/* Stalkineitor 2.0 — design system
 * Pegada: engineering tool / lab notebook.
 * Densidade alta, mono-forward, sem glassmorphism, sem gradientes blob.
 */

:root {
    --bg: #0b0f1a;
    --bg-grid: rgba(148, 163, 184, 0.045);
    --surface: #0f1626;
    --surface-2: #131b2e;
    --surface-3: #1a2236;
    --border: #1f2a44;
    --border-strong: #2b3a5c;
    --text: #e6ebf5;
    --text-muted: #94a3b8;
    --text-faint: #64748b;
    --accent: #818cf8;          /* indigo-400 — mantém identidade */
    --accent-strong: #6366f1;   /* indigo-500 */
    --accent-edge: #4f46e5;     /* indigo-600 */
    --accent-soft: rgba(99, 102, 241, 0.12);
    --success: #34d399;
    --warning: #f59e0b;
    --danger: #fb7185;
    --info: #38bdf8;
    --ring: 0 0 0 2px rgba(129, 140, 248, 0.55);
    --radius: 6px;
    --radius-lg: 10px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11', 'ss01';
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: 0;
}

/* Grid sutil de fundo — blueprint vibe.
   Pequeno dot-grid 24px, mal aparece, dá textura sem "AI gradient blob". */
.app-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background-color: var(--bg);
    background-image:
        radial-gradient(var(--bg-grid) 1px, transparent 1px);
    background-size: 24px 24px;
    background-position: 0 0;
}
.app-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(11, 15, 26, 0.0) 0%, rgba(11, 15, 26, 0.65) 80%, var(--bg) 100%);
}

/* Tipografia auxiliar */
.font-mono,
.num,
.code-text {
    font-family: 'JetBrains Mono', 'Fira Code', ui-monospace, SFMono-Regular, Menlo, monospace;
    font-variant-numeric: tabular-nums;
    font-feature-settings: 'tnum', 'zero', 'ss01';
}

/* Section eyebrow — pequena label técnica, caps + tracking */
.eyebrow {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--text-faint);
    font-weight: 500;
}

/* Foco acessível e consistente */
:where(a, button, [role="button"], input, select, textarea, summary):focus-visible {
    outline: none;
    box-shadow: var(--ring);
    border-radius: var(--radius);
}

/* Scrollbar discreta */
* {
    scrollbar-width: thin;
    scrollbar-color: #2b3a5c transparent;
}
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-thumb {
    background: #2b3a5c;
    border-radius: 0;
}
*::-webkit-scrollbar-thumb:hover { background: #3b4d75; }

/* Seleção com cor accent */
::selection {
    background: rgba(99, 102, 241, 0.45);
    color: #fff;
}

/* ==========================================================================
   Componentes — engineering / dashboard density
   ========================================================================== */

.card {
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--surface);
    transition: border-color .15s ease;
}
.card-hover:hover { border-color: var(--border-strong); }

/* Card "destacado" — fina linha de accent na borda esquerda
   (motif de bloco de código / seção marcada). */
.card-accent {
    border-left: 2px solid var(--accent-strong);
}

/* Headline com underline pontilhada — vibe blueprint */
.section-title {
    display: flex;
    align-items: baseline;
    gap: .75rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0;
}
.section-title::after {
    content: "";
    flex: 1;
    height: 1px;
    background-image: linear-gradient(90deg, var(--border) 50%, transparent 50%);
    background-size: 6px 1px;
    background-repeat: repeat-x;
    margin-left: .5rem;
}

/* Botões — sem gradiente, accent sólido */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .5rem .9rem;
    font-size: .82rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: 1px solid var(--border-strong);
    background: var(--surface-2);
    color: var(--text);
    transition: background .12s ease, border-color .12s ease, color .12s ease;
    cursor: pointer;
    line-height: 1.1;
}
.btn:hover { background: var(--surface-3); border-color: #3a4b73; }
.btn:active { background: #1d2742; }
.btn[disabled], .btn:disabled { opacity: .5; cursor: not-allowed; }

.btn-primary {
    background: var(--accent-strong);
    border-color: var(--accent-edge);
    color: #fff;
}
.btn-primary:hover { background: #5b5fe0; border-color: var(--accent-edge); }
.btn-primary:active { background: var(--accent-edge); }

.btn-ghost {
    background: transparent;
    border-color: var(--border);
    color: var(--text-muted);
}
.btn-ghost:hover { background: var(--surface-2); color: var(--text); border-color: var(--border-strong); }

.btn-danger  { border-color: rgba(251, 113, 133, .55); background: rgba(251, 113, 133, .1);  color: #fecdd3; }
.btn-danger:hover  { background: rgba(251, 113, 133, .18); }
.btn-success { border-color: rgba(52, 211, 153, .55);  background: rgba(52, 211, 153, .1);   color: #a7f3d0; }
.btn-success:hover { background: rgba(52, 211, 153, .18); }

.btn-sm { padding: .3rem .65rem; font-size: .72rem; }

/* Inputs */
.input {
    width: 100%;
    padding: .55rem .75rem;
    font-size: .85rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-strong);
    background: var(--bg);
    color: var(--text);
    transition: border-color .12s ease, background .12s ease;
    font-family: inherit;
}
.input::placeholder { color: var(--text-faint); }
.input:hover { border-color: #3a4b73; }
.input:focus { border-color: var(--accent); background: #060912; box-shadow: 0 0 0 1px rgba(129,140,248,.25); }

.label {
    display: block;
    font-size: .7rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: .35rem;
    letter-spacing: 0;
}

/* Badges — square-ish, técnico, sem pílulas exageradas */
.badge {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .15rem .5rem;
    font-size: .7rem;
    font-weight: 600;
    border-radius: 4px;
    border: 1px solid var(--border-strong);
    background: var(--surface-2);
    color: var(--text-muted);
    line-height: 1.4;
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    letter-spacing: 0.02em;
}
.badge-success { border-color: rgba(52, 211, 153, .45); background: rgba(52, 211, 153, .1);  color: #a7f3d0; }
.badge-warning { border-color: rgba(245, 158, 11, .45); background: rgba(245, 158, 11, .1);  color: #fcd34d; }
.badge-danger  { border-color: rgba(251, 113, 133, .45); background: rgba(251, 113, 133, .1); color: #fecdd3; }
.badge-info    { border-color: rgba(56, 189, 248, .45); background: rgba(56, 189, 248, .1);  color: #bae6fd; }
.badge-accent  { border-color: rgba(129, 140, 248, .45); background: rgba(129, 140, 248, .1); color: #c7d2fe; }

.badge-dot::before {
    content: "";
    display: inline-block;
    width: .4rem; height: .4rem;
    border-radius: 999px;
    background: currentColor;
}

/* "kbd" / chip de tecla — para hints de atalhos */
.kbd {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: .7rem;
    padding: .1rem .4rem;
    border: 1px solid var(--border-strong);
    border-bottom-width: 2px;
    border-radius: 4px;
    color: var(--text-muted);
    background: var(--surface-2);
}

/* Divisor ponilhado (blueprint) */
.divider-dotted {
    height: 1px;
    border: 0;
    background-image: linear-gradient(90deg, var(--border-strong) 50%, transparent 50%);
    background-size: 6px 1px;
    background-repeat: repeat-x;
}

/* ==========================================================================
   Nav — active state com identidade
   Linha sólida abaixo do link ativo, em vez de "pílula com glow"
   ========================================================================== */
.nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .5rem .85rem;
    font-size: .82rem;
    font-weight: 500;
    color: var(--text-muted);
    border-radius: var(--radius);
    transition: color .12s ease, background .12s ease;
}
.nav-link:hover { color: var(--text); background: var(--surface-2); }
.nav-link.is-active {
    color: var(--text);
    background: var(--surface-2);
}
.nav-link.is-active::after {
    content: "";
    position: absolute;
    left: .85rem;
    right: .85rem;
    bottom: -1px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px 2px 0 0;
}

/* ==========================================================================
   HTMX progress bar (topo da viewport) — fina linha accent, sem rainbow
   ========================================================================== */
#htmx-progress {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 2px;
    z-index: 100;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: 0 0;
    transition: transform .25s ease, opacity .2s ease;
    opacity: 0;
    pointer-events: none;
}
.htmx-loading #htmx-progress {
    opacity: 1;
    transform: scaleX(0.7);
    animation: htmxBar 1.2s ease-in-out infinite;
}
@keyframes htmxBar {
    0%, 100% { transform: scaleX(0.05); transform-origin: 0 0; }
    50%      { transform: scaleX(1);    transform-origin: 0 0; }
    50.1%    {                         transform-origin: 100% 0; }
    100.1%   { transform: scaleX(0.05); transform-origin: 100% 0; }
}

/* HTMX spinner inline (usar com hx-indicator) */
.htmx-spinner {
    display: none;
    animation: spin .65s linear infinite;
}
.htmx-spinner:not(svg) {
    width: 0.95rem; height: 0.95rem;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 999px;
}
.htmx-spinner:not(.hidden) { display: inline-block; }
.htmx-request > .htmx-spinner,
.htmx-spinner.htmx-indicator.htmx-request { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ==========================================================================
   Toasts (HX-Trigger: showToast)
   ========================================================================== */
#toast-root {
    position: fixed;
    top: 0.75rem; right: 0.75rem;
    z-index: 200;
    display: flex; flex-direction: column; gap: .5rem;
    pointer-events: none;
}
.toast {
    pointer-events: auto;
    min-width: 16rem; max-width: 22rem;
    padding: .65rem .8rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-strong);
    border-left-width: 3px;
    background: var(--surface);
    color: var(--text);
    display: flex; align-items: flex-start; gap: .6rem;
    font-size: .82rem; line-height: 1.4;
    animation: toastIn .2s ease both;
}
.toast.toast-out { animation: toastOut .2s ease forwards; }
.toast-success { border-left-color: var(--success); }
.toast-warning { border-left-color: var(--warning); }
.toast-danger  { border-left-color: var(--danger); }
.toast-info    { border-left-color: var(--info); }
.toast-icon { flex: none; width: 1rem; height: 1rem; margin-top: .15rem; }
.toast-success .toast-icon { color: var(--success); }
.toast-warning .toast-icon { color: var(--warning); }
.toast-danger  .toast-icon { color: var(--danger); }
.toast-info    .toast-icon { color: var(--info); }
.toast-close {
    flex: none; margin-left: auto;
    color: var(--text-faint);
    background: transparent; border: 0;
    cursor: pointer; padding: .1rem;
    border-radius: 4px;
}
.toast-close:hover { color: var(--text); background: var(--surface-2); }
@keyframes toastIn  { from { transform: translateY(-6px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes toastOut { to   { transform: translateY(-6px); opacity: 0; } }

/* ==========================================================================
   Stat block — número grande mono-forward, label discreta
   ========================================================================== */
.stat {
    padding: 1rem 1.1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
    display: flex; flex-direction: column; gap: .35rem;
    position: relative;
}
.stat .stat-label {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: .65rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-faint);
    font-weight: 500;
}
.stat .stat-value {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 1.85rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.05;
    letter-spacing: 0;
    font-variant-numeric: tabular-nums;
}
.stat .stat-hint {
    font-size: .7rem;
    color: var(--text-faint);
}
.stat[data-tone="accent"]  .stat-value { color: var(--accent); }
.stat[data-tone="success"] .stat-value { color: var(--success); }
.stat[data-tone="warning"] .stat-value { color: var(--warning); }
.stat[data-tone="info"]    .stat-value { color: var(--info); }

/* ==========================================================================
   Micro-anim
   ========================================================================== */
.fade-in { animation: fadeIn .2s ease both; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
        scroll-behavior: auto !important;
    }
}