/* =====================================================================================================
   NeuroShrub — violet command-interface theme.
   Design tokens + Bootstrap 5.3 overrides + the shared component library (panels, buttons, badges, meters,
   resource cards, heroes, empty states). Page-specific styles live in landing/game/research/wallet/admin.css,
   motion lives in animations.css. Colours are only defined here — views use classes, never hex values.
   ===================================================================================================== */

:root,
[data-bs-theme="dark"] {
    /* ---- Palette ---- */
    --ai-bg: #090611;
    --ai-bg-secondary: #100a1d;
    --ai-panel: #151020;
    --ai-panel-elevated: #1d1630;
    --ai-panel-sunken: #0d0918;

    --ai-violet: #7c3aed;
    --ai-violet-bright: #8b5cf6;
    --ai-violet-soft: #a78bfa;
    --ai-violet-pale: #ddd6fe;
    --ai-violet-dark: #4c1d95;
    --ai-violet-deep: #1e123a;
    --ai-violet-rgb: 124, 58, 237;
    --ai-violet-bright-rgb: 139, 92, 246;

    --ai-border: #3b2b5c;
    --ai-border-soft: rgba(139, 92, 246, .16);
    --ai-border-strong: rgba(167, 139, 250, .55);

    --ai-text: #f8f7fc;
    --ai-text-secondary: #cfc8de;
    --ai-text-muted: #9b93ad;

    --ai-success: #34d399;
    --ai-warning: #fbbf24;
    --ai-danger: #fb7185;
    --ai-info: #60a5fa;
    --ai-compute: #818cf8;
    --ai-energy: #fbbf24;
    --ai-money: #34d399;
    --ai-storage: #a78bfa;
    --ai-reputation: #f0abfc;
    --ai-usd: #34d399;
    --ai-success-rgb: 52, 211, 153;
    --ai-warning-rgb: 251, 191, 36;
    --ai-danger-rgb: 251, 113, 133;
    --ai-info-rgb: 96, 165, 250;

    /* ---- Shape, depth, motion ---- */
    --ai-radius-0: 0;
    --ai-radius-1: 2px;
    --ai-radius-2: 4px;
    --ai-radius-3: 6px;
    --ai-cut: 12px;
    --ai-cut-sm: 8px;
    --ai-glow: 0 0 18px rgba(124, 58, 237, .15);
    --ai-glow-strong: 0 0 30px rgba(139, 92, 246, .3);
    --ai-shadow: 0 10px 30px -12px rgba(0, 0, 0, .7);
    --ai-ease: cubic-bezier(.2, .7, .2, 1);
    --ai-transition: transform .3s var(--ai-ease), border-color .3s ease, box-shadow .4s ease, background .4s ease, color .3s ease;
    --ai-gradient-primary: linear-gradient(135deg, #6d28d9 0%, #7c3aed 35%, #8b5cf6 70%, #7c3aed 100%);
    --ai-gradient-panel: linear-gradient(160deg, rgba(139, 92, 246, .07) 0%, rgba(21, 16, 32, 0) 45%), var(--ai-panel);

    /* ---- Typography ---- */
    --ai-font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --ai-font-display: "Chakra Petch", "Rajdhani", "Segoe UI", system-ui, sans-serif;
    --ai-font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --ai-tracking: .08em;

    /* ---- Bootstrap mapping ---- */
    --bs-body-font-family: var(--ai-font-body);
    --bs-font-sans-serif: var(--ai-font-body);
    --bs-font-monospace: var(--ai-font-mono);
    --bs-body-bg: var(--ai-bg);
    --bs-body-bg-rgb: 9, 6, 17;
    --bs-body-color: var(--ai-text-secondary);
    --bs-body-color-rgb: 207, 200, 222;
    --bs-emphasis-color: var(--ai-text);
    --bs-emphasis-color-rgb: 248, 247, 252;
    --bs-heading-color: var(--ai-text);
    --bs-secondary-color: var(--ai-text-muted);
    --bs-secondary-color-rgb: 155, 147, 173;
    --bs-secondary-bg: var(--ai-panel-elevated);
    --bs-tertiary-bg: var(--ai-panel-elevated);
    --bs-tertiary-bg-rgb: 29, 22, 48;
    --bs-tertiary-color: var(--ai-text-muted);
    --bs-border-color: var(--ai-border);
    --bs-border-color-translucent: var(--ai-border-soft);
    --bs-link-color: var(--ai-violet-soft);
    --bs-link-color-rgb: 167, 139, 250;
    --bs-link-hover-color: var(--ai-violet-pale);
    --bs-link-hover-color-rgb: 221, 214, 254;
    --bs-code-color: var(--ai-reputation);
    --bs-highlight-bg: rgba(var(--ai-violet-rgb), .35);
    --bs-highlight-color: var(--ai-text);

    --bs-primary: var(--ai-violet);
    --bs-primary-rgb: 124, 58, 237;
    --bs-success: var(--ai-success);
    --bs-success-rgb: 52, 211, 153;
    --bs-warning: var(--ai-warning);
    --bs-warning-rgb: 251, 191, 36;
    --bs-danger: var(--ai-danger);
    --bs-danger-rgb: 251, 113, 133;
    --bs-info: var(--ai-info);
    --bs-info-rgb: 96, 165, 250;
    --bs-secondary-rgb: 155, 147, 173;
    --bs-dark-rgb: 13, 9, 24;
    --bs-light-rgb: 248, 247, 252;

    --bs-primary-text-emphasis: var(--ai-violet-soft);
    --bs-primary-bg-subtle: rgba(var(--ai-violet-rgb), .14);
    --bs-primary-border-subtle: rgba(var(--ai-violet-bright-rgb), .45);
    --bs-success-text-emphasis: #6ee7b7;
    --bs-success-bg-subtle: rgba(var(--ai-success-rgb), .1);
    --bs-success-border-subtle: rgba(var(--ai-success-rgb), .4);
    --bs-warning-text-emphasis: #fcd34d;
    --bs-warning-bg-subtle: rgba(var(--ai-warning-rgb), .09);
    --bs-warning-border-subtle: rgba(var(--ai-warning-rgb), .4);
    --bs-danger-text-emphasis: #fda4af;
    --bs-danger-bg-subtle: rgba(var(--ai-danger-rgb), .1);
    --bs-danger-border-subtle: rgba(var(--ai-danger-rgb), .45);
    --bs-info-text-emphasis: #93c5fd;
    --bs-info-bg-subtle: rgba(var(--ai-info-rgb), .1);
    --bs-info-border-subtle: rgba(var(--ai-info-rgb), .4);
    --bs-secondary-text-emphasis: var(--ai-text-secondary);
    --bs-secondary-bg-subtle: rgba(155, 147, 173, .1);
    --bs-secondary-border-subtle: var(--ai-border);

    --bs-form-valid-color: var(--ai-success);
    --bs-form-valid-border-color: var(--ai-success);
    --bs-form-invalid-color: var(--ai-danger);
    --bs-form-invalid-border-color: var(--ai-danger);
    --bs-focus-ring-color: rgba(var(--ai-violet-bright-rgb), .45);

    --bs-border-radius: var(--ai-radius-1);
    --bs-border-radius-sm: var(--ai-radius-1);
    --bs-border-radius-lg: var(--ai-radius-2);
    --bs-border-radius-xl: var(--ai-radius-3);
    --bs-border-radius-xxl: var(--ai-radius-3);
    --bs-border-radius-2xl: var(--ai-radius-3);
    --bs-border-radius-pill: var(--ai-radius-1);
    --bs-box-shadow: var(--ai-shadow);
    color-scheme: dark;
}

/* =====================================================================================================
   Base & typography
   ===================================================================================================== */
html { font-size: 15px; }

body {
    font-family: var(--ai-font-body);
    background-color: var(--ai-bg);
    color: var(--ai-text-secondary);
    -webkit-font-smoothing: antialiased;
    font-feature-settings: "cv11", "ss01";
}

::selection { background: rgba(var(--ai-violet-rgb), .55); color: #fff; }

h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6, .display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
    font-family: var(--ai-font-display);
    color: var(--ai-text);
    font-weight: 600;
    letter-spacing: .02em;
}

h1, .h1, h2, .h2, .display-5, .display-6 { text-transform: uppercase; letter-spacing: .05em; }

.lead { color: var(--ai-text-secondary); }
.text-secondary, .text-body-secondary, .text-muted { color: var(--ai-text-muted) !important; }
.text-body { color: var(--ai-text) !important; }
.text-primary { color: var(--ai-violet-soft) !important; }
.text-info { color: var(--ai-compute) !important; }
.text-success { color: var(--ai-success) !important; }
.text-warning { color: var(--ai-warning) !important; }
.text-danger { color: var(--ai-danger) !important; }
.text-accent { color: var(--ai-violet-soft) !important; }
.text-warning-emphasis { color: #fcd34d !important; }
.text-usd { color: var(--ai-usd) !important; }
.tabular, .stat-value, .ai-num { font-variant-numeric: tabular-nums; }
.font-monospace { font-family: var(--ai-font-mono) !important; }
.ai-display { font-family: var(--ai-font-display); }
.ai-kicker {
    font-family: var(--ai-font-display);
    font-size: .74rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .22em;
    color: var(--ai-violet-soft);
}
.ai-kicker::before { content: "//"; margin-inline-end: .5em; color: var(--ai-violet); }

a { text-underline-offset: .2em; transition: color .25s ease; }
hr { border-color: var(--ai-border); opacity: 1; }
code { font-family: var(--ai-font-mono); }

:focus-visible { outline: 2px solid var(--ai-violet-soft); outline-offset: 2px; }
a:focus-visible, .btn:focus-visible, .nav-link:focus-visible, .form-control:focus-visible { outline: 2px solid var(--ai-violet-soft); outline-offset: 2px; box-shadow: none; }

/* =====================================================================================================
   Panels — cards, the "game panel" and cut corners
   ===================================================================================================== */
.card, .ai-panel {
    --bs-card-bg: var(--ai-panel);
    --bs-card-border-color: var(--ai-border);
    --bs-card-border-radius: var(--ai-radius-1);
    --bs-card-inner-border-radius: 0;
    --bs-card-cap-bg: rgba(var(--ai-violet-rgb), .05);
    --bs-card-cap-color: var(--ai-text);
    --bs-card-color: var(--ai-text-secondary);
    position: relative;
    background: var(--ai-gradient-panel);
    border: 1px solid var(--ai-border);
    border-radius: var(--ai-radius-1);
    box-shadow: var(--ai-shadow);
}

/* Cut top-right / bottom-left corners. The diagonal border line is drawn by ::after so the edge stays crisp. */
.ai-cut, .card:not(.ai-no-cut):not(:has(.dropdown)) {
    clip-path: polygon(0 0, calc(100% - var(--ai-cut)) 0, 100% var(--ai-cut), 100% 100%, var(--ai-cut) 100%, 0 calc(100% - var(--ai-cut)));
}
.ai-cut::after, .card:not(.ai-no-cut):not(:has(.dropdown))::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(225deg, transparent calc(var(--ai-cut) * .7 - 1px), var(--ai-border-strong) calc(var(--ai-cut) * .7 - 1px), var(--ai-border-strong) calc(var(--ai-cut) * .7), transparent calc(var(--ai-cut) * .7)) top right / calc(var(--ai-cut) + 2px) calc(var(--ai-cut) + 2px) no-repeat,
        linear-gradient(45deg, transparent calc(var(--ai-cut) * .7 - 1px), var(--ai-border-strong) calc(var(--ai-cut) * .7 - 1px), var(--ai-border-strong) calc(var(--ai-cut) * .7), transparent calc(var(--ai-cut) * .7)) bottom left / calc(var(--ai-cut) + 2px) calc(var(--ai-cut) + 2px) no-repeat;
}

.card-header {
    font-family: var(--ai-font-display);
    font-size: .82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--ai-tracking);
    color: var(--ai-text);
    border-bottom: 1px solid var(--ai-border-soft);
    padding: .7rem 1rem;
}
.card-header .bi { color: var(--ai-violet-soft); }
.card-header a, .card-header .small { font-family: var(--ai-font-body); text-transform: none; letter-spacing: 0; font-weight: 500; }
.card-footer { background: rgba(var(--ai-violet-rgb), .04); border-top: 1px solid var(--ai-border-soft); }

/* Accent edges: server → violet, energy → gold, compute → indigo, danger → rose. */
.ai-accent-top { border-top: 2px solid var(--ai-accent, var(--ai-violet-bright)) !important; }
.ai-accent-left { border-inline-start: 2px solid var(--ai-accent, var(--ai-violet-bright)) !important; }
.ai-accent-energy { --ai-accent: var(--ai-energy); }
.ai-accent-compute { --ai-accent: var(--ai-compute); }
.ai-accent-money { --ai-accent: var(--ai-money); }
.ai-accent-danger { --ai-accent: var(--ai-danger); }
.ai-accent-storage { --ai-accent: var(--ai-storage); }

/* Glow is reserved for selected / critical panels. Clipped panels glow inward so the cut corners keep their edge. */
.card-glow, .ai-glow {
    border-color: rgba(var(--ai-violet-bright-rgb), .6) !important;
    box-shadow: inset 0 0 0 1px rgba(var(--ai-violet-bright-rgb), .15), inset 0 0 28px rgba(var(--ai-violet-rgb), .16), var(--ai-glow);
}

/* Interactive cards lift on hover. */
.item-card, .ai-hover, .payment-card, .legal-card {
    transition: var(--ai-transition);
}
@media (hover: hover) {
    .item-card:hover, .ai-hover:hover, .payment-card:hover, .legal-card:hover {
        transform: translateY(-2px);
        border-color: var(--ai-border-strong);
        box-shadow: inset 0 0 26px rgba(var(--ai-violet-rgb), .12), var(--ai-glow-strong);
    }
}
.item-card.is-locked, .card.is-locked { opacity: .62; filter: saturate(.6); }
.item-card.is-locked:hover { transform: none; }

/* =====================================================================================================
   Section headers & page headers
   ===================================================================================================== */
.page-header { position: relative; }
.page-header h1 {
    font-size: clamp(1.45rem, 1.1rem + 1.4vw, 2.1rem);
    font-weight: 700;
    letter-spacing: .06em;
    margin: 0;
    display: flex;
    align-items: center;
    gap: .6rem;
}
.page-header h1 .bi { font-size: .85em; color: var(--ai-violet-soft); filter: drop-shadow(0 0 10px rgba(var(--ai-violet-bright-rgb), .6)); }
.page-header p { color: var(--ai-text-muted); margin: .35rem 0 0; max-width: 72ch; }

.section-title, .ai-section-title {
    position: relative;
    font-family: var(--ai-font-display);
    font-size: .9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .14em;
    color: var(--ai-text);
    padding-inline-start: .95rem;
    margin-bottom: .9rem;
}
.section-title::before, .ai-section-title::before {
    content: "";
    position: absolute;
    inset-inline-start: 0;
    top: .15em;
    bottom: .15em;
    width: 3px;
    background: linear-gradient(var(--ai-violet-soft), var(--ai-violet));
    box-shadow: 0 0 10px rgba(var(--ai-violet-bright-rgb), .8);
}
.section-title .bi { color: var(--ai-violet-soft); }
.ai-section-title::after {
    content: "";
    display: inline-block;
    width: 3rem;
    height: 1px;
    margin-inline-start: .8rem;
    vertical-align: middle;
    background: linear-gradient(90deg, var(--ai-border-strong), transparent);
}

/* =====================================================================================================
   Buttons — sharp, engineered, hover sweep
   ===================================================================================================== */
.btn {
    --bs-btn-border-radius: var(--ai-radius-1);
    --bs-btn-font-family: var(--ai-font-display);
    --bs-btn-font-weight: 600;
    --bs-btn-padding-x: 1rem;
    --bs-btn-padding-y: .45rem;
    --bs-btn-focus-box-shadow: 0 0 0 .2rem rgba(var(--ai-violet-bright-rgb), .35);
    --bs-btn-disabled-opacity: .42;
    position: relative;
    isolation: isolate;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: .07em;
    font-size: .86rem;
    transition: var(--ai-transition), opacity .2s ease;
}
.btn-sm { --bs-btn-padding-y: .3rem; --bs-btn-padding-x: .7rem; font-size: .74rem; letter-spacing: .06em; }
.btn-lg { --bs-btn-padding-y: .8rem; --bs-btn-padding-x: 1.6rem; font-size: .98rem; letter-spacing: .1em; }
.btn-link { text-transform: none; letter-spacing: 0; font-family: var(--ai-font-body); font-weight: 500; overflow: visible; }

/* Diagonal light sweep, only on hover. */
.btn:not(.btn-link)::before {
    content: "";
    position: absolute;
    inset: -2px auto -2px 0;
    width: 45%;
    z-index: -1;
    pointer-events: none;
    background: linear-gradient(105deg, transparent 0%, rgba(255, 255, 255, .22) 50%, transparent 100%);
    transform: translateX(-160%) skewX(-18deg);
    transition: transform 0s;
}
@media (hover: hover) {
    .btn:not(.btn-link):not(:disabled):not(.disabled):hover::before { transform: translateX(330%) skewX(-18deg); transition: transform .75s var(--ai-ease); }
    .btn:not(.btn-link):not(:disabled):not(.disabled):hover { transform: translateY(-1px); }
}
.btn:active { transform: translateY(0) !important; }

.btn-primary {
    --bs-btn-color: #fff;
    --bs-btn-bg: var(--ai-violet);
    --bs-btn-border-color: var(--ai-violet-bright);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: var(--ai-violet-bright);
    --bs-btn-hover-border-color: var(--ai-violet-soft);
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: #6d28d9;
    --bs-btn-active-border-color: var(--ai-violet-soft);
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: var(--ai-violet-dark);
    --bs-btn-disabled-border-color: var(--ai-violet-dark);
    background-image: var(--ai-gradient-primary);
    background-size: 220% 100%;
    background-position: 0% 0;
    box-shadow: 0 0 18px rgba(var(--ai-violet-rgb), .3), inset 0 1px 0 rgba(255, 255, 255, .18);
    text-shadow: 0 1px 0 rgba(30, 10, 60, .35);
}
.btn-primary:hover, .btn-primary:focus-visible { background-position: 100% 0; box-shadow: var(--ai-glow-strong), 0 0 0 1px rgba(var(--ai-violet-bright-rgb), .5), inset 0 1px 0 rgba(255, 255, 255, .25); }
.btn-primary:disabled, .btn-primary.disabled { box-shadow: none; background-image: none; }

/* "Info" actions (accept, confirm, find jobs) are electric violet so the game stays violet-first. */
.btn-info {
    --bs-btn-color: #fff;
    --bs-btn-bg: rgba(var(--ai-violet-bright-rgb), .22);
    --bs-btn-border-color: var(--ai-violet-bright);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: rgba(var(--ai-violet-bright-rgb), .4);
    --bs-btn-hover-border-color: var(--ai-violet-soft);
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: rgba(var(--ai-violet-bright-rgb), .5);
    --bs-btn-active-border-color: var(--ai-violet-soft);
    --bs-btn-disabled-color: var(--ai-text-muted);
    --bs-btn-disabled-bg: transparent;
    --bs-btn-disabled-border-color: var(--ai-border);
    box-shadow: inset 0 0 14px rgba(var(--ai-violet-bright-rgb), .25);
}
.btn-info:hover { box-shadow: inset 0 0 18px rgba(var(--ai-violet-bright-rgb), .35), var(--ai-glow); }

.btn-success {
    --bs-btn-color: #04120c;
    --bs-btn-bg: var(--ai-success);
    --bs-btn-border-color: #6ee7b7;
    --bs-btn-hover-color: #04120c;
    --bs-btn-hover-bg: #6ee7b7;
    --bs-btn-hover-border-color: #a7f3d0;
    --bs-btn-active-color: #04120c;
    --bs-btn-active-bg: #10b981;
    --bs-btn-active-border-color: #a7f3d0;
    --bs-btn-disabled-color: #04120c;
    --bs-btn-disabled-bg: #1f7a5b;
    --bs-btn-disabled-border-color: #1f7a5b;
    box-shadow: 0 0 16px rgba(var(--ai-success-rgb), .18);
}
.btn-warning {
    --bs-btn-color: #1a1203;
    --bs-btn-bg: var(--ai-warning);
    --bs-btn-border-color: #fcd34d;
    --bs-btn-hover-color: #1a1203;
    --bs-btn-hover-bg: #fcd34d;
    --bs-btn-hover-border-color: #fde68a;
    --bs-btn-active-color: #1a1203;
    --bs-btn-active-bg: #f59e0b;
    --bs-btn-active-border-color: #fde68a;
    --bs-btn-disabled-color: #1a1203;
    --bs-btn-disabled-bg: #8a6a1a;
    --bs-btn-disabled-border-color: #8a6a1a;
    box-shadow: 0 0 16px rgba(var(--ai-warning-rgb), .16);
}
.btn-danger {
    --bs-btn-color: #1f0509;
    --bs-btn-bg: var(--ai-danger);
    --bs-btn-border-color: #fda4af;
    --bs-btn-hover-color: #1f0509;
    --bs-btn-hover-bg: #fda4af;
    --bs-btn-hover-border-color: #fecdd3;
    --bs-btn-active-color: #1f0509;
    --bs-btn-active-bg: #f43f5e;
    --bs-btn-active-border-color: #fecdd3;
}
.btn-secondary, .btn-dark {
    --bs-btn-color: var(--ai-text);
    --bs-btn-bg: var(--ai-panel-elevated);
    --bs-btn-border-color: var(--ai-border);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #271e40;
    --bs-btn-hover-border-color: var(--ai-border-strong);
    --bs-btn-active-bg: #2d2349;
    --bs-btn-active-color: #fff;
}

/* Outline buttons: ghost panels with a violet edge. */
.btn-outline-light, .btn-outline-secondary {
    --bs-btn-color: var(--ai-text-secondary);
    --bs-btn-bg: rgba(13, 9, 24, .55);
    --bs-btn-border-color: var(--ai-border);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: rgba(var(--ai-violet-rgb), .16);
    --bs-btn-hover-border-color: var(--ai-violet-soft);
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: rgba(var(--ai-violet-rgb), .26);
    --bs-btn-active-border-color: var(--ai-violet-soft);
    --bs-btn-disabled-color: var(--ai-text-muted);
    --bs-btn-disabled-bg: transparent;
    --bs-btn-disabled-border-color: var(--ai-border);
}
.btn-outline-light { --bs-btn-color: var(--ai-text); --bs-btn-border-color: rgba(221, 214, 254, .4); }
.btn-outline-primary, .btn-outline-info {
    --bs-btn-color: var(--ai-violet-soft);
    --bs-btn-bg: rgba(var(--ai-violet-rgb), .06);
    --bs-btn-border-color: rgba(var(--ai-violet-bright-rgb), .6);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: rgba(var(--ai-violet-rgb), .3);
    --bs-btn-hover-border-color: var(--ai-violet-soft);
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: rgba(var(--ai-violet-rgb), .42);
    --bs-btn-active-border-color: var(--ai-violet-soft);
    --bs-btn-disabled-color: var(--ai-text-muted);
    --bs-btn-disabled-bg: transparent;
    --bs-btn-disabled-border-color: var(--ai-border);
}
.btn-outline-success {
    --bs-btn-color: var(--ai-success);
    --bs-btn-border-color: rgba(var(--ai-success-rgb), .55);
    --bs-btn-hover-color: #04120c;
    --bs-btn-hover-bg: var(--ai-success);
    --bs-btn-hover-border-color: var(--ai-success);
    --bs-btn-active-color: #04120c;
    --bs-btn-active-bg: #10b981;
    --bs-btn-disabled-color: var(--ai-text-muted);
    --bs-btn-disabled-border-color: var(--ai-border);
}
.btn-outline-warning {
    --bs-btn-color: var(--ai-warning);
    --bs-btn-border-color: rgba(var(--ai-warning-rgb), .55);
    --bs-btn-hover-color: #1a1203;
    --bs-btn-hover-bg: var(--ai-warning);
    --bs-btn-hover-border-color: var(--ai-warning);
    --bs-btn-active-color: #1a1203;
    --bs-btn-active-bg: #f59e0b;
    --bs-btn-disabled-color: var(--ai-text-muted);
    --bs-btn-disabled-border-color: var(--ai-border);
}
.btn-outline-danger {
    --bs-btn-color: var(--ai-danger);
    --bs-btn-border-color: rgba(var(--ai-danger-rgb), .55);
    --bs-btn-hover-color: #1f0509;
    --bs-btn-hover-bg: var(--ai-danger);
    --bs-btn-hover-border-color: var(--ai-danger);
    --bs-btn-active-color: #1f0509;
    --bs-btn-active-bg: #f43f5e;
}

/* Cut-corner variant for hero CTAs. */
.ai-btn-cut { clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px)); }

.btn-close { --bs-btn-close-focus-shadow: 0 0 0 .2rem rgba(var(--ai-violet-bright-rgb), .4); }

/* =====================================================================================================
   Badges — status chips
   ===================================================================================================== */
.badge {
    --bs-badge-border-radius: var(--ai-radius-1);
    --bs-badge-font-weight: 600;
    font-family: var(--ai-font-display);
    font-size: .7rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    padding: .35em .6em;
    border: 1px solid transparent;
    border-radius: var(--ai-radius-1) !important;
}
.badge.fs-6 { font-size: .8rem !important; }
.text-bg-primary { color: var(--ai-violet-pale) !important; background-color: rgba(var(--ai-violet-rgb), .28) !important; border-color: rgba(var(--ai-violet-bright-rgb), .6) !important; }
.text-bg-info { color: #c7d2fe !important; background-color: rgba(129, 140, 248, .16) !important; border-color: rgba(129, 140, 248, .5) !important; }
.text-bg-success { color: #a7f3d0 !important; background-color: rgba(var(--ai-success-rgb), .14) !important; border-color: rgba(var(--ai-success-rgb), .5) !important; }
.text-bg-warning { color: #fde68a !important; background-color: rgba(var(--ai-warning-rgb), .13) !important; border-color: rgba(var(--ai-warning-rgb), .5) !important; }
.text-bg-danger { color: #fecdd3 !important; background-color: rgba(var(--ai-danger-rgb), .15) !important; border-color: rgba(var(--ai-danger-rgb), .55) !important; }
.text-bg-secondary { color: var(--ai-text-secondary) !important; background-color: rgba(155, 147, 173, .12) !important; border-color: rgba(155, 147, 173, .35) !important; }
.text-bg-dark, .text-bg-light { color: var(--ai-text-secondary) !important; background-color: var(--ai-panel-sunken) !important; border-color: var(--ai-border) !important; }
.badge.border { border-color: var(--ai-border) !important; }

/* Status dot used by "online", "running", "live" indicators. */
.ai-dot { display: inline-block; width: .5rem; height: .5rem; background: var(--ai-dot, var(--ai-success)); box-shadow: 0 0 8px var(--ai-dot, var(--ai-success)); transform: rotate(45deg); flex: none; }
.ai-dot-violet { --ai-dot: var(--ai-violet-soft); }
.ai-dot-warning { --ai-dot: var(--ai-warning); }
.ai-dot-danger { --ai-dot: var(--ai-danger); }
.ai-dot-muted { --ai-dot: var(--ai-text-muted); box-shadow: none; }

/* Server / hardware tiers. */
.ai-tier { --tier: var(--ai-text-muted); font-family: var(--ai-font-display); font-size: .66rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--tier); border: 1px solid color-mix(in srgb, var(--tier) 55%, transparent); background: color-mix(in srgb, var(--tier) 12%, transparent); padding: .2em .55em; }
.ai-tier-1 { --tier: #b8b3c7; }
.ai-tier-2 { --tier: #a78bfa; }
.ai-tier-3 { --tier: #c084fc; }
.ai-tier-4 { --tier: #e879f9; }
.ai-tier-5 { --tier: #f0abfc; }
.ai-tier-6 { --tier: #67e8f9; }

/* =====================================================================================================
   Meters / progress bars
   ===================================================================================================== */
.progress, .progress-stacked {
    --bs-progress-height: .5rem;
    --bs-progress-bg: rgba(13, 9, 24, .9);
    --bs-progress-border-radius: 0;
    --bs-progress-bar-bg: var(--ai-violet-bright);
    border: 1px solid var(--ai-border-soft);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, .6);
}
.progress-thin { --bs-progress-height: .36rem; }
.progress-bar {
    position: relative;
    overflow: hidden;
    background-image: linear-gradient(90deg, var(--ai-violet-dark), var(--ai-violet-bright) 70%, var(--ai-violet-soft));
    box-shadow: 0 0 10px rgba(var(--ai-violet-bright-rgb), .55);
    transition: width .8s var(--ai-ease);
}
.progress-bar.bg-info { background-image: linear-gradient(90deg, #3730a3, var(--ai-compute) 75%, #c7d2fe); box-shadow: 0 0 10px rgba(129, 140, 248, .5); }
.progress-bar.bg-warning { background-image: linear-gradient(90deg, #92400e, var(--ai-warning) 75%, #fde68a); box-shadow: 0 0 10px rgba(var(--ai-warning-rgb), .45); }
.progress-bar.bg-success { background-image: linear-gradient(90deg, #065f46, var(--ai-success) 75%, #a7f3d0); box-shadow: 0 0 10px rgba(var(--ai-success-rgb), .45); }
.progress-bar.bg-danger { background-image: linear-gradient(90deg, #9f1239, var(--ai-danger)); }
.progress-bar.bg-primary { background-image: linear-gradient(90deg, var(--ai-violet-dark), var(--ai-violet-bright) 70%, var(--ai-violet-soft)); }
/* Bootstrap's stripes animate background-position (repaints); replace with a transform-only shimmer. */
.progress-bar-striped { background-size: auto; }
.progress-bar-animated { animation: none; }

/* A lightweight segmented meter for cards. */
.ai-meter { position: relative; height: 6px; background: rgba(13, 9, 24, .9); border: 1px solid var(--ai-border-soft); overflow: hidden; }
.ai-meter > span { position: absolute; inset: 0 auto 0 0; background: linear-gradient(90deg, color-mix(in srgb, var(--ai-accent, var(--ai-violet-bright)) 35%, transparent), var(--ai-accent, var(--ai-violet-bright))); box-shadow: 0 0 10px var(--ai-accent, var(--ai-violet-bright)); transition: width .9s var(--ai-ease); }
.ai-meter::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(90deg, transparent 0 9px, rgba(9, 6, 17, .85) 9px 11px); pointer-events: none; }

/* =====================================================================================================
   Resource cards
   ===================================================================================================== */
.ai-resource {
    --ai-accent: var(--ai-violet-bright);
    position: relative;
    height: 100%;
    padding: .95rem 1rem .9rem;
    background:
        radial-gradient(120% 80% at 100% 0%, color-mix(in srgb, var(--ai-accent) 14%, transparent), transparent 60%),
        var(--ai-panel);
    border: 1px solid var(--ai-border);
    border-top: 2px solid var(--ai-accent);
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
    transition: var(--ai-transition);
}
.ai-resource--money { --ai-accent: var(--ai-money); }
.ai-resource--compute { --ai-accent: var(--ai-compute); }
.ai-resource--energy { --ai-accent: var(--ai-energy); }
.ai-resource--storage { --ai-accent: var(--ai-storage); }
.ai-resource--reputation { --ai-accent: var(--ai-reputation); }
.ai-resource--usd { --ai-accent: var(--ai-usd); }
.ai-resource--violet { --ai-accent: var(--ai-violet-soft); }
.ai-resource__head { display: flex; justify-content: space-between; align-items: flex-start; gap: .5rem; margin-bottom: .35rem; }
.ai-resource__label { font-family: var(--ai-font-display); font-size: .72rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--ai-text-muted); }
.ai-resource__icon { display: inline-grid; place-items: center; width: 2rem; height: 2rem; font-size: 1rem; color: var(--ai-accent); border: 1px solid color-mix(in srgb, var(--ai-accent) 45%, transparent); background: color-mix(in srgb, var(--ai-accent) 10%, transparent); transform: rotate(45deg); }
.ai-resource__icon > * { transform: rotate(-45deg); }
.ai-resource__value { font-family: var(--ai-font-display); font-size: clamp(1.3rem, 1.1rem + .7vw, 1.7rem); font-weight: 700; color: var(--ai-text); line-height: 1.15; font-variant-numeric: tabular-nums; letter-spacing: .02em; }
.ai-resource__value small { font-size: .62em; font-weight: 500; color: var(--ai-text-muted); letter-spacing: .08em; }
.ai-resource__meta { font-size: .78rem; color: var(--ai-text-muted); margin-top: .35rem; }
.ai-resource .ai-meter { margin-top: .55rem; }
.ai-trend-up { color: var(--ai-success); }
.ai-trend-down { color: var(--ai-danger); }

/* Legacy stat cards (admin + secondary pages) pick up the same typography. */
.stat-card .stat-label, .stat-label { font-family: var(--ai-font-display); color: var(--ai-text-muted); font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .14em; }
.stat-card .stat-value, .stat-value { font-family: var(--ai-font-display); font-size: 1.55rem; font-weight: 700; color: var(--ai-text); line-height: 1.2; }
.stat-icon {
    display: inline-grid;
    place-items: center;
    width: 2.3rem;
    height: 2.3rem;
    flex: none;
    font-size: 1.1rem;
    border: 1px solid var(--ai-border);
    background: linear-gradient(135deg, rgba(var(--ai-violet-rgb), .18), rgba(13, 9, 24, .6));
    clip-path: polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 7px 100%, 0 calc(100% - 7px));
}

.metric-row { display: flex; justify-content: space-between; gap: 1rem; padding: .4rem 0; border-bottom: 1px solid var(--ai-border-soft); }
.metric-row:last-child { border-bottom: 0; }
.metric-row > span:first-child { color: var(--ai-text-muted); }
.metric-row strong { color: var(--ai-text); font-variant-numeric: tabular-nums; font-weight: 600; }

/* =====================================================================================================
   Page heroes with background artwork  (image → dark overlay → violet gradient → content)
   ===================================================================================================== */
.ai-hero {
    --ai-hero-image: none;
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding: clamp(1.25rem, 1rem + 1.5vw, 2.25rem);
    margin-bottom: 1.5rem;
    border: 1px solid var(--ai-border);
    background:
        linear-gradient(90deg, rgba(9, 6, 17, .97) 0%, rgba(9, 6, 17, .86) 45%, rgba(20, 10, 40, .55) 100%),
        linear-gradient(0deg, rgba(9, 6, 17, .9), transparent 55%),
        var(--ai-hero-image) right center / cover no-repeat,
        var(--ai-bg-secondary);
    clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}
.ai-hero::before { /* violet tint */
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: radial-gradient(70% 120% at 85% 20%, rgba(var(--ai-violet-rgb), .28), transparent 65%);
    pointer-events: none;
}
.ai-hero::after { /* scan line along the bottom edge */
    content: "";
    position: absolute;
    inset-inline-start: 0;
    inset-inline-end: 0;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--ai-violet-soft), transparent);
    opacity: .7;
    pointer-events: none;
}
.ai-hero > * { position: relative; z-index: 1; }
.ai-hero__art { position: absolute; z-index: 0; inset-inline-end: clamp(.5rem, 2vw, 2.5rem); top: 50%; width: clamp(9rem, 7rem + 12vw, 17rem); max-height: 88%; object-fit: contain; transform: translateY(-50%); opacity: .92; pointer-events: none; }
.ai-hero__content { max-width: min(100%, 46rem); }
@media (min-width: 768px) { .ai-hero:has(> .ai-hero__art) > .ai-hero__content { max-width: min(46rem, calc(100% - clamp(9rem, 7rem + 12vw, 17rem) - 2rem)); } }
@media (max-width: 767.98px) { .ai-hero__art { opacity: .28; inset-inline-end: -3rem; } }
.ai-hero .page-header p { color: var(--ai-text-secondary); }
.ai-hero--dashboard { --ai-hero-image: url("../images/game/backgrounds/dashboard-network-bg.svg"); }
.ai-hero--servers { --ai-hero-image: url("../images/game/servers/server-room-bg.svg"); }
.ai-hero--infrastructure { --ai-hero-image: url("../images/game/infrastructure/energy-reactor-bg.svg"); }
.ai-hero--research { --ai-hero-image: url("../images/game/research/research-core-bg.svg"); }
.ai-hero--wallet { --ai-hero-image: url("../images/game/backgrounds/wallet-grid-bg.svg"); }
.ai-hero--leaderboard { --ai-hero-image: url("../images/game/backgrounds/leaderboard-arena-bg.svg"); }
.ai-hero--jobs { --ai-hero-image: url("../images/game/backgrounds/dashboard-network-bg.svg"); }
.ai-hero--market { --ai-hero-image: url("../images/game/backgrounds/wallet-grid-bg.svg"); }
.ai-hero--network { --ai-hero-image: url("../images/game/backgrounds/dashboard-network-bg.svg"); }

/* Chips shown inside heroes (level, generation, reputation). */
.ai-chip { display: inline-flex; align-items: center; gap: .4rem; padding: .3rem .65rem; font-size: .78rem; color: var(--ai-text-secondary); background: rgba(13, 9, 24, .7); border: 1px solid var(--ai-border); }
.ai-chip strong { color: var(--ai-text); font-family: var(--ai-font-display); letter-spacing: .04em; }
.ai-chip .bi { color: var(--ai-violet-soft); }
.ai-chip--accent { border-color: rgba(var(--ai-violet-bright-rgb), .6); background: rgba(var(--ai-violet-rgb), .18); }

/* =====================================================================================================
   Forms
   ===================================================================================================== */
.form-control, .form-select {
    --bs-border-radius: var(--ai-radius-1);
    color: var(--ai-text);
    background-color: var(--ai-panel-sunken);
    border: 1px solid var(--ai-border);
    transition: border-color .25s ease, box-shadow .25s ease, background-color .25s ease;
}
.form-control::placeholder { color: rgba(155, 147, 173, .7); }
.form-control:hover, .form-select:hover { border-color: rgba(var(--ai-violet-bright-rgb), .55); }
.form-control:focus, .form-select:focus {
    color: var(--ai-text);
    background-color: #120c22;
    border-color: var(--ai-violet-soft);
    box-shadow: 0 0 0 .2rem rgba(var(--ai-violet-bright-rgb), .25), 0 0 18px rgba(var(--ai-violet-rgb), .25);
}
.form-control:disabled, .form-control[readonly] { background-color: rgba(29, 22, 48, .6); }
.form-control.is-invalid, .was-validated .form-control:invalid, .input-validation-error { border-color: var(--ai-danger) !important; box-shadow: 0 0 0 .15rem rgba(var(--ai-danger-rgb), .18); }
.field-validation-error, .invalid-feedback { color: var(--ai-danger) !important; font-weight: 500; }
.validation-summary-errors ul { margin-bottom: 0; padding-inline-start: 1.1rem; }
.form-label, .col-form-label { color: var(--ai-text-secondary); font-weight: 500; }
.form-text { color: var(--ai-text-muted); }
.form-floating > label { color: var(--ai-text-muted); }
.form-floating > .form-control:focus ~ label, .form-floating > .form-control:not(:placeholder-shown) ~ label { color: var(--ai-violet-soft); }
.form-floating > .form-control:focus ~ label::after, .form-floating > .form-control:not(:placeholder-shown) ~ label::after { background-color: transparent; }
.form-check-input { background-color: var(--ai-panel-sunken); border-color: var(--ai-border-strong); border-radius: var(--ai-radius-1); }
.form-check-input:checked { background-color: var(--ai-violet); border-color: var(--ai-violet-soft); box-shadow: 0 0 10px rgba(var(--ai-violet-rgb), .5); }
.form-check-input:focus { border-color: var(--ai-violet-soft); box-shadow: 0 0 0 .2rem rgba(var(--ai-violet-bright-rgb), .25); }
.form-switch .form-check-input { border-radius: 2em; }
.form-range::-webkit-slider-thumb { background: var(--ai-violet-bright); border-radius: 0; transform: rotate(45deg); box-shadow: 0 0 10px rgba(var(--ai-violet-bright-rgb), .8); }
.form-range::-moz-range-thumb { background: var(--ai-violet-bright); border-radius: 0; box-shadow: 0 0 10px rgba(var(--ai-violet-bright-rgb), .8); }
.form-range::-webkit-slider-runnable-track { background: var(--ai-panel-elevated); border-radius: 0; }
.form-range::-moz-range-track { background: var(--ai-panel-elevated); border-radius: 0; }
.input-group-text { background: var(--ai-panel-elevated); border-color: var(--ai-border); color: var(--ai-text-muted); }

/* =====================================================================================================
   Tables & lists
   ===================================================================================================== */
.table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--ai-text-secondary);
    --bs-table-border-color: var(--ai-border-soft);
    --bs-table-striped-bg: rgba(var(--ai-violet-rgb), .035);
    --bs-table-hover-bg: rgba(var(--ai-violet-rgb), .08);
    --bs-table-hover-color: var(--ai-text);
}
.table > thead > tr > th, .table > thead > tr > td {
    font-family: var(--ai-font-display);
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .12em;
    color: var(--ai-violet-soft) !important;
    background: rgba(var(--ai-violet-rgb), .07);
    border-bottom: 1px solid rgba(var(--ai-violet-bright-rgb), .4);
    white-space: nowrap;
}
.table > tbody > tr { transition: background-color .25s ease; }
.table > tbody > tr:hover > * { --bs-table-bg-state: rgba(var(--ai-violet-rgb), .07); }
.table > tbody > tr > th { color: var(--ai-text); }
.table-borderless > :not(caption) > * > *, .effect-table td, .effect-table th { background: transparent !important; border: 0; }
.effect-table > thead > tr > th { background: transparent; border: 0; font-family: var(--ai-font-body); text-transform: none; letter-spacing: 0; font-size: .75rem; color: var(--ai-text-muted) !important; }

/* Stack table rows into cards on phones: add .ai-table-stack and data-label on cells. */
@media (max-width: 575.98px) {
    .ai-table-stack thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
    .ai-table-stack, .ai-table-stack tbody, .ai-table-stack tr, .ai-table-stack td, .ai-table-stack th { display: block; width: 100%; }
    .ai-table-stack tr { border: 1px solid var(--ai-border); background: var(--ai-panel); margin-bottom: .6rem; padding: .35rem .2rem; }
    .ai-table-stack td, .ai-table-stack tbody th { border: 0 !important; display: flex; justify-content: space-between; gap: 1rem; text-align: end !important; padding: .25rem .6rem !important; }
    .ai-table-stack td[data-label]::before, .ai-table-stack tbody th[data-label]::before { content: attr(data-label); text-align: start; font-family: var(--ai-font-display); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ai-text-muted); }
}

.list-group {
    --bs-list-group-bg: transparent;
    --bs-list-group-color: var(--ai-text-secondary);
    --bs-list-group-border-color: var(--ai-border-soft);
    --bs-list-group-border-radius: var(--ai-radius-1);
    --bs-list-group-action-hover-bg: rgba(var(--ai-violet-rgb), .08);
    --bs-list-group-action-hover-color: var(--ai-text);
    --bs-list-group-active-bg: rgba(var(--ai-violet-rgb), .25);
    --bs-list-group-active-border-color: var(--ai-violet-bright);
}
.list-group:not(.list-group-flush) { background: var(--ai-panel); }

/* =====================================================================================================
   Navigation primitives — pills, tabs, pagination, breadcrumbs, dropdowns
   ===================================================================================================== */
.nav-pills {
    --bs-nav-pills-border-radius: 0;
    --bs-nav-pills-link-active-bg: rgba(var(--ai-violet-rgb), .22);
    --bs-nav-pills-link-active-color: #fff;
    --bs-nav-link-color: var(--ai-text-muted);
    --bs-nav-link-hover-color: var(--ai-text);
    gap: .25rem;
    border-bottom: 1px solid var(--ai-border-soft);
}
.nav-pills .nav-link {
    font-family: var(--ai-font-display);
    font-size: .8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .1em;
    border: 1px solid transparent;
    border-bottom: 0;
    padding: .5rem .9rem;
    position: relative;
    transition: var(--ai-transition);
}
.nav-pills .nav-link:hover { background: rgba(var(--ai-violet-rgb), .08); }
.nav-pills .nav-link.active { border-color: rgba(var(--ai-violet-bright-rgb), .45); box-shadow: inset 0 -2px 0 var(--ai-violet-soft), 0 -6px 18px -8px rgba(var(--ai-violet-bright-rgb), .7); }
.nav-tabs { --bs-nav-tabs-border-color: var(--ai-border); --bs-nav-tabs-link-active-bg: var(--ai-panel); --bs-nav-tabs-link-active-color: var(--ai-text); --bs-nav-tabs-link-active-border-color: var(--ai-border) var(--ai-border) var(--ai-panel); --bs-nav-tabs-border-radius: 0; }
.nav-tabs .nav-link.active { box-shadow: inset 0 2px 0 var(--ai-violet-soft); }

.pagination {
    --bs-pagination-bg: var(--ai-panel);
    --bs-pagination-color: var(--ai-violet-soft);
    --bs-pagination-border-color: var(--ai-border);
    --bs-pagination-hover-bg: rgba(var(--ai-violet-rgb), .18);
    --bs-pagination-hover-color: #fff;
    --bs-pagination-hover-border-color: var(--ai-violet-bright);
    --bs-pagination-active-bg: var(--ai-violet);
    --bs-pagination-active-border-color: var(--ai-violet-bright);
    --bs-pagination-disabled-bg: var(--ai-panel-sunken);
    --bs-pagination-disabled-color: var(--ai-text-muted);
    --bs-pagination-disabled-border-color: var(--ai-border);
    --bs-pagination-border-radius: 0;
    --bs-pagination-focus-box-shadow: 0 0 0 .2rem rgba(var(--ai-violet-bright-rgb), .3);
}
.breadcrumb { --bs-breadcrumb-divider-color: var(--ai-violet); --bs-breadcrumb-item-active-color: var(--ai-text-muted); font-family: var(--ai-font-display); text-transform: uppercase; letter-spacing: .1em; font-size: .72rem; }
.breadcrumb a { text-decoration: none; }

.dropdown-menu {
    --bs-dropdown-bg: var(--ai-panel-elevated);
    --bs-dropdown-border-color: rgba(var(--ai-violet-bright-rgb), .45);
    --bs-dropdown-border-radius: 0;
    --bs-dropdown-link-color: var(--ai-text-secondary);
    --bs-dropdown-link-hover-color: #fff;
    --bs-dropdown-link-hover-bg: rgba(var(--ai-violet-rgb), .2);
    --bs-dropdown-link-active-bg: var(--ai-violet);
    --bs-dropdown-divider-bg: var(--ai-border);
    --bs-dropdown-header-color: var(--ai-text-muted);
    border-top: 2px solid var(--ai-violet-bright);
    box-shadow: 0 18px 40px -12px rgba(0, 0, 0, .8), var(--ai-glow);
    padding: .35rem;
}
.dropdown-item { padding: .45rem .8rem; transition: background-color .2s ease, color .2s ease; }
.dropdown-item .bi { color: var(--ai-violet-soft); width: 1.3rem; display: inline-block; }
.dropdown-item.active .bi, .dropdown-item:active .bi { color: #fff; }

/* =====================================================================================================
   Alerts, toasts, modals, accordions, tooltips
   ===================================================================================================== */
.alert {
    --bs-alert-border-radius: 0;
    --ai-alert-accent: var(--ai-violet-bright);
    border: 1px solid color-mix(in srgb, var(--ai-alert-accent) 40%, transparent);
    border-inline-start: 3px solid var(--ai-alert-accent);
    background: linear-gradient(90deg, color-mix(in srgb, var(--ai-alert-accent) 13%, transparent), color-mix(in srgb, var(--ai-alert-accent) 4%, transparent) 60%), var(--ai-panel);
    color: var(--ai-text-secondary);
}
.alert .bi:first-child { color: var(--ai-alert-accent); }
.alert a { color: var(--ai-text); font-weight: 600; }
.alert-primary { --ai-alert-accent: var(--ai-violet-soft); }
.alert-info { --ai-alert-accent: var(--ai-info); }
.alert-success { --ai-alert-accent: var(--ai-success); }
.alert-warning { --ai-alert-accent: var(--ai-warning); }
.alert-danger { --ai-alert-accent: var(--ai-danger); }
.alert-secondary, .alert-light, .alert-dark { --ai-alert-accent: var(--ai-text-muted); }

/* Toasts: sharp panel, coloured status edge, icon. */
.ai-toast {
    --ai-toast-accent: var(--ai-violet-soft);
    min-width: min(22rem, calc(100vw - 2rem));
    color: var(--ai-text);
    background: linear-gradient(90deg, color-mix(in srgb, var(--ai-toast-accent) 16%, transparent), transparent 55%), var(--ai-panel-elevated);
    border: 1px solid color-mix(in srgb, var(--ai-toast-accent) 45%, transparent);
    border-inline-start: 3px solid var(--ai-toast-accent);
    border-radius: 0;
    box-shadow: 0 18px 40px -14px rgba(0, 0, 0, .9), 0 0 24px color-mix(in srgb, var(--ai-toast-accent) 20%, transparent);
}
.ai-toast--success { --ai-toast-accent: var(--ai-success); }
.ai-toast--error { --ai-toast-accent: var(--ai-danger); }
.ai-toast__icon { display: inline-grid; place-items: center; width: 2rem; height: 2rem; flex: none; color: var(--ai-toast-accent); border: 1px solid color-mix(in srgb, var(--ai-toast-accent) 50%, transparent); transform: rotate(45deg); margin: .2rem .25rem 0 0; }
.ai-toast__icon > .bi { transform: rotate(-45deg); }
.ai-toast__title { font-family: var(--ai-font-display); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ai-toast-accent); }

.modal {
    --bs-modal-bg: var(--ai-panel);
    --bs-modal-border-color: var(--ai-border);
    --bs-modal-border-radius: 0;
    --bs-modal-inner-border-radius: 0;
    --bs-modal-header-border-color: var(--ai-border-soft);
    --bs-modal-footer-border-color: var(--ai-border-soft);
    --bs-modal-box-shadow: 0 30px 80px -20px rgba(0, 0, 0, .9);
}
.modal-content {
    border-top: 2px solid var(--ai-violet-bright);
    background: radial-gradient(80% 60% at 100% 0%, rgba(var(--ai-violet-rgb), .16), transparent 65%), var(--ai-panel);
    box-shadow: var(--bs-modal-box-shadow), var(--ai-glow-strong);
    clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}
.modal-title { text-transform: uppercase; letter-spacing: .1em; }
.modal-backdrop { --bs-backdrop-bg: #05030b; --bs-backdrop-opacity: .72; }
.modal-backdrop.show { backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.offcanvas { --bs-offcanvas-bg: var(--ai-panel); --bs-offcanvas-border-color: var(--ai-border); }

.accordion {
    --bs-accordion-bg: var(--ai-panel);
    --bs-accordion-color: var(--ai-text-secondary);
    --bs-accordion-border-color: var(--ai-border);
    --bs-accordion-border-radius: 0;
    --bs-accordion-inner-border-radius: 0;
    --bs-accordion-btn-color: var(--ai-text);
    --bs-accordion-btn-bg: var(--ai-panel);
    --bs-accordion-active-color: var(--ai-violet-pale);
    --bs-accordion-active-bg: rgba(var(--ai-violet-rgb), .14);
    --bs-accordion-btn-focus-box-shadow: inset 0 0 0 1px var(--ai-violet-soft);
}
.accordion-button { font-weight: 600; }
.accordion-button:not(.collapsed) { box-shadow: inset 3px 0 0 var(--ai-violet-soft); }

.tooltip { --bs-tooltip-bg: var(--ai-panel-elevated); --bs-tooltip-color: var(--ai-text); --bs-tooltip-border-radius: 0; --bs-tooltip-opacity: 1; }
.tooltip-inner { border: 1px solid var(--ai-border-strong); }
.popover { --bs-popover-bg: var(--ai-panel-elevated); --bs-popover-border-color: var(--ai-border-strong); --bs-popover-border-radius: 0; }

.spinner-border { --bs-spinner-border-width: .15em; }
.border { border-color: var(--ai-border) !important; }
.rounded, .rounded-1, .rounded-2, .rounded-3, .rounded-4, .rounded-5, .rounded-pill { border-radius: var(--ai-radius-1) !important; }
.bg-body-tertiary { background-color: var(--ai-panel-elevated) !important; }
.shadow, .shadow-sm, .shadow-lg { box-shadow: var(--ai-shadow) !important; }

/* =====================================================================================================
   Empty states & loading states
   ===================================================================================================== */
.empty-state { text-align: center; color: var(--ai-text-muted); padding: 2rem 1rem; }
.empty-state > .bi { font-size: 1.9rem; display: block; margin: 0 auto .6rem; color: var(--ai-violet-soft); opacity: .8; filter: drop-shadow(0 0 10px rgba(var(--ai-violet-bright-rgb), .5)); }

.ai-empty {
    display: grid;
    justify-items: center;
    gap: .55rem;
    text-align: center;
    padding: 2rem 1.25rem 2.25rem;
    color: var(--ai-text-muted);
    background: radial-gradient(60% 70% at 50% 30%, rgba(var(--ai-violet-rgb), .12), transparent 70%);
}
.ai-empty__art { width: 7.5rem; height: auto; margin-bottom: .25rem; opacity: .95; }
.ai-empty__title { font-family: var(--ai-font-display); font-size: 1.05rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--ai-text); margin: 0; }
.ai-empty__text { max-width: 34rem; margin: 0; }

.ai-loader { display: inline-flex; align-items: center; gap: .6rem; color: var(--ai-text-muted); font-family: var(--ai-font-display); text-transform: uppercase; letter-spacing: .14em; font-size: .75rem; }
.ai-scanbar { position: relative; display: block; width: 8rem; height: 2px; background: var(--ai-border); overflow: hidden; }
.ai-scanbar::after { content: ""; position: absolute; inset: 0 auto 0 0; width: 35%; background: linear-gradient(90deg, transparent, var(--ai-violet-soft), transparent); animation: ai-scan 1.3s linear infinite; }

/* Decorative SVG never captures input. */
.ai-art, img.ai-art, .ai-hero__art, .ai-bg-layer, .ai-empty__art { pointer-events: none; user-select: none; }