/* ── Theme Variables ──────────────────────────────────── */
:root {
    --c-base: #0a0f1a;
    --c-surface: #111827;
    --c-border: #1e293b;
    --c-border-hover: #334155;
    --c-accent: #00e5a0;
    --c-accent-dim: #00b37e;
    --c-text-primary: #f1f5f9;
    --c-text-secondary: #94a3b8;
    --c-text-muted: #64748b;
    --c-input-bg: #0a0f1a;
    --c-hover-overlay: rgba(255,255,255,0.05);
    --c-shadow: rgba(0,0,0,0.3);
    --c-fab-overlay: rgba(0,0,0,0.4);
    --c-modal-overlay: rgba(0,0,0,0.6);
}

[data-theme="light"] {
    --c-base: #f1f5f9;
    --c-surface: #ffffff;
    --c-border: #e2e8f0;
    --c-border-hover: #cbd5e1;
    --c-accent: #059669;
    --c-accent-dim: #047857;
    --c-text-primary: #0f172a;
    --c-text-secondary: #475569;
    --c-text-muted: #94a3b8;
    --c-input-bg: #f8fafc;
    --c-hover-overlay: rgba(0,0,0,0.04);
    --c-shadow: rgba(0,0,0,0.08);
    --c-fab-overlay: rgba(0,0,0,0.2);
    --c-modal-overlay: rgba(0,0,0,0.4);
}

/* ── Base ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
body { -webkit-font-smoothing: antialiased; }

/* iOS 禁止自动放大：input 字体小于 16px 时 iOS 会自动放大 */
@supports (-webkit-touch-callout: none) {
    input, select, textarea {
        font-size: 16px !important;
    }
}

/* PWA 安全区域适配（iOS 刘海/灵动岛 + 底部横条） */
@supports (padding: env(safe-area-inset-top)) {
    body {
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }
    #fab-btn { bottom: calc(1.25rem + env(safe-area-inset-bottom)); }
    #fab-menu { bottom: calc(5rem + env(safe-area-inset-bottom)); }
    /* 顶部标题栏避开刘海 */
    main { padding-top: calc(1.5rem + env(safe-area-inset-top)); }
}

/* ── Navigation ──────────────────────────────────────── */
.nav-item {
    width: 48px; height: 48px; border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    color: var(--c-text-muted); transition: all 0.2s;
}
.nav-item:hover { color: var(--c-text-primary); background: var(--c-hover-overlay); }
.nav-item.active { color: var(--c-accent); background: color-mix(in srgb, var(--c-accent) 10%, transparent); }

.mobile-nav-item {
    display: flex; flex-direction: column; align-items: center;
    gap: 2px; padding: 6px 12px; color: var(--c-text-muted);
    font-size: 12px; transition: color 0.2s; text-decoration: none;
}
.mobile-nav-item:hover { color: var(--c-text-primary); }
.mobile-nav-item.active { color: var(--c-accent); }

/* ── FAB 悬浮导航 ────────────────────────────────────── */
.fab-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 16px; border-radius: 14px;
    background: var(--c-surface); border: 1px solid var(--c-border);
    color: var(--c-text-secondary); font-size: 14px; font-weight: 500;
    text-decoration: none; white-space: nowrap;
    box-shadow: 0 4px 16px var(--c-shadow);
    pointer-events: none;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
                opacity 0.25s ease-out,
                background 0.15s ease,
                color 0.15s ease;
}
.fab-item:hover {
    background: var(--c-border); color: var(--c-text-primary);
}
.fab-item.active {
    background: color-mix(in srgb, var(--c-accent) 10%, transparent); color: var(--c-accent);
    border-color: color-mix(in srgb, var(--c-accent) 30%, transparent);
}
.fab-item:active {
    transform: scale(0.95) !important;
}
/* FAB 主按钮 */
#fab-btn {
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}
/* FAB 遮罩层 */
#fab-overlay {
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

/* ── Cards ───────────────────────────────────────────── */
.card {
    background: var(--c-surface); border: 1px solid var(--c-border);
    border-radius: 12px; padding: 20px; transition: all 0.3s;
}
.card:hover { border-color: var(--c-border-hover); }

/* ── Progress Ring ───────────────────────────────────── */
.ring-bg { stroke: var(--c-border); }
.ring-fill { stroke: var(--c-accent); }
.progress-ring-circle {
    transition: stroke-dashoffset 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    transform: rotate(-90deg);
    transform-origin: 50% 50%;
}

/* ── Progress Bar ────────────────────────────────────── */
.progress-bar-fill {
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Record Type Badge ───────────────────────────────── */
.badge-feed {
    background: rgba(59,130,246,0.15); color: #60a5fa;
    border-color: rgba(59,130,246,0.3);
}
[data-theme="light"] .badge-feed {
    background: rgba(59,130,246,0.1); color: #2563eb;
    border-color: rgba(59,130,246,0.25);
}
.badge-excrete {
    background: rgba(245,158,11,0.15); color: #fbbf24;
    border-color: rgba(245,158,11,0.3);
}
[data-theme="light"] .badge-excrete {
    background: rgba(217,119,6,0.1); color: #b45309;
    border-color: rgba(217,119,6,0.25);
}
.badge-symptom {
    background: rgba(239,68,68,0.15); color: #f87171;
    border-color: rgba(239,68,68,0.3);
}
[data-theme="light"] .badge-symptom {
    background: rgba(220,38,38,0.1); color: #dc2626;
    border-color: rgba(220,38,38,0.25);
}
.badge-vaccine {
    background: rgba(234,179,8,0.15); color: #eab308;
    border-color: rgba(234,179,8,0.3);
}
[data-theme="light"] .badge-vaccine {
    background: rgba(202,138,4,0.1); color: #ca8a04;
    border-color: rgba(202,138,4,0.25);
}
.badge-supplement {
    background: rgba(168,85,247,0.15); color: #c084fc;
    border-color: rgba(168,85,247,0.3);
}
[data-theme="light"] .badge-supplement {
    background: rgba(126,34,206,0.1); color: #7c3aed;
    border-color: rgba(126,34,206,0.25);
}

/* ── Timeline ────────────────────────────────────────── */
.timeline-line {
    position: absolute; left: 11px; top: 0; bottom: 0;
    width: 1px; background: var(--c-border);
}
.timeline-dot {
    position: absolute; left: 0; width: 23px; height: 23px;
    border-radius: 50%; border-width: 2px; border-style: solid;
    display: flex; align-items: center; justify-content: center;
}
.timeline-dot-feed { border-color: rgba(59,130,246,0.5); background: rgba(59,130,246,0.1); }
.timeline-dot-excrete { border-color: rgba(245,158,11,0.5); background: rgba(245,158,11,0.1); }
.timeline-dot-symptom { border-color: rgba(239,68,68,0.5); background: rgba(239,68,68,0.1); }

/* ── Input ───────────────────────────────────────────── */
.input-field {
    width: 100%; background: var(--c-input-bg); border: 1px solid var(--c-border);
    border-radius: 8px; padding: 10px 12px; color: var(--c-text-primary);
    font-size: 14px; transition: all 0.2s; outline: none;
}
.input-field::placeholder { color: var(--c-text-muted); }
.input-field:focus { border-color: color-mix(in srgb, var(--c-accent) 50%, transparent); box-shadow: 0 0 0 1px color-mix(in srgb, var(--c-accent) 20%, transparent); }

/* ── Buttons ─────────────────────────────────────────── */
.btn-primary {
    background: var(--c-accent); color: var(--c-base); font-weight: 600;
    padding: 10px 20px; border-radius: 8px; border: none; cursor: pointer;
    transition: all 0.2s; display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary:hover { background: var(--c-accent-dim); }
.btn-primary:active { transform: scale(0.98); }

.btn-secondary {
    border: 1px solid var(--c-border); color: var(--c-text-secondary);
    padding: 10px 20px; border-radius: 8px; background: transparent; cursor: pointer;
    transition: all 0.2s; display: inline-flex; align-items: center; gap: 8px;
}
.btn-secondary:hover { background: var(--c-hover-overlay); color: var(--c-text-primary); }
.btn-secondary:active { transform: scale(0.98); }

.btn-danger {
    border: 1px solid rgba(239,68,68,0.3); color: #f87171;
    padding: 10px 20px; border-radius: 8px; background: transparent; cursor: pointer;
    transition: all 0.2s; display: inline-flex; align-items: center; gap: 8px;
}
[data-theme="light"] .btn-danger { color: #dc2626; border-color: rgba(220,38,38,0.3); }
.btn-danger:hover { background: rgba(239,68,68,0.1); }
.btn-danger:active { transform: scale(0.98); }

/* ── Tab ─────────────────────────────────────────────── */
.tab-btn {
    padding: 8px 16px; font-size: 14px; color: var(--c-text-muted);
    border-radius: 8px; border: none; background: transparent;
    cursor: pointer; transition: all 0.2s;
}
.tab-btn:hover { color: var(--c-text-secondary); }
.tab-btn.active { background: color-mix(in srgb, var(--c-accent) 10%, transparent); color: var(--c-accent); }

/* ── Type Selector ───────────────────────────────────── */
.type-btn {
    display: flex; flex-direction: column; align-items: center;
    gap: 6px; padding: 12px; border-radius: 12px;
    border: 1px solid var(--c-border); color: var(--c-text-muted);
    transition: all 0.2s; cursor: pointer; background: transparent;
}
.type-btn:hover { border-color: var(--c-text-muted); color: var(--c-text-secondary); }
.type-btn.selected { border-color: color-mix(in srgb, var(--c-accent) 50%, transparent); color: var(--c-accent); background: color-mix(in srgb, var(--c-accent) 5%, transparent); }

/* ── Amount Stepper ──────────────────────────────────── */
.stepper-btn {
    width: 48px; height: 48px; border-radius: 8px;
    border: 1px solid var(--c-border); background: transparent;
    display: flex; align-items: center; justify-content: center;
    color: var(--c-text-secondary); cursor: pointer; transition: all 0.15s;
}
.stepper-btn:hover { background: var(--c-hover-overlay); color: var(--c-text-primary); }
.stepper-btn:active { transform: scale(0.95); }

/* ── Toast Animation ─────────────────────────────────── */
#toast.show {
    animation: slideIn 0.3s ease-out, fadeOut 0.3s ease-in 2.2s forwards;
}
@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}
@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

/* ── Fade In ─────────────────────────────────────────── */
.fade-in {
    animation: fadeIn 0.4s ease-out;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Number Counter ──────────────────────────────────── */
.counter-value {
    font-family: 'JetBrains Mono', Consolas, monospace;
    font-weight: 700; font-variant-numeric: tabular-nums;
}

/* ── Calendar ────────────────────────────────────────── */
.cal-wrap {
    max-width: 400px;
    margin: 0 auto;
}
.cal-header {
    display: grid; grid-template-columns: repeat(7, 1fr);
    text-align: center;
}
.cal-header span {
    font-size: 12px; padding: 4px 0; color: var(--c-text-muted);
}
.cal-grid {
    display: grid; grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}
.cal-day {
    aspect-ratio: 1; border-radius: 8px;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    font-size: clamp(11px, 3.5vw, 14px); cursor: pointer; transition: all 0.15s;
    color: var(--c-text-primary); position: relative;
    min-width: 0;
}
.cal-day:hover { background: var(--c-hover-overlay); }
.cal-day.today { color: var(--c-accent); font-weight: 600; }
.cal-day.selected { background: color-mix(in srgb, var(--c-accent) 15%, transparent); color: var(--c-accent); }
.cal-day.other-month { color: color-mix(in srgb, var(--c-text-muted) 40%, transparent); }
.cal-dots {
    display: flex; align-items: center; justify-content: center;
    gap: 2px; height: 4px; margin-top: 1px;
}
.cal-dots span {
    width: 4px; height: 4px; border-radius: 50%; display: block;
}
.cal-dot-feed { background: var(--c-accent); }
.cal-dot-vaccine { background: #eab308; }
.cal-dot-upcoming { background: #ef4444; }
.cal-dot-overdue { background: #333; }
@media (max-width: 360px) {
    .cal-day { border-radius: 6px; }
    .cal-dots span { width: 3px; height: 3px; }
    .cal-dots { gap: 1px; }
}
@media (min-width: 768px) {
    .cal-wrap { max-width: 100%; }
    .cal-grid { gap: 3px; }
    .cal-day {
        aspect-ratio: auto; height: 36px; border-radius: 6px; font-size: 13px;
    }
    .cal-header span { font-size: 11px; }
    .cal-dots span { width: 4px; height: 4px; }
}
@media (min-width: 1024px) {
    .cal-day { height: 34px; font-size: 12px; border-radius: 5px; }
    .cal-header span { font-size: 10px; }
}

/* ── Scrollbar ───────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--c-border); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--c-border-hover); }

/* ── Select dropdown ─────────────────────────────────── */
select.input-field {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 32px;
}
select.input-field option {
    background: var(--c-surface); color: var(--c-text-primary);
}

input[type="date"].input-field,
input[type="time"].input-field {
    appearance: none;
    -webkit-appearance: none;
}
input[type="date"].input-field::-webkit-calendar-picker-indicator,
input[type="time"].input-field::-webkit-calendar-picker-indicator {
    cursor: pointer;
    opacity: 0.5;
    filter: var(--calendar-icon-filter, none);
}
input[type="date"].input-field::-webkit-date-and-time-value,
input[type="time"].input-field::-webkit-date-and-time-value {
    text-align: start;
}

.hour-day-picker {
    font-family: inherit;
    font-size: 10px;
    color: var(--c-accent);
    background: transparent;
    border: none;
    outline: none;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    text-decoration: underline;
    text-underline-offset: 2px;
}
.hour-day-picker::-webkit-calendar-picker-indicator {
    display: none;
}
.hour-day-picker::-webkit-date-and-time-value {
    text-align: start;
}
.hour-day-picker:invalid,
.hour-day-picker[value=""] {
    color: var(--c-text-muted);
}

#edit-modal {
    -webkit-overflow-scrolling: touch;
    overflow-y: auto;
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
.edit-modal-content {
    max-height: 85vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    margin: auto;
}

/* ── Theme Toggle ────────────────────────────────────── */
.theme-toggle {
    width: 36px; height: 36px; border-radius: 8px;
    border: 1px solid var(--c-border); background: transparent;
    display: flex; align-items: center; justify-content: center;
    color: var(--c-text-muted); cursor: pointer; transition: all 0.2s;
}
.theme-toggle:hover { background: var(--c-hover-overlay); color: var(--c-accent); }

/* ── Light Theme Color Overrides ──────────────────────── */
[data-theme="light"] .text-blue-400 { color: #2563eb; }
[data-theme="light"] .text-amber-400 { color: #b45309; }
[data-theme="light"] .text-red-400 { color: #dc2626; }
[data-theme="light"] .text-red-500 { color: #dc2626; }
[data-theme="light"] .bg-blue-500\/10 { background: rgba(37,99,235,0.08); }
[data-theme="light"] .bg-amber-500\/10 { background: rgba(180,83,9,0.08); }
[data-theme="light"] .bg-red-500\/10 { background: rgba(220,38,38,0.08); }
[data-theme="light"] .border-blue-500\/20 { border-color: rgba(37,99,235,0.15); }
[data-theme="light"] .border-amber-500\/20 { border-color: rgba(180,83,9,0.15); }
[data-theme="light"] .border-red-500\/20 { border-color: rgba(220,38,38,0.15); }
[data-theme="light"] .border-amber-500\/30 { border-color: rgba(180,83,9,0.25); }
[data-theme="light"] .border-red-500\/30 { border-color: rgba(220,38,38,0.25); }
[data-theme="light"] .bg-amber-500\/15 { background: rgba(180,83,9,0.1); }
[data-theme="light"] .text-red-400 { color: #dc2626; }
[data-theme="light"] .hover\:bg-red-500\/10:hover { background: rgba(220,38,38,0.08); }
[data-theme="light"] .hover\:bg-accent\/10:hover { background: rgba(5,150,105,0.08); }
[data-theme="light"] .hover\:bg-white\/5:hover { background: rgba(0,0,0,0.04); }
[data-theme="light"] .hover\:bg-white/\[0\.02\]:hover { background: rgba(0,0,0,0.03); }

:root { --calendar-icon-filter: invert(1); }
[data-theme="light"] { --calendar-icon-filter: none; }