/* =========================================================
   Chrisecounter — field-counting PWA
   Minimal, mobile-first, high-contrast for outdoor use.
   ========================================================= */

:root {
    --bg:           #f7f5f0;     /* warm off-white */
    --surface:      #ffffff;
    --surface-2:    #efece4;
    --border:       #d9d4c7;
    --text:         #1c1f1a;
    --text-muted:   #5e6359;
    --accent:       #2f8f6f;     /* calm green */
    --accent-dark:  #246d55;
    --accent-soft:  #d8ede4;
    --danger:       #b3331f;
    --warning-bg:   #fff4d6;
    --warning-text: #5a4500;
    --shadow:       0 1px 2px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.06);
    --radius:       14px;
    --radius-sm:    10px;
    --tap:          48px;
}

* { 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 Neue", Arial, sans-serif;
    font-size: 17px;
    line-height: 1.4;
    -webkit-font-smoothing: antialiased;
    -webkit-text-size-adjust: 100%;
    overscroll-behavior-y: contain;
}

body {
    min-height: 100dvh;
    padding-bottom: env(safe-area-inset-bottom);
}

h1, h2, h3 { margin: 0; }

button, input { font: inherit; color: inherit; }

/* ---------- Top bar ---------- */
.topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: calc(env(safe-area-inset-top) + 14px) 16px 14px;
    position: sticky;
    top: 0;
    z-index: 10;
}
.topbar h1 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}
.topbar--session {
    display: flex;
    align-items: center;
    gap: 8px;
}
.topbar__back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--tap);
    height: var(--tap);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text);
    font-size: 1.6rem;
    line-height: 1;
    background: transparent;
}
.topbar__back:active { background: var(--surface-2); }
.topbar__meta { flex: 1; min-width: 0; }
.topbar__date { font-weight: 700; font-size: 1.05rem; }
.topbar__desc {
    color: var(--text-muted);
    font-size: 0.92rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ---------- Layout ---------- */
.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 16px 16px 32px;
}
.container--session {
    display: grid;
    gap: 14px;
}

/* ---------- Buttons ---------- */
.btn {
    appearance: none;
    -webkit-appearance: none;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    padding: 12px 18px;
    min-height: var(--tap);
    min-width: var(--tap);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: var(--surface);
    color: var(--text);
    transition: transform 0.04s ease-in;
}
.btn:active { transform: scale(0.99); }
.btn--primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.btn--primary:active { background: var(--accent-dark); }
.btn--secondary {
    background: var(--accent-soft);
    color: var(--accent-dark);
    border-color: transparent;
}
.btn--ghost {
    background: transparent;
    color: var(--text);
    border-color: var(--border);
}
.btn--danger {
    background: var(--danger);
    color: #fff;
    border-color: var(--danger);
}
.btn--block { width: 100%; }
.btn--large { min-height: 60px; font-size: 1.1rem; }

/* ---------- Start page: actions ---------- */
.actions {
    display: grid;
    gap: 10px;
    margin-bottom: 22px;
}

/* ---------- Logbook ---------- */
.logbook__title {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 8px 4px 10px;
}
.empty {
    text-align: center;
    color: var(--text-muted);
    padding: 32px 8px;
}
.logbook__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 12px;
}
.entry {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    box-shadow: var(--shadow);
}
.entry[data-status="closed"] { opacity: 0.85; }
.entry__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}
.entry__date { font-weight: 700; font-size: 1.02rem; }
.entry__status {
    font-size: 0.78rem;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 999px;
    text-transform: lowercase;
}
.entry__status--open {
    background: var(--accent-soft);
    color: var(--accent-dark);
}
.entry__status--closed {
    background: var(--surface-2);
    color: var(--text-muted);
}
.entry__desc {
    margin-top: 4px;
    color: var(--text-muted);
    font-size: 0.93rem;
}
.entry__counts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin: 12px 0 0;
}
.entry__counts > div {
    background: var(--surface-2);
    border-radius: var(--radius-sm);
    padding: 8px 6px;
    text-align: center;
}
.entry__counts dt {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.entry__counts dd {
    margin: 4px 0 0;
    font-size: 1.15rem;
    font-weight: 700;
}
.entry__actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}
.entry__actions .btn { flex: 1; }
.entry__actions .btn--ghost { flex: 0 0 auto; }

/* ---------- Counter cards (session view) ---------- */
.counter {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 16px 14px;
    box-shadow: var(--shadow);
    text-align: center;
}
.counter__name {
    font-size: 0.92rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 6px;
}
.counter__value {
    font-size: 4.2rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.02em;
    margin: 8px 0 14px;
    font-variant-numeric: tabular-nums;
    color: var(--text);
}
.counter__buttons {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 10px;
}
.counter__btn {
    appearance: none;
    -webkit-appearance: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    min-height: 64px;
    font-size: 2rem;
    font-weight: 600;
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
    transition: transform 0.05s ease-in, background-color 0.1s;
}
.counter__btn:active { transform: scale(0.97); }
.counter__btn--plus {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    font-size: 2.2rem;
}
.counter__btn--plus:active { background: var(--accent-dark); }
.counter__btn--minus {
    background: var(--surface);
}

#finish-btn {
    margin-top: 8px;
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* ---------- Forms ---------- */
.form { display: grid; gap: 14px; }
.form__field { display: grid; gap: 6px; }
.form__label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-muted);
}
.form input[type="text"],
.form input[type="date"] {
    appearance: none;
    -webkit-appearance: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    padding: 12px 14px;
    min-height: var(--tap);
    font-size: 1rem;
    width: 100%;
}
.form input:focus {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
    border-color: var(--accent);
}
.form__actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 4px;
}
.form__actions .btn { flex: 1; }

/* ---------- Modal / bottom sheet ---------- */
.modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}
.modal[hidden] { display: none; }
.modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.42);
}
.modal__panel {
    position: relative;
    background: var(--surface);
    border-radius: var(--radius);
    padding: 20px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.18);
}
.modal__panel--sheet {
    max-width: 500px;
}
.modal__title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 6px;
}
.modal__text {
    margin: 4px 0 18px;
    color: var(--text-muted);
}

/* Mobile bottom-sheet style for narrow screens */
@media (max-width: 540px) {
    .modal {
        align-items: flex-end;
        padding: 0;
    }
    .modal__panel {
        max-width: 100%;
        border-radius: var(--radius) var(--radius) 0 0;
        padding: 20px 18px calc(20px + env(safe-area-inset-bottom));
        animation: slideUp 0.16s ease-out;
    }
    @keyframes slideUp {
        from { transform: translateY(20px); opacity: 0.6; }
        to   { transform: translateY(0);   opacity: 1; }
    }
}

/* ---------- Offline banner ---------- */
.offline-banner {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--warning-bg);
    color: var(--warning-text);
    padding: 8px 14px calc(8px + env(safe-area-inset-top));
    padding-top: calc(8px + env(safe-area-inset-top));
    font-size: 0.9rem;
    font-weight: 600;
    border-bottom: 1px solid #e6d18c;
}
.offline-banner__icon { font-size: 1rem; }
.offline-banner[hidden] { display: none; }

/* When offline banner is visible, the sticky topbar still works because
   the banner is also sticky and stacks above it visually. */

/* ---------- Counter flash on update ---------- */
.counter__value.is-flash-up {
    animation: flashUp 0.25s ease-out;
}
.counter__value.is-flash-down {
    animation: flashDown 0.25s ease-out;
}
@keyframes flashUp {
    0%   { color: var(--accent); transform: scale(1.04); }
    100% { color: var(--text);   transform: scale(1); }
}
@keyframes flashDown {
    0%   { color: var(--danger); transform: scale(0.98); }
    100% { color: var(--text);   transform: scale(1); }
}

/* ---------- Reduce motion ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        transition-duration: 0.001ms !important;
    }
}