/**
 * Global theme tokens — Light (default) and Dark.
 * Toggle: html[data-theme="light"] | html[data-theme="dark"]
 * Persisted via localStorage key "theme" (handled in theme.js).
 */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap");

/* -------------------------------------------------------------------------
   Light theme (default)
   ------------------------------------------------------------------------- */
html[data-theme="light"] {
    color-scheme: light;

    --bg-color: #f1f5f9;
    --bg-gradient-start: #f8fafc;
    --bg-gradient-end: #e2e8f0;

    --surface-color: #ffffff;
    --card-bg: #ffffff;
    --card-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
    --card-shadow-accent: 0 4px 24px rgba(15, 23, 42, 0.1);

    --text-color: #0f172a;
    --muted-text: #64748b;

    --border-color: #e2e8f0;
    --navbar-bg: rgba(255, 255, 255, 0.92);
    --navbar-border: #e2e8f0;

    --kpi-block-bg: #f8fafc;
    --kpi-block-border: #e2e8f0;
    --kpi-inset-highlight: rgba(255, 255, 255, 0.8);

    --table-header: #64748b;
    --table-row-border: #e2e8f0;
    --table-row-hover: rgba(15, 23, 42, 0.04);

    --hover-surface: #f1f5f9;
    --shadow-color: rgba(15, 23, 42, 0.12);

    --accent-blue: #2563eb;
    --accent-orange: #d97706;
    --accent-orange-hover: #b45309;
    --btn-zerodha-fg: #0f172a;

    /* Trading accents — readable in light UI */
    --bull: #15803d;
    --bear: #b91c1c;
    --side: #b45309;

    --pill-muted-border: #cbd5e1;
    --pill-muted-bg: #f1f5f9;
    --pill-ok-border: rgba(22, 163, 74, 0.45);
    --pill-ok-bg: rgba(22, 163, 74, 0.1);
    --pill-ok-text: #166534;
    --pill-bad-border: rgba(185, 28, 28, 0.45);
    --pill-bad-bg: rgba(185, 28, 28, 0.08);
    --pill-bad-text: #991b1b;
    --pill-warn-border: rgba(180, 83, 9, 0.5);
    --pill-warn-bg: rgba(245, 158, 11, 0.12);
    --pill-warn-text: #9a3412;

    --nifty-price-color: #0f172a;
    --gap-text-color: #475569;

    --badge-bull-bg: rgba(22, 163, 74, 0.12);
    --badge-bull-fg: #15803d;
    --badge-bull-border: #22c55e;
    --badge-bear-bg: rgba(220, 38, 38, 0.1);
    --badge-bear-fg: #b91c1c;
    --badge-bear-border: #ef4444;
    --badge-neutral-bg: rgba(245, 158, 11, 0.12);
    --badge-neutral-fg: #b45309;
    --badge-neutral-border: #f59e0b;

    --value-green: #15803d;
    --value-red: #b91c1c;

    --login-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
    --alert-error-bg: rgba(220, 38, 38, 0.1);
    --alert-error-border: rgba(220, 38, 38, 0.35);
    --alert-error-text: #991b1b;

    --btn-primary: #2563eb;
    --btn-primary-hover: #1d4ed8;
    --btn-primary-text: #ffffff;

    --btn-logout-bg: rgba(241, 245, 249, 0.9);
    --btn-logout-hover: #e2e8f0;

    --glow-green-end: #f8fafc;
    --glow-red-end: #f8fafc;
}

/* -------------------------------------------------------------------------
   Dark theme
   ------------------------------------------------------------------------- */
html[data-theme="dark"] {
    color-scheme: dark;

    --bg-color: #0f172a;
    --bg-gradient-start: #0b1220;
    --bg-gradient-end: #0f172a;

    --surface-color: #111827;
    --card-bg: #111827;
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    --card-shadow-accent: 0 4px 20px rgba(0, 0, 0, 0.45);

    --text-color: #e5e7eb;
    --muted-text: #9ca3af;

    --border-color: #1f2937;
    --navbar-bg: rgba(17, 24, 39, 0.92);
    --navbar-border: #1f2937;

    --kpi-block-bg: rgba(15, 23, 42, 0.55);
    --kpi-block-border: rgba(55, 65, 81, 0.6);
    --kpi-inset-highlight: rgba(255, 255, 255, 0.04);

    --table-header: #9ca3af;
    --table-row-border: #1f2937;
    --table-row-hover: rgba(255, 255, 255, 0.03);

    --hover-surface: #1e293b;
    --shadow-color: rgba(0, 0, 0, 0.45);

    --accent-blue: #3b82f6;
    --accent-orange: #f59e0b;
    --accent-orange-hover: #d97706;
    --btn-zerodha-fg: #0f172a;

    --bull: #22c55e;
    --bear: #ef4444;
    --side: #f59e0b;

    --pill-muted-border: rgba(75, 85, 99, 0.8);
    --pill-muted-bg: rgba(15, 23, 42, 0.65);
    --pill-ok-border: rgba(34, 197, 94, 0.45);
    --pill-ok-bg: rgba(34, 197, 94, 0.1);
    --pill-ok-text: #a7f3d0;
    --pill-bad-border: rgba(239, 68, 68, 0.45);
    --pill-bad-bg: rgba(239, 68, 68, 0.1);
    --pill-bad-text: #fecaca;
    --pill-warn-border: rgba(245, 158, 11, 0.5);
    --pill-warn-bg: rgba(245, 158, 11, 0.12);
    --pill-warn-text: #fde68a;

    --nifty-price-color: #f9fafb;
    --gap-text-color: #d1d5db;

    --badge-bull-bg: rgba(34, 197, 94, 0.15);
    --badge-bull-fg: #22c55e;
    --badge-bull-border: #22c55e;
    --badge-bear-bg: rgba(239, 68, 68, 0.15);
    --badge-bear-fg: #ef4444;
    --badge-bear-border: #ef4444;
    --badge-neutral-bg: rgba(245, 158, 11, 0.15);
    --badge-neutral-fg: #f59e0b;
    --badge-neutral-border: #f59e0b;

    --value-green: #22c55e;
    --value-red: #ef4444;

    --login-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
    --alert-error-bg: rgba(239, 68, 68, 0.15);
    --alert-error-border: rgba(239, 68, 68, 0.4);
    --alert-error-text: #fecaca;

    --btn-primary: #3b82f6;
    --btn-primary-hover: #2563eb;
    --btn-primary-text: #ffffff;

    --btn-logout-bg: rgba(30, 41, 59, 0.6);
    --btn-logout-hover: #1e293b;

    --glow-green-end: #f9fafb;
    --glow-red-end: #f9fafb;
}

/* Smooth theme transitions (professional, not flashy) */
html {
    transition: background-color 0.22s ease, color 0.22s ease;
}

body,
.futures-header,
.card,
.kpi-block,
.login-box,
.login-container,
.futures-table th,
.futures-table td,
.form-group input,
.btn-primary,
.btn-logout,
.btn-zerodha,
.btn-theme,
.badge {
    transition:
        background-color 0.22s ease,
        border-color 0.22s ease,
        color 0.22s ease,
        box-shadow 0.22s ease;
}

/* Theme toggle */
.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    min-height: 2.25rem;
    padding: 0.35rem 0.55rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--surface-color);
    color: var(--text-color);
    font-size: 1.15rem;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 1px 2px var(--shadow-color);
}

.theme-toggle:hover {
    background: var(--hover-surface);
}

.theme-toggle:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

/* Login page: fixed bar for theme only */
.login-topbar {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 50;
    padding: 0.65rem 1rem;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
}