: 700; flex: 1; color: var(--text); margin: 0; }
nav.topbar a, nav.topbar button:not([role="button"]) {
    color: var(--primary); background: none; border: none;
    cursor: pointer; font-size: 1rem; text-decoration: none;
    padding: 0; margin: 0;
}
nav.topbar .back-btn { margin-right: 10px; color: var(--primary); font-size: 1.2rem; }

.topbar-left { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.topbar-left .logo { font-weight: 700; font-size: 1.05rem; color: var(--primary-dark); margin: 0; }
.topbar-center { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; justify-content: center; flex: 1; }
.topbar-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

.header-left { display: flex; align-items: center; gap: 16px; }
.header-right { display: flex; align-items: center; gap: 14px; }
.logo-text { font-size: 1.3rem; font-weight: 800; color: var(--primary); }
.company-text { font-size: .95rem; color: var(--text-muted); font-weight: 600; }
.user-text { font-weight: 600; font-size: .9rem; }
.date-text { color: var(--text-muted); font-size: .85rem; }

/* Nav buttons (date pickers, view switches) */
.nav-btn {
    padding: 8px 14px; border: 1px solid var(--border); background: var(--card);
    border-radius: var(--radius-sm); cursor: pointer; font-size: .85rem;
    color: var(--text); text-decoration: none; display: inline-flex;
    align-items: center; gap: 4px; transition: all .15s; min-height: 40px;
}
.nav-btn:hover { background: var(--primary-light); border-color: var(--primary); color: var(--primary); text-decoration: none; }
.nav-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.today-btn { background: var(--primary); color: #fff; border-color: var(--primary); font-weight: 600; }
.today-btn:hover { background: var(--primary-dark); color: #fff; text-decoration: none; }
.date-input { padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px;
    font-size: .85rem; color: var(--text); background: var(--card); min-height: 40px; }

/* Logout button */
.btn-logout {
    padding: 6px 14px; background: none; border: 1.5px solid var(--border);
    border-radius: var(--radius-sm); color: var(--text-muted); font-size: .85rem;
    text-decoration: none; transition: all .15s; cursor: pointer;
}
.btn-logout:hover { border-color: var(--danger); color: var(--danger); text-decoration: none; }

/* Mode switcher tabs */
.mode-tabs { display: flex; gap: 0; background: var(--card); border-bottom: 1px solid var(--border);
    padding: 0 16px; overflow-x: auto; margin: 0; }
.mode-tab { padding: 12px 16px; font-size: .9rem; font-weight: 600; color: var(--text-muted);
    cursor: pointer; border-bottom: 3px solid transparent; transition: all .15s; text-decoration: none;
    white-space: nowrap; }
.mode-tab:hover { color: var(--primary); text-decoration: none; }
.mode-tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* Responsive */
@media (max-width: 768px) {
    nav.topbar { padding: 10px 14px; flex-wrap: wrap; }
    .topbar-center { order: 3; width: 100%; justify-content: center; }
    .header-right { flex-wrap: wrap; justify-content: center; }
}
@media (max-width: 480px) {
    .topbar-center { gap: 4px; }
    .nav-btn { padding: 6px 10px; font-size: .8rem; min-height: 36px; }
    .today-btn { padding: 6px 12px; }
    .date-input { padding: 6px 8px; font-size: .8rem; min-height: 36px; }
}