/* ═══════════════════════════════════════════════════════════════════
   PianetiDC · Modern UI Layer (pianeti-modern.css)
   Global tokens, focus states, motion primitives, a11y overrides.
   Loaded on every template — non-intrusive; opt-in utilities.
   ═══════════════════════════════════════════════════════════════════ */

:root {
    /* Brand palette (Arajet) */
    --pm-purple: #7C54A4;
    --pm-purple-deep: #492B69;
    --pm-orange: #F4911F;
    --pm-teal: #5CCBDC;
    --pm-green: #94CB7C;
    --pm-pink: #E85C95;
    --pm-lavender: #B8A9D4;

    /* Surfaces */
    --pm-bg: #0D0620;
    --pm-surface: #150A2E;
    --pm-surface-2: #1E1040;
    --pm-surface-3: #261550;

    /* Semantic */
    --pm-fg: #F1EDFA;
    --pm-fg-muted: #B8A9D4;
    --pm-fg-subtle: #8A7BAA;
    --pm-border: rgba(124, 84, 164, 0.18);
    --pm-border-strong: rgba(124, 84, 164, 0.35);
    --pm-accent: var(--pm-orange);
    --pm-danger: var(--pm-pink);
    --pm-success: var(--pm-green);
    --pm-warning: #FFB93D;

    /* Motion */
    --pm-ease: cubic-bezier(0.16, 1, 0.3, 1);
    --pm-ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --pm-dur-fast: 160ms;
    --pm-dur: 240ms;
    --pm-dur-slow: 420ms;

    /* Radius / shadow */
    --pm-r-sm: 8px;
    --pm-r: 14px;
    --pm-r-lg: 20px;
    --pm-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
    --pm-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
    --pm-shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.6);
    --pm-shadow-accent: 0 12px 40px rgba(244, 145, 31, 0.25);

    /* Layering */
    --pm-z-skip: 200;
    --pm-z-toast: 150;
    --pm-z-modal: 100;
    --pm-z-nav: 50;
}

/* ── Global focus ring (keyboard only) ────────────────────────────── */
:focus:not(:focus-visible) { outline: none; }
:focus-visible {
    outline: 2px solid var(--pm-accent);
    outline-offset: 2px;
    border-radius: 6px;
}

/* ── Skip-link ────────────────────────────────────────────────────── */
.pm-skip {
    position: fixed;
    left: 12px; top: 12px;
    padding: 10px 14px;
    background: var(--pm-surface-2);
    color: #fff;
    font: 600 12px/1 'JetBrains Mono', ui-monospace, monospace;
    border: 1px solid var(--pm-border-strong);
    border-radius: var(--pm-r-sm);
    z-index: var(--pm-z-skip);
    transform: translateY(-200%);
    transition: transform var(--pm-dur) var(--pm-ease);
    text-decoration: none;
}
.pm-skip:focus, .pm-skip:focus-visible { transform: translateY(0); }

/* ── Typography floor: no body text under 12px (a11y P6) ───────────
   Tailwind arbitrary text-[9px]/[10px]/[11px] classes render as
   .text-\[9px\]{font-size:9px}. Override to 12px minimum, which the
   old templates cannot break without a larger refactor. */
.text-\[9px\], .text-\[10px\], .text-\[11px\] {
    font-size: 12px !important;
    letter-spacing: 0.14em;
}
.text-\[8px\], .text-\[7px\], .text-\[6px\] {
    font-size: 11px !important;
    letter-spacing: 0.14em;
}

/* Base body readability (does not fight existing rules; only sets defaults) */
html { -webkit-text-size-adjust: 100%; }
body { line-height: 1.55; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }

/* ── Selection ────────────────────────────────────────────────────── */
::selection { background: rgba(244, 145, 31, 0.35); color: #fff; }

/* ── Scrollbar (dark, thin) ───────────────────────────────────────── */
* { scrollbar-width: thin; scrollbar-color: rgba(124, 84, 164, 0.45) transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(124, 84, 164, 0.55), rgba(73, 43, 105, 0.55));
    border-radius: 10px;
    border: 2px solid transparent;
    background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background-color: rgba(244, 145, 31, 0.55); }

/* ── Glass card utility ───────────────────────────────────────────── */
.pm-glass {
    background: rgba(21, 10, 46, 0.72);
    backdrop-filter: blur(24px) saturate(140%);
    -webkit-backdrop-filter: blur(24px) saturate(140%);
    border: 1px solid var(--pm-border);
    border-radius: var(--pm-r-lg);
    box-shadow: var(--pm-shadow);
}
.pm-glass-strong {
    background: rgba(13, 6, 32, 0.9);
    backdrop-filter: blur(40px) saturate(160%);
    -webkit-backdrop-filter: blur(40px) saturate(160%);
    border: 1px solid var(--pm-border-strong);
    border-radius: var(--pm-r-lg);
    box-shadow: var(--pm-shadow-lg);
}

/* ── Card / hover-lift ────────────────────────────────────────────── */
.pm-card {
    background: rgba(21, 10, 46, 0.6);
    border: 1px solid var(--pm-border);
    border-radius: var(--pm-r);
    transition:
        transform var(--pm-dur) var(--pm-ease),
        box-shadow var(--pm-dur) var(--pm-ease),
        border-color var(--pm-dur) var(--pm-ease);
    will-change: transform;
}
.pm-hover-lift { transition: transform var(--pm-dur) var(--pm-ease), box-shadow var(--pm-dur) var(--pm-ease); }
.pm-hover-lift:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--pm-border-strong);
}

/* ── Buttons ──────────────────────────────────────────────────────── */
.pm-btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 8px;
    padding: 12px 18px;
    min-height: 44px;
    font: 700 12px/1 'JetBrains Mono', ui-monospace, monospace;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #fff;
    background: linear-gradient(135deg, var(--pm-purple-deep), var(--pm-purple));
    border: 1px solid rgba(124, 84, 164, 0.4);
    border-radius: var(--pm-r);
    cursor: pointer;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    transition:
        transform var(--pm-dur-fast) var(--pm-ease),
        box-shadow var(--pm-dur) var(--pm-ease),
        filter var(--pm-dur-fast) var(--pm-ease);
}
.pm-btn::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, var(--pm-purple), var(--pm-orange));
    opacity: 0;
    transition: opacity var(--pm-dur) var(--pm-ease);
    z-index: -1;
}
.pm-btn:hover { transform: translateY(-1px); box-shadow: var(--pm-shadow-accent); }
.pm-btn:hover::before { opacity: 1; }
.pm-btn:active { transform: translateY(0) scale(0.98); }
.pm-btn:disabled { cursor: wait; opacity: 0.7; transform: none; filter: grayscale(0.2); }

.pm-btn-ghost {
    background: transparent;
    color: var(--pm-fg-muted);
    border: 1px solid var(--pm-border);
}
.pm-btn-ghost::before { display: none; }
.pm-btn-ghost:hover {
    color: #fff;
    background: rgba(124, 84, 164, 0.12);
    border-color: var(--pm-border-strong);
}

.pm-btn-danger {
    background: linear-gradient(135deg, #B33A6F, var(--pm-pink));
    border-color: rgba(232, 92, 149, 0.4);
}

/* ── Ripple (added by JS on [data-ripple]) ───────────────────────── */
.pm-ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
    transform: scale(0);
    animation: pm-ripple 550ms var(--pm-ease-out) forwards;
    pointer-events: none;
    mix-blend-mode: overlay;
}
@keyframes pm-ripple {
    to { transform: scale(3.5); opacity: 0; }
}

/* ── Scroll-reveal primitives ─────────────────────────────────────── */
[data-reveal] {
    opacity: 0;
    transform: translateY(24px);
    transition:
        opacity var(--pm-dur-slow) var(--pm-ease),
        transform var(--pm-dur-slow) var(--pm-ease);
    will-change: opacity, transform;
}
[data-reveal].is-revealed {
    opacity: 1;
    transform: translateY(0);
}
[data-reveal="fade"] { transform: none; }
[data-reveal="zoom"] { transform: scale(0.94); }
[data-reveal="zoom"].is-revealed { transform: scale(1); }
[data-reveal="slide-left"] { transform: translateX(-24px); }
[data-reveal="slide-left"].is-revealed { transform: translateX(0); }
[data-reveal="slide-right"] { transform: translateX(24px); }
[data-reveal="slide-right"].is-revealed { transform: translateX(0); }

/* Stagger container: children reveal in sequence */
[data-reveal-stagger] > * {
    opacity: 0;
    transform: translateY(16px) scale(0.97);
    transition:
        opacity var(--pm-dur-slow) var(--pm-ease),
        transform var(--pm-dur-slow) var(--pm-ease);
}
[data-reveal-stagger].is-revealed > * {
    opacity: 1;
    transform: translateY(0) scale(1);
}
[data-reveal-stagger].is-revealed > *:nth-child(1)  { transition-delay: 40ms; }
[data-reveal-stagger].is-revealed > *:nth-child(2)  { transition-delay: 100ms; }
[data-reveal-stagger].is-revealed > *:nth-child(3)  { transition-delay: 160ms; }
[data-reveal-stagger].is-revealed > *:nth-child(4)  { transition-delay: 220ms; }
[data-reveal-stagger].is-revealed > *:nth-child(5)  { transition-delay: 280ms; }
[data-reveal-stagger].is-revealed > *:nth-child(6)  { transition-delay: 340ms; }
[data-reveal-stagger].is-revealed > *:nth-child(7)  { transition-delay: 400ms; }
[data-reveal-stagger].is-revealed > *:nth-child(8)  { transition-delay: 460ms; }
[data-reveal-stagger].is-revealed > *:nth-child(n+9) { transition-delay: 520ms; }

/* ── Sticky-header shadow (toggled by JS via .pm-scrolled) ───────── */
[data-sticky] {
    transition: box-shadow var(--pm-dur) var(--pm-ease), background var(--pm-dur) var(--pm-ease);
}
[data-sticky].pm-scrolled {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
    background: rgba(13, 6, 32, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

/* ── Skeleton loader ──────────────────────────────────────────────── */
.pm-skeleton {
    background: linear-gradient(
        90deg,
        rgba(124, 84, 164, 0.08) 0%,
        rgba(124, 84, 164, 0.2) 50%,
        rgba(124, 84, 164, 0.08) 100%
    );
    background-size: 200% 100%;
    animation: pm-shimmer 1.4s ease-in-out infinite;
    border-radius: var(--pm-r-sm);
}
@keyframes pm-shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ── Toast container (used by JS) ─────────────────────────────────── */
.pm-toast-host {
    position: fixed;
    bottom: 24px; right: 24px;
    z-index: var(--pm-z-toast);
    display: flex; flex-direction: column; gap: 10px;
    pointer-events: none;
    max-width: min(360px, calc(100vw - 32px));
}
.pm-toast {
    pointer-events: auto;
    padding: 12px 14px;
    border-radius: var(--pm-r);
    background: rgba(13, 6, 32, 0.95);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--pm-border-strong);
    color: var(--pm-fg);
    font: 500 13px/1.4 'Inter', system-ui, sans-serif;
    box-shadow: var(--pm-shadow);
    display: flex; gap: 10px; align-items: flex-start;
    animation: pm-toast-in var(--pm-dur) var(--pm-ease);
}
.pm-toast[data-type="success"] { border-color: rgba(148, 203, 124, 0.5); }
.pm-toast[data-type="error"]   { border-color: rgba(232, 92, 149, 0.5); }
.pm-toast[data-type="warn"]    { border-color: rgba(255, 185, 61, 0.5); }
.pm-toast.is-leaving { animation: pm-toast-out var(--pm-dur) var(--pm-ease) forwards; }
@keyframes pm-toast-in {
    from { opacity: 0; transform: translateY(12px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes pm-toast-out {
    to { opacity: 0; transform: translateY(8px) scale(0.98); }
}

/* ── Loading spinner (utility) ────────────────────────────────────── */
.pm-spinner {
    display: inline-block;
    width: 16px; height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.22);
    border-top-color: #fff;
    border-radius: 50%;
    animation: pm-spin 0.75s linear infinite;
}
@keyframes pm-spin { to { transform: rotate(360deg); } }

/* ── Ambient page-load fade ───────────────────────────────────────── */
html:not(.pm-loaded) body { opacity: 0; }
html.pm-loaded body {
    opacity: 1;
    transition: opacity 380ms var(--pm-ease);
}

/* ── Reduced motion: kill non-essential animations ───────────────── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    [data-reveal], [data-reveal-stagger] > * {
        opacity: 1 !important;
        transform: none !important;
    }
    html:not(.pm-loaded) body { opacity: 1; }
}