/* Copyright (c) 2024-2026 Jericho Crosby (Chalwk). All Rights Reserved. */

/* =============================================================================
   Design tokens
   ========================================================================== */
:root {
    --bg: #f4f6fb;
    --bg-elevated: #ffffff;
    --panel: #ffffff;
    --panel-2: #f8fafc;
    --text: #111827;
    --muted: #6b7280;
    --border: #e5e7eb;
    --border-soft: #eef2f7;

    --accent: #4f46e5;
    --accent-strong: #4338ca;
    --accent-soft: #eef2ff;
    --accent-soft-2: #e0e7ff;

    --danger: #dc2626;
    --danger-soft: #fee2e2;
    --success: #059669;
    --success-soft: #d1fae5;

    --radius: 14px;
    --radius-sm: 10px;
    --radius-xs: 8px;

    --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.04);
    --shadow: 0 4px 12px -2px rgba(15, 23, 42, 0.08), 0 2px 4px -1px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 20px 35px -10px rgba(15, 23, 42, 0.15), 0 8px 16px -8px rgba(15, 23, 42, 0.08);

    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
        Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";

    font-family: var(--font);
    font-size: 16px;
    line-height: 1.5;
    color-scheme: light;
}

[data-theme="dark"] {
    --bg: #0b1220;
    --bg-elevated: #111a2e;
    --panel: #1e293b;
    --panel-2: #172033;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --border: #334155;
    --border-soft: #243042;

    --accent: #a5b4fc;
    --accent-strong: #c7d2fe;
    --accent-soft: #1e1b4b;
    --accent-soft-2: #312e81;

    --danger: #f87171;
    --danger-soft: #450a0a;
    --success: #34d399;
    --success-soft: #052e23;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
    --shadow: 0 6px 16px -4px rgba(0, 0, 0, 0.5), 0 2px 6px -2px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 22px 40px -12px rgba(0, 0, 0, 0.7), 0 10px 20px -10px rgba(0, 0, 0, 0.5);

    color-scheme: dark;
}

/* =============================================================================
   Base
   ========================================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    background: var(--bg);
    color: var(--text);
}

body {
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background 0.25s ease, color 0.25s ease;
}

h1,
h2,
h3,
h4 {
    color: var(--text);
    line-height: 1.25;
    margin: 0 0 8px;
}

p {
    margin: 0 0 12px;
}

a {
    color: var(--accent);
}

main {
    margin-top: 80px;
    min-height: calc(100vh - 160px);
}

.container {
    max-width: 820px;
    margin: 0 auto;
    padding: 20px 16px 60px;
}

/* Accessibility helpers */
.sr-only {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip {
    position: absolute;
    left: -999px;
    top: auto;
    width: 1px;
    height: 1px;
}

.skip:focus {
    left: 16px;
    top: 16px;
    width: auto;
    height: auto;
    padding: 10px 14px;
    background: var(--panel);
    color: var(--text);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    text-decoration: none;
    font-weight: 600;
}

kbd {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 4px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.8em;
    color: var(--text);
}

/* =============================================================================
   App shell & header
   ========================================================================== */
.app-shell {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.app-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    padding: 8px 4px 0;
}

.app-header-text {
    flex: 1 1 260px;
    min-width: 0;
}

.app-title {
    font-size: clamp(1.5rem, 2.6vw + 1rem, 2rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0 0 6px;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

[data-theme="dark"] .app-title {
    background: linear-gradient(135deg, #c7d2fe, #a5b4fc);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.app-subtitle {
    margin: 0;
    color: var(--muted);
    font-size: 0.98rem;
    max-width: 60ch;
}

.streak-badge {
    display: inline-flex;
    align-items: center;
    margin-top: 10px;
    padding: 5px 12px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-size: 0.82rem;
    font-weight: 700;
}

[data-theme="dark"] .streak-badge {
    color: var(--accent);
}

.app-tools {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.icon-btn {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--panel);
    color: var(--text);
    font-size: 1.05rem;
    cursor: pointer;
    transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
    box-shadow: var(--shadow-sm);
}

.icon-btn:hover {
    background: var(--accent-soft);
    border-color: var(--accent);
    transform: translateY(-1px);
}

.icon-btn:active {
    transform: translateY(0);
}

/* =============================================================================
   Panels
   ========================================================================== */
.panel {
    background: var(--panel);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: var(--shadow);
    transition: box-shadow 0.2s ease, border-color 0.2s ease, background 0.25s ease;
}

.panel:hover {
    box-shadow: var(--shadow-lg);
}

.panel-head {
    margin-bottom: 18px;
}

.panel-head h2 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 4px 0 6px;
}

.panel-head .muted {
    color: var(--muted);
    font-size: 0.94rem;
    margin: 0;
}

.step-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.row-between {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    flex-wrap: wrap;
}

/* =============================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.12s ease, background 0.15s ease, color 0.15s ease,
        border-color 0.15s ease, box-shadow 0.15s ease;
    line-height: 1.1;
}

.btn:active {
    transform: translateY(1px);
}

.btn.primary {
    background: var(--accent);
    color: #ffffff;
    box-shadow: 0 6px 14px -8px rgba(79, 70, 229, 0.7);
}

.btn.primary:hover {
    background: var(--accent-strong);
}

[data-theme="dark"] .btn.primary {
    color: #0b1220;
}

.btn.secondary {
    background: var(--panel);
    color: var(--text);
    border-color: var(--border);
}

.btn.secondary:hover {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--text);
}

.btn.ghost {
    background: transparent;
    color: var(--accent);
    border-color: transparent;
    padding: 10px 14px;
}

.btn.ghost:hover {
    background: var(--accent-soft);
}

.btn.danger {
    background: var(--danger);
    color: #ffffff;
}

.btn.danger:hover {
    filter: brightness(0.95);
}

.btn.small {
    padding: 8px 12px;
    font-size: 0.85rem;
}

/* =============================================================================
   Controls row + search + chips
   ========================================================================== */
.controls-row {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.search-wrap {
    flex: 1 1 220px;
    min-width: 0;
    position: relative;
    display: block;
}

#search {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--panel);
    color: var(--text);
    outline: none;
    font-size: 0.98rem;
    font-family: inherit;
    transition: box-shadow 0.2s ease, border-color 0.2s ease, background 0.25s ease;
}

#search::placeholder {
    color: var(--muted);
}

#search:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

.chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
    padding-bottom: 4px;
}

.chip {
    padding: 7px 13px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--panel);
    color: var(--muted);
    font-size: 0.86rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.chip:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.chip.is-active {
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
}

[data-theme="dark"] .chip.is-active {
    color: #0b1220;
}

/* =============================================================================
   Symptom list & cards
   ========================================================================== */
.symptom-list {
    display: grid;
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: 10px;
    max-height: 480px;
    overflow-y: auto;
    padding: 4px;
    margin: 0 0 16px;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.symptom-list::-webkit-scrollbar {
    width: 8px;
}

.symptom-list::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

@media (min-width: 720px) {
    .symptom-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.symptom {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    column-gap: 12px;
    row-gap: 10px;
    align-items: center;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--border-soft);
    background: var(--panel);
    transition: all 0.18s ease;
    cursor: pointer;
    user-select: none;
}

.symptom:hover {
    border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.symptom.selected {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 6%, var(--panel));
}

.sym-check {
    width: 22px;
    height: 22px;
    margin: 0;
    accent-color: var(--accent);
    cursor: pointer;
    flex-shrink: 0;
}

.sym-body {
    cursor: pointer;
    min-width: 0;
    display: block;
    line-height: 1.35;
}

.sym-label {
    display: block;
    font-size: 0.97rem;
    font-weight: 500;
    color: var(--text);
    overflow-wrap: break-word;
}

.sym-help {
    display: block;
    color: var(--muted);
    font-size: 0.82rem;
    margin-top: 3px;
}

/* Segmented intensity control */
.intensity-seg {
    grid-column: 1 / -1;
    display: inline-flex;
    align-self: flex-start;
    padding: 3px;
    background: var(--panel-2);
    border: 1px solid var(--border-soft);
    border-radius: 999px;
    gap: 2px;
    opacity: 0.7;
    transition: opacity 0.18s ease;
}

.symptom.selected .intensity-seg {
    opacity: 1;
}

.intensity-seg button {
    border: none;
    background: transparent;
    color: var(--muted);
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

.intensity-seg button:hover {
    color: var(--text);
}

.intensity-seg button.is-active {
    background: var(--accent);
    color: #ffffff;
}

[data-theme="dark"] .intensity-seg button.is-active {
    color: #0b1220;
}

/* =============================================================================
   Selection summary strip
   ========================================================================== */
.selection-summary {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    min-height: 36px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    background: var(--panel-2);
    border: 1px dashed var(--border);
    margin-bottom: 14px;
    font-size: 0.88rem;
}

.selection-summary.has-selection {
    border-style: solid;
    border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
    background: color-mix(in srgb, var(--accent) 5%, var(--panel-2));
}

.sel-hint {
    color: var(--muted);
}

.sel-label {
    font-weight: 700;
    color: var(--text);
    margin-right: 4px;
}

.sel-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px 4px 12px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s ease;
    max-width: 100%;
}

.sel-chip:hover {
    background: var(--accent-soft-2);
}

.sel-weight {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: color-mix(in srgb, var(--accent) 30%, transparent);
    font-size: 0.7rem;
}

.sel-x {
    font-size: 1rem;
    line-height: 1;
    opacity: 0.7;
}

.sel-chip:hover .sel-x {
    opacity: 1;
}

/* =============================================================================
   Quick note
   ========================================================================== */
.note-details {
    margin: 4px 0 14px;
}

.note-details summary {
    cursor: pointer;
    padding: 8px 12px;
    background: var(--panel-2);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.86rem;
    color: var(--muted);
    list-style: none;
    display: inline-block;
    transition: background 0.15s ease, color 0.15s ease;
}

.note-details summary::-webkit-details-marker {
    display: none;
}

.note-details summary:hover {
    color: var(--text);
    background: var(--accent-soft);
}

.note-input {
    display: block;
    width: 100%;
    margin-top: 8px;
    padding: 10px 12px;
    border-radius: var(--radius-xs);
    border: 1px solid var(--border);
    background: var(--panel-2);
    color: var(--text);
    font-family: inherit;
    font-size: 0.92rem;
    resize: vertical;
    min-height: 44px;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.note-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

/* =============================================================================
   Action rows
   ========================================================================== */
.actions-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.actions-row .btn {
    flex: 1 1 auto;
    min-width: 130px;
}

@media (min-width: 500px) {
    .actions-row .btn {
        flex: 0 0 auto;
    }
}

.export-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* =============================================================================
   Immediate support (crisis tier)
   ========================================================================== */
.crisis-support {
    margin-bottom: 18px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.crisis-heading {
    margin: 0;
    font-size: 1.05rem;
}

.crisis-lead {
    margin: -6px 0 0;
    font-size: 0.9rem;
}

.crisis-card {
    border: 1px solid color-mix(in srgb, var(--danger) 35%, var(--border-soft));
    background: color-mix(in srgb, var(--danger) 6%, var(--panel));
    border-radius: var(--radius-sm);
    padding: 18px 20px;
}

.crisis-card .suggestion-head h3 {
    color: color-mix(in srgb, var(--danger) 70%, var(--text));
}

.crisis-card .strategy:hover {
    background: color-mix(in srgb, var(--danger) 8%, var(--panel-2));
}

/* =============================================================================
   Result summary
   ========================================================================== */
.result-summary {
    padding: 14px 16px;
    background: var(--accent-soft);
    color: var(--text);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--accent);
    margin-bottom: 18px;
    font-size: 0.94rem;
    transition: background 0.25s ease;
}

[data-theme="dark"] .result-summary {
    background: color-mix(in srgb, var(--accent) 12%, var(--panel));
}

.result-summary strong {
    color: var(--text);
}

/* =============================================================================
   Suggestion cards
   ========================================================================== */
.suggestions {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 20px;
}

.suggestion {
    border-radius: var(--radius-sm);
    padding: 18px 20px;
    border: 1px solid var(--border-soft);
    background: var(--panel);
    transition: all 0.2s ease;
}

.suggestion:hover {
    border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
    box-shadow: var(--shadow);
}

.suggestion-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.suggestion-head h3 {
    margin: 0;
    font-size: 1.05rem;
    flex: 1;
}

.percent-badge {
    padding: 5px 11px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.percent-bar-track {
    height: 5px;
    border-radius: 999px;
    background: var(--panel-2);
    overflow: hidden;
    margin: -2px 0 12px;
}

.percent-bar-fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent), var(--accent-strong));
}

.suggestions-more-wrap {
    margin: -8px 0 20px;
}

.suggestion-explain {
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.strategies {
    list-style: none;
    padding: 0;
    margin: 0 0 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.strategy {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--radius-xs);
    transition: background 0.15s ease;
}

.strategy:hover {
    background: var(--panel-2);
}

.strategy .copy {
    flex-shrink: 0;
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--panel);
    color: var(--muted);
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    min-width: 58px;
}

.strategy .star {
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--panel);
    color: var(--muted);
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    transition: all 0.15s ease;
    padding: 0;
}

.strategy .star:hover {
    border-color: #f59e0b;
    color: #f59e0b;
    background: color-mix(in srgb, #f59e0b 12%, var(--panel));
}

.strategy .star.is-starred {
    border-color: #f59e0b;
    color: #f59e0b;
    background: color-mix(in srgb, #f59e0b 16%, var(--panel));
}

.strategies-toggle {
    margin-top: 2px;
}

.strategy .copy:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-soft);
}

.strategy .copy.is-copied {
    color: var(--success);
    border-color: var(--success);
    background: var(--success-soft);
}

.strategy-text {
    font-size: 0.92rem;
    line-height: 1.45;
    padding-top: 4px;
}

.taglist {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.tag {
    font-size: 0.78rem;
    padding: 4px 9px;
    background: var(--panel-2);
    border: 1px solid var(--border-soft);
    border-radius: 999px;
    color: var(--muted);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.tag:hover {
    background: var(--accent-soft);
    color: var(--accent);
    border-color: color-mix(in srgb, var(--accent) 40%, transparent);
}

.tag.is-copied {
    background: var(--success-soft);
    color: var(--success);
    border-color: color-mix(in srgb, var(--success) 40%, transparent);
}

/* =============================================================================
   Pattern insights
   ========================================================================== */
.pattern-insights {
    margin-top: 18px;
    padding: 16px 18px;
    background: var(--panel-2);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-soft);
}

.pattern-insights h3 {
    font-size: 1rem;
    margin: 0 0 10px;
}

.pattern-insights h4 {
    font-size: 0.88rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
    margin: 0 0 10px;
}

.pattern-subheading {
    margin-top: 18px;
}

.pattern-item-time {
    border-left-color: #f59e0b;
}

.pattern-item {
    padding: 12px 14px;
    background: var(--panel);
    border-radius: var(--radius-xs);
    border-left: 3px solid var(--accent);
    margin-bottom: 10px;
    transition: all 0.18s ease;
}

.pattern-item:last-child {
    margin-bottom: 0;
}

.pattern-item strong {
    display: block;
    font-size: 0.94rem;
    margin-bottom: 2px;
}

.pattern-item .muted {
    font-size: 0.84rem;
}

/* =============================================================================
   Toolkit
   ========================================================================== */
.toolkit-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toolkit-item {
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    background: var(--panel-2);
    border-radius: var(--radius-xs);
    border-left: 3px solid #f59e0b;
}

.toolkit-text {
    font-size: 0.92rem;
    line-height: 1.4;
}

.toolkit-source {
    font-size: 0.78rem;
    white-space: nowrap;
}

@media (max-width: 520px) {
    .toolkit-item {
        grid-template-columns: 1fr;
        justify-items: start;
        gap: 6px;
    }
}

/* =============================================================================
   Notes details
   ========================================================================== */
.notes {
    margin-top: 18px;
}

.notes summary {
    cursor: pointer;
    padding: 10px 14px;
    background: var(--panel-2);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--muted);
    list-style: none;
    transition: background 0.15s ease, color 0.15s ease;
}

.notes summary::-webkit-details-marker {
    display: none;
}

.notes summary::before {
    content: "▸ ";
    display: inline-block;
    transition: transform 0.2s ease;
    margin-right: 4px;
}

.notes[open] summary::before {
    transform: rotate(90deg);
}

.notes summary:hover {
    color: var(--text);
    background: var(--accent-soft);
}

.notes>p {
    padding: 14px 16px;
    margin: 6px 0 0;
    background: var(--panel-2);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--muted);
    line-height: 1.55;
}

/* =============================================================================
   History
   ========================================================================== */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 14px 0;
    max-height: 480px;
    overflow-y: auto;
    padding: 4px;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.history-list::-webkit-scrollbar {
    width: 8px;
}

.history-list::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

.hist-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    justify-content: space-between;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-soft);
    background: var(--panel);
    transition: all 0.18s ease;
}

.hist-item:hover {
    border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.hist-left {
    flex: 1;
    min-width: 0;
}

.hist-date {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text);
}

.hist-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 8px;
}

.hist-note {
    margin-top: 8px;
    font-size: 0.86rem;
    color: var(--muted);
    line-height: 1.4;
    font-style: italic;
    overflow-wrap: break-word;
}

.hist-tags .tag {
    cursor: default;
}

.hist-tags .tag:hover {
    background: var(--panel-2);
    color: var(--muted);
    border-color: var(--border-soft);
}

.hist-metadata {
    text-align: right;
    min-width: 140px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
}

.hist-summary {
    font-size: 0.82rem;
    color: var(--muted);
    line-height: 1.35;
    overflow-wrap: break-word;
    max-width: 240px;
}

.history-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin: 8px 0 20px;
}

.history-more {
    display: flex;
    gap: 8px;
}

/* =============================================================================
   Charts
   ========================================================================== */
.charts {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 6px;
}

@media (min-width: 720px) {
    .charts {
        grid-template-columns: 1fr 1fr;
    }
}

.chart-wrap {
    background: var(--panel-2);
    border-radius: var(--radius-sm);
    padding: 14px 16px 12px;
    border: 1px solid var(--border-soft);
}

.chart-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 10px;
}

canvas {
    display: block;
    width: 100%;
    height: 220px;
    border-radius: 6px;
}

/* =============================================================================
   Empty states & loading
   ========================================================================== */
.empty-state {
    padding: 14px 4px;
    font-size: 0.9rem;
    text-align: center;
    grid-column: 1 / -1;
    color: var(--muted);
}

.loading {
    opacity: 0.7;
    padding: 12px 4px;
    font-size: 0.9rem;
    color: var(--muted);
}

/* =============================================================================
   Dialogs
   ========================================================================== */
dialog {
    border: none;
    border-radius: var(--radius);
    padding: 0;
    background: var(--panel);
    color: var(--text);
    box-shadow: var(--shadow-lg);
    max-width: min(92vw, 480px);
    width: 100%;
    z-index: 2000;
}

dialog::backdrop {
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(2px);
}

.dialog-form {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.dialog-form h3 {
    margin: 0;
    font-size: 1.15rem;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text);
}

.field input {
    padding: 10px 12px;
    border-radius: var(--radius-xs);
    border: 1px solid var(--border);
    background: var(--panel-2);
    color: var(--text);
    font-family: inherit;
    font-size: 0.98rem;
    font-weight: 400;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.94rem;
    cursor: pointer;
    color: var(--text);
}

.checkbox input {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
    flex-shrink: 0;
}

.dialog-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    padding: 0;
    margin: 4px 0 0;
    list-style: none;
}

.help-list {
    margin: 0;
    padding-left: 22px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 0.94rem;
    line-height: 1.5;
}

.help-list li::marker {
    color: var(--accent);
    font-weight: 700;
}

/* =============================================================================
   Toasts
   ========================================================================== */
.toast-region {
    position: fixed;
    left: 50%;
    bottom: 22px;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
    z-index: 3000;
    pointer-events: none;
    padding: 0 16px;
    max-width: 100%;
}

.toast {
    pointer-events: auto;
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    background: var(--text);
    color: var(--bg);
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    max-width: min(90vw, 420px);
    text-align: center;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.toast-success {
    background: var(--success);
    color: #ffffff;
}

.toast-error {
    background: var(--danger);
    color: #ffffff;
}

.toast-out {
    opacity: 0;
    transform: translateY(6px);
}

/* =============================================================================
   Motion
   ========================================================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(6px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

.fade-in {
    animation: fadeIn 0.28s ease both;
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }

    .symptom:hover,
    .suggestion:hover,
    .hist-item:hover,
    .icon-btn:hover {
        transform: none;
    }
}

[data-motion="reduced"] *,
[data-motion="reduced"] *::before,
[data-motion="reduced"] *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
}

[data-motion="reduced"] .symptom:hover,
[data-motion="reduced"] .suggestion:hover,
[data-motion="reduced"] .hist-item:hover,
[data-motion="reduced"] .icon-btn:hover {
    transform: none;
}

[data-motion="reduced"] .panel,
[data-motion="reduced"] .suggestion,
[data-motion="reduced"] .hist-item {
    box-shadow: none;
}

[data-motion="reduced"] .panel:hover {
    box-shadow: none;
}

/* =============================================================================
   Focus states (accessible)
   ========================================================================== */
button:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* =============================================================================
   Small screens
   ========================================================================== */
@media (max-width: 520px) {
    main {
        margin-top: 68px;
    }

    .container {
        padding: 12px 12px 40px;
    }

    .panel {
        padding: 18px 16px;
    }

    .app-title {
        font-size: 1.55rem;
    }

    .app-subtitle {
        font-size: 0.9rem;
    }

    .icon-btn {
        width: 40px;
        height: 40px;
    }

    .actions-row .btn,
    .export-actions .btn {
        width: 100%;
    }

    .export-actions {
        width: 100%;
    }

    .hist-item {
        flex-direction: column;
        align-items: stretch;
    }

    .hist-metadata {
        align-items: flex-start;
        text-align: left;
        min-width: 0;
        flex-direction: row;
        justify-content: space-between;
        width: 100%;
    }

    .hist-summary {
        max-width: none;
    }

    .row-between {
        align-items: stretch;
    }

    .row-between>div:first-child {
        width: 100%;
    }
}

/* =============================================================================
   Touch-friendly targets
   ========================================================================== */
@media (hover: none) {
    .symptom {
        padding: 16px;
    }

    .btn {
        min-height: 46px;
    }

    .chip {
        min-height: 36px;
    }
}