/* ── Reset + Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --color-bg:         #ffffff;
    --color-surface:    #f8f9fa;
    --color-border:     #e0e0e0;
    --color-text:       #1a1a1a;
    --color-text-muted: #666666;
    --color-positive:   #008a3c;
    --color-negative:   #d32f2f;
    --color-neutral:    #888888;
    --color-mom-yellow: #f5c518;
    --color-adr-red:    #ff6652;
    --color-adr-yellow: #c8a000;
    --color-adr-white:  #5a7a94;
    --color-adr-faint:  #888888;
    --color-card-bg:    rgba(0,0,0,0.03);
    --sidebar-width:    220px;
}
body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 14px;
    line-height: 1.5;
}

a { color: var(--color-text-muted); text-decoration: none; }
a:hover { color: var(--color-text); }

/* ── Sidebar ──────────────────────────────────────────────────────────────── */
.sidebar {
    position: fixed;
    top: 0; left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: #f8f9fa;
    border-right: 1px solid #e0e0e0;
    display: flex;
    flex-direction: column;
    padding: 20px 0;
    z-index: 100;
}

.sidebar-logo {
    font-size: 18px;
    font-weight: 700;
    padding: 0 20px 20px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 10px;
}

.nav-links {
    list-style: none;
    flex: 1;
}

.nav-links li a {
    display: block;
    padding: 10px 20px;
    color: var(--color-text-muted);
    font-size: 14px;
    transition: background 0.15s;
}

.nav-links li a:hover,
.nav-links li a.active {
    background: var(--color-card-bg);
    color: var(--color-text);
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 13px;
}

/* ── Main content ─────────────────────────────────────────────────────────── */
.main-with-sidebar {
    margin-left: var(--sidebar-width);
    padding: 30px;
    min-height: 100vh;
}

.main-full {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

/* ── Cards + Metrics ──────────────────────────────────────────────────────── */
.card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 16px;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.metric-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 14px 16px;
}

.metric-label {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.metric-value {
    font-size: 22px;
    font-weight: 600;
}

/* ── Tables ───────────────────────────────────────────────────────────────── */
.market-table, .etf-base-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.market-table th,
.market-table td,
.etf-base-table th,
.etf-base-table td {
    padding: 8px 12px;
    text-align: right;
    border-bottom: 1px solid var(--color-border);
}

.market-table td:nth-child(1),
.etf-base-table td:nth-child(1) { text-align: left; }

.market-table td:nth-child(2),
.etf-base-table td:nth-child(2) { text-align: left; }

/* ── Color helpers ────────────────────────────────────────────────────────── */
.pos   { color: var(--color-positive); }
.neg   { color: var(--color-negative); }
.muted { color: var(--color-text-muted); }

/* ── Forms ────────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }

.form-group label {
    display: block;
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-text);
    padding: 8px 12px;
    font-size: 14px;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #555;
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
    padding: 8px 16px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
}

.btn-primary {
    background: #ff4b4b;
    color: white;
}

.btn-primary:hover { background: #e03b3b; }

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover { background: var(--color-card-bg); }

/* ── Alerts ───────────────────────────────────────────────────────────────── */
.alert {
    padding: 10px 14px;
    border-radius: 4px;
    margin-bottom: 16px;
    font-size: 13px;
}

.alert-error   { background: rgba(255,82,82,0.15);  border: 1px solid #ff5252; color: #ff5252; }
.alert-success { background: rgba(0,200,83,0.15);   border: 1px solid #00c853; color: #00c853; }
.alert-info    { background: rgba(100,100,255,0.1); border: 1px solid #555;    color: #aaa; }

/* ── Tabs ─────────────────────────────────────────────────────────────────── */
.tab-list {
    display: flex;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 20px;
    gap: 4px;
}

.tab-btn {
    padding: 8px 16px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 14px;
}

.tab-btn.active,
.tab-btn:hover {
    color: var(--color-text);
    border-bottom-color: #ff4b4b;
}

/* ── Mobile nav toggle ────────────────────────────────────────────────────── */
.mobile-nav-toggle {
    display: none;
    position: fixed;
    top: 12px; left: 12px;
    z-index: 200;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 18px;
    cursor: pointer;
    line-height: 1;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 149;
}

/* ── Mobile ───────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    /* Nav */
    .mobile-nav-toggle { display: block; }
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        z-index: 150;
    }
    .sidebar.open { transform: translateX(0); }
    .sidebar-overlay.open { display: block; }

    /* Layout */
    .main-with-sidebar { margin-left: 0; padding: 16px; padding-top: 52px; }

    /* Metrics */
    .metric-grid { grid-template-columns: repeat(2, 1fr); }
    .metric-value { font-size: 17px; }

    /* Tables — force horizontal scroll */
    .table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .market-table { min-width: 800px; font-size: 12px; }
    .market-table th, .market-table td { padding: 6px 8px; }

    /* Forms */
    .form-group input,
    .form-group select,
    .form-group textarea { font-size: 16px; } /* prevent iOS zoom */

    /* Action forms — stack vertically on mobile */
    .action-form-row {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 8px !important;
    }
    .action-form-row .form-group { min-width: unset !important; width: 100% !important; }
    .action-form-row input { width: 100% !important; min-width: unset !important; }
    /* Correction form inputs — override inline width:85px/100px */
    .correction-form input,
    .correction-form select { width: 100% !important; font-size: 16px !important; }
    .correction-form { flex-direction: column !important; align-items: stretch !important; }


    /* Dashboard charts */
    .charts-row { flex-direction: column; }

    /* Cards */
    .card { padding: 12px; }

    /* Session detail panel full-width on mobile */
    #session-detail-overlay > div {
        width: 100vw !important;
        border-left: none !important;
    }

    /* Tab list — scrollable */
    .tab-list { overflow-x: auto; flex-wrap: nowrap; }

    /* Auth card */
    .auth-card { padding: 24px 16px; }

    /* Buttons */
    .btn { padding: 10px 14px; }

    /* Add trade form grid */
    .add-trade-grid { grid-template-columns: 1fr 1fr !important; }

    /* Stats period pills — wrap on mobile (issue #12) */
    .period-pills { flex-wrap: wrap !important; }

    /* Market Manage Symbols add form — wrap (issue #14) */
    .manage-symbols-form { flex-wrap: wrap !important; }

    /* ETF detail panel full-width on mobile */
    #etf-detail-overlay > div {
        width: 100vw !important;
        border-left: none !important;
    }

    /* Session detail metrics grid — 2 cols on mobile (issue #11) */
    .session-metrics-grid { grid-template-columns: repeat(2,1fr) !important; }

    /* AI analysis word wrap (issue #16) */
    #ai-analysis-body { word-break: break-word; overflow-wrap: anywhere; }
}
/* ── Responsive utilities ─────────────────────────────────────────────────── */

/* ── Auth page ────────────────────────────────────────────────────────────── */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: var(--color-bg);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 40px;
}

.auth-title {
    text-align: center;
    font-size: 22px;
    margin-bottom: 8px;
}

.auth-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 13px;
    margin-bottom: 24px;
}

.btn-full { width: 100%; margin-top: 8px; }

.auth-switcher {
    display: flex;
    gap: 8px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.auth-switcher .btn { flex: 1; text-align: center; font-size: 13px; }
.auth-switcher .btn.active { border-color: #ff4b4b; color: var(--color-text); }

/* ── Page layout ──────────────────────────────────────────────────────────── */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.page-header h1 { font-size: 24px; }

.header-controls select {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 14px;
}

.section {
    margin-bottom: 32px;
}

.charts-row {
    display: flex;
    gap: 20px;
}

.charts-row .section { flex: 1; min-width: 0; }

.section h2 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--color-text-muted);
}

/* ── Daily Brief ──────────────────────────────────────────────────────────── */
.daily-brief {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 16px;
    line-height: 1.8;
    white-space: pre-wrap;
    font-size: 15px;
}

/* ── Controls row ─────────────────────────────────────────────────────────── */
.controls-row {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.controls-row select {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 14px;
}

.hidden { display: none !important; }


.action-row td {
    background: var(--color-card-bg);
    border-bottom: 1px solid var(--color-border);
}

/* ── Mobile narrow (≤640px) — budget + chart stacking ───────────────────── */
@media (max-width: 640px) {
    /* Budget category manager — stack Income/Expense (issue #5) */
    .budget-category-grid { grid-template-columns: 1fr !important; }

    /* Budget add entry form — 2 cols then 1 col (issue #4) */
    .budget-entry-grid { grid-template-columns: 1fr 1fr !important; }

    /* Budget daily — stack donut + bar chart vertically (issue #3) */
    .budget-charts-side-by-side {
        flex-direction: column !important;
    }
    .budget-donut-container {
        flex: 0 0 auto !important;
        width: 100% !important;
        max-width: 100% !important;
    }

    /* Budget monthly variance — stack Income/Expense tables (issue #6) */
    .variance-grid { grid-template-columns: 1fr !important; }

    /* Capital 2-col grids — stack (issue #13) */
    .capital-grid-2col { grid-template-columns: 1fr !important; }

    /* Add trade form — single column on very narrow screens */
    .add-trade-grid { grid-template-columns: 1fr !important; }

    /* Metric grid — single col on very narrow */
    .metric-grid { grid-template-columns: 1fr 1fr; }
}

/* ── iOS input zoom prevention (global, not just forms) ─────────────────── */
@media (max-width: 768px) {
    input[type="number"],
    input[type="text"],
    input[type="date"],
    input[type="email"],
    input[type="password"],
    select,
    textarea {
        font-size: 16px !important; /* issue #15 — prevent iOS auto-zoom */
    }
}
/* ── Mobile improvements ────────────────────────────────────────────────────── */

/* Native-feel tap behavior */
* { -webkit-tap-highlight-color: transparent; }
.btn:active { transform: scale(0.97); transition: transform 0.05s; }

@media (max-width: 768px) {
    /* Tap target sizes — meets iOS HIG 44pt minimum */
    .market-table td .btn-secondary,
    .market-table td button[onclick*="toggleAction"] {
        padding: 10px 12px !important;
        font-size: 14px !important;
        min-height: 44px;
        min-width: 44px;
    }
    .market-table td > div[style*="display:flex;gap:4px"] { gap: 8px !important; }

    /* Period pills */
    .period-pills a {
        padding: 8px 14px !important;
        min-height: 40px;
        display: inline-flex;
        align-items: center;
    }

    /* Modal close buttons */
    button[onclick*="closeSessionDetail"],
    button[onclick*="closeEtfDetail"] {
        padding: 10px 16px !important;
        font-size: 22px !important;
        min-width: 44px;
        min-height: 44px;
    }

    /* Table scroll affordance */
    .table-scroll { position: relative; }
    .table-scroll::after {
        content: "";
        position: absolute;
        right: 0; top: 0; bottom: 0;
        width: 24px;
        background: linear-gradient(to right, transparent, var(--color-bg));
        pointer-events: none;
    }

    /* Sticky first column on wide tables — exclude action/form rows */
    .market-table tr:not(.action-row) th:first-child,
    .market-table tr:not(.action-row) td:first-child {
        position: sticky;
        left: 0;
        background: var(--color-bg);
        z-index: 1;
    }

    /* Plotly chart heights — reasonable on phone */
    #capital-curve-chart, #pnl-bar-chart, #pnl-pct-chart,
    #investment-pct-chart, #trade-activity-chart,
    #weekly-pnl-chart, #monthly-pnl-chart,
    #budget-fig1, #budget-fig2a, #budget-fig2b, #budget-fig4,
    [id^="sym-"][id$="-chart"],
    [id^="sess-"][id$="-chart"] {
        height: 220px !important;
    }

    /* Action forms — constrain width and allow scroll on mobile */
    .market-table .action-row td {
        max-width: 100vw;
        box-sizing: border-box;
    }
    .market-table .action-row .action-form-row,
    .market-table .action-row .correction-form {
        max-width: calc(100vw - 32px);
    }

    /* Better content spacing under hamburger */
    .main-with-sidebar { padding-top: 60px; }
}

/* iPhone notch / safe area */
@supports (padding: env(safe-area-inset-top)) {
    .mobile-nav-toggle {
        top: calc(12px + env(safe-area-inset-top));
        left: calc(12px + env(safe-area-inset-left));
    }
    .main-with-sidebar {
        padding-left: max(16px, env(safe-area-inset-left));
        padding-right: max(16px, env(safe-area-inset-right));
    }
}