/* --- ERP INCOEP · LOGIN — Vidrio técnico tematizable --- */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@600;700&family=Plus+Jakarta+Sans:wght@300;400;600;800&family=JetBrains+Mono:wght@400;700&display=swap');

:root {
    --font-display: 'Space Grotesk', sans-serif;
    --font-sans: 'Plus Jakarta Sans', sans-serif;
    --font-mono: 'JetBrains Mono', 'Space Mono', monospace;

    --ease-out: cubic-bezier(.16,1,.3,1);
    --ease-bounce: cubic-bezier(.34,1.56,.64,1);
    --dur-hover: .18s;
    --dur-layout: .32s;
    --dur-large: .55s;

    --radius-sm: 11px;
    --radius-lg: 22px;

    /* --- MODO CLARO --- */
    --bg-body: #EDF0F6;
    --glass-blur: 18px;
    --glass-saturate: 170%;
    --glass-soft: rgba(255,255,255,.10);
    --glass: rgba(255,255,255,.64);
    --glass-strong: rgba(255,255,255,.85);
    --hairline: rgba(16,22,35,.09);
    --text-1: rgba(10,14,23,.92);
    --text-2: rgba(10,14,23,.64);
    --text-3: rgba(10,14,23,.42);
    --text-4: rgba(10,14,23,.24);
    --shadow-tight: 0 1px 2px rgba(16,22,35,.07), 0 1px 1px rgba(16,22,35,.05);
    --shadow-diffuse: 0 30px 70px -18px rgba(16,22,35,.22);
    --grid-line: rgba(16,22,35,.055);
    --accent-ink: #ffffff;
}

[data-bs-theme="dark"] {
    --bg-body: #070A11;
    --glass-blur: 22px;
    --glass-saturate: 180%;
    --glass-soft: rgba(18,24,38,.24);
    --glass: rgba(18,24,38,.66);
    --glass-strong: rgba(18,24,38,.86);
    --hairline: rgba(255,255,255,.09);
    --text-1: rgba(255,255,255,.94);
    --text-2: rgba(255,255,255,.66);
    --text-3: rgba(255,255,255,.44);
    --text-4: rgba(255,255,255,.24);
    --shadow-tight: 0 1px 2px rgba(0,0,0,.55), 0 1px 1px rgba(0,0,0,.4);
    --shadow-diffuse: 0 40px 90px -18px rgba(0,0,0,.75);
    --grid-line: rgba(255,255,255,.05);
    --accent-ink: #0B0F1A;
}

[data-theme="red"]    { --accent: #E11D2E; --accent-2: #FF6B6B; }
[data-theme="blue"]   { --accent: #2563EB; --accent-2: #38BDF8; }
[data-theme="green"]  { --accent: #059669; --accent-2: #34D399; }
[data-theme="violet"] { --accent: #7C3AED; --accent-2: #C084FC; }
[data-theme="amber"]  { --accent: #EA580C; --accent-2: #FBBF24; }
[data-theme="cyan"]   { --accent: #0891B2; --accent-2: #22D3EE; }

[data-bs-theme="dark"][data-theme="red"]    { --accent: #FF4D5E; --accent-2: #FF8A8A; }
[data-bs-theme="dark"][data-theme="blue"]   { --accent: #5B9CFF; --accent-2: #67E8F9; }
[data-bs-theme="dark"][data-theme="green"]  { --accent: #34D399; --accent-2: #6EE7B7; }
[data-bs-theme="dark"][data-theme="violet"] { --accent: #A78BFA; --accent-2: #E0AAFF; }
[data-bs-theme="dark"][data-theme="amber"]  { --accent: #FB923C; --accent-2: #FCD34D; }
[data-bs-theme="dark"][data-theme="cyan"]   { --accent: #22D3EE; --accent-2: #67E8F9; }

:root, [data-bs-theme] {
    --accent-gradient: linear-gradient(115deg, var(--accent), var(--accent-2));
    --accent-shadow: color-mix(in srgb, var(--accent) 35%, transparent);
    --accent-outline-bg: color-mix(in srgb, var(--accent) 7%, transparent);
}

* { box-sizing: border-box; }

body {
    font-family: var(--font-sans);
    letter-spacing: -0.011em;
    background: var(--bg-body);
    color: var(--text-1);
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
    transition: background-color var(--dur-large) var(--ease-out), color var(--dur-large) var(--ease-out);
}

/* ==========================================================================
   ESCENA DE FONDO (retícula + halos) — igual que el resto del sistema
   ========================================================================== */
.bg-scene { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.bg-grid {
    position: absolute; inset: -10%;
    background-image:
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 42px 42px;
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 0%, transparent 72%);
    mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 0%, transparent 72%);
}
.bg-halo { position: absolute; width: 46vw; height: 46vw; border-radius: 50%; background: radial-gradient(circle, var(--accent) 0%, transparent 70%); opacity: .16; filter: blur(70px); animation: halo-float 26s ease-in-out infinite; }
[data-bs-theme="dark"] .bg-halo { opacity: .24; }
.bg-halo-1 { top: -14%; left: -10%; }
.bg-halo-2 { bottom: -18%; right: -12%; background: radial-gradient(circle, var(--accent-2) 0%, transparent 70%); animation-duration: 32s; animation-delay: -8s; }
@keyframes halo-float { 0%, 100% { transform: translate(0,0) scale(1); } 50% { transform: translate(4%, 6%) scale(1.08); } }

/* ==========================================================================
   ESTRUCTURA SPLIT-SCREEN
   ========================================================================== */
.auth-shell { position: relative; z-index: 1; display: flex; min-height: 100vh; animation: page-fade var(--dur-large) var(--ease-out) both; }
@keyframes page-fade { from { opacity: 0; } to { opacity: 1; } }

.theme-toggle-btn {
    position: fixed; top: 20px; right: 20px; z-index: 50;
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--glass-strong);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    border: 1px solid var(--hairline);
    color: var(--text-1);
    cursor: pointer;
    transition: transform var(--dur-hover) var(--ease-bounce), box-shadow var(--dur-hover) var(--ease-out);
}
.theme-toggle-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-tight), 0 14px 28px -8px var(--accent-shadow); }

.accent-picker-login { position: fixed; top: 20px; right: 76px; z-index: 50; }
.accent-popover {
    position: absolute; top: calc(100% + 10px); right: 0;
    display: flex; gap: 9px; padding: 11px;
    background: var(--glass-strong);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    border: 1px solid var(--hairline); border-radius: var(--radius-sm);
    box-shadow: var(--shadow-tight), var(--shadow-diffuse);
    opacity: 0; pointer-events: none; transform: translateY(-6px);
    transition: opacity var(--dur-hover) var(--ease-out), transform var(--dur-hover) var(--ease-out);
}
.accent-popover.open { opacity: 1; pointer-events: auto; transform: translateY(0); }
.accent-swatch { width: 24px; height: 24px; border-radius: 50%; border: 2px solid transparent; cursor: pointer; padding: 0; transition: transform var(--dur-hover) var(--ease-bounce), border-color var(--dur-hover) var(--ease-out); }
.accent-swatch:hover { transform: scale(1.18); }
.accent-swatch.active { border-color: var(--text-1); }
.swatch-red    { background: linear-gradient(115deg,#E11D2E,#FF6B6B); }
.swatch-blue   { background: linear-gradient(115deg,#2563EB,#38BDF8); }
.swatch-green  { background: linear-gradient(115deg,#059669,#34D399); }
.swatch-violet { background: linear-gradient(115deg,#7C3AED,#C084FC); }
.swatch-amber  { background: linear-gradient(115deg,#EA580C,#FBBF24); }
.swatch-cyan   { background: linear-gradient(115deg,#0891B2,#22D3EE); }

/* ---- Panel izquierdo: hero de marca (siempre oscuro, identidad fija) ---- */
.auth-hero {
    position: relative;
    z-index: 1;
    flex: 1.15;
    display: flex; align-items: center; justify-content: center;
    background: radial-gradient(circle at 20% 20%, #16213f, #060a14 65%);
    overflow: hidden;
    padding: 3rem;
}
@media (max-width: 991.98px) { .auth-hero { display: none; } }

.auth-hero canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .55; }

.hero-content { position: relative; z-index: 5; max-width: 480px; color: #f8fafc; }

.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--font-mono);
    font-size: .7rem; letter-spacing: .16em; text-transform: uppercase;
    color: var(--accent-2);
    background: color-mix(in srgb, var(--accent) 14%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
    border-radius: 999px;
    padding: 6px 14px;
    margin-bottom: 1.75rem;
}
.hero-badge .dot-live { width: 6px; height: 6px; border-radius: 50%; background: #34d399; box-shadow: 0 0 8px #34d399; animation: pulse-dot 1.6s infinite; }

.hero-content h1 { font-family: var(--font-display); font-size: 2.75rem; font-weight: 700; line-height: 1.1; letter-spacing: -0.028em; margin-bottom: 1.1rem; }
.hero-content h1 .accent { color: var(--accent); }
.hero-content h1 .accent-2 { color: var(--accent-2); }

.hero-content > p { color: rgba(248, 250, 252, 0.6); font-size: 1rem; line-height: 1.6; margin-bottom: 2.5rem; }

.hero-stats { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-stat { font-family: var(--font-mono); background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-sm); padding: .85rem 1.1rem; min-width: 108px; }
.hero-stat-value { display: block; font-size: 1.2rem; font-weight: 700; color: #fff; font-variant-numeric: tabular-nums; }
.hero-stat-label { display: block; font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,0.45); margin-top: 2px; }

/* ---- Panel derecho: tarjeta de acceso ---- */
.auth-panel { flex: 1; display: flex; align-items: center; justify-content: center; padding: 2rem; position: relative; z-index: 1; }

.particles { position: absolute; inset: 0; z-index: 1; pointer-events: none; overflow: hidden; }
.particle { position: absolute; background: var(--accent); border-radius: 50%; opacity: 0; box-shadow: 0 0 8px var(--accent); animation: float 5s infinite linear; }

.glass-card {
    position: relative; z-index: 10;
    background: var(--glass-strong);
    -webkit-backdrop-filter: blur(calc(var(--glass-blur) + 6px)) saturate(var(--glass-saturate));
    backdrop-filter: blur(calc(var(--glass-blur) + 6px)) saturate(var(--glass-saturate));
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    padding: 2.6rem;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-tight), var(--shadow-diffuse);
    transition: background-color var(--dur-large) var(--ease-out), border-color var(--dur-large) var(--ease-out);
}

.brand-logo {
    background: var(--accent-gradient);
    width: 60px; height: 60px;
    border-radius: var(--radius-sm);
    box-shadow: 0 0 30px var(--accent-shadow);
    display: flex; justify-content: center; align-items: center;
    margin-bottom: 1.4rem;
}

.glass-card h3 { color: var(--text-1); font-family: var(--font-display); }
.text-white-50 { color: var(--text-3) !important; }

.form-label { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); margin-left: 5px; }

.form-control {
    background: var(--glass-soft) !important;
    border: 1px solid var(--hairline);
    color: var(--text-1) !important;
    border-radius: var(--radius-sm);
    padding: 13px 18px;
    transition: all var(--dur-hover) var(--ease-out);
}
.form-control:focus { background: var(--glass-soft) !important; border-color: var(--accent); box-shadow: 0 0 0 .2rem var(--accent-outline-bg); transform: translateY(-1px); }

.btn-eye { position: absolute; right: 15px; top: 50%; transform: translateY(-50%); background: none; border: none; color: var(--text-3); cursor: pointer; z-index: 5; }

.btn-login {
    background: var(--accent-gradient);
    border: none; color: var(--accent-ink);
    border-radius: var(--radius-sm);
    min-height: 54px; font-weight: 800; font-size: 1rem;
    box-shadow: var(--shadow-tight), 0 14px 30px -8px var(--accent-shadow);
    transition: transform var(--dur-hover) var(--ease-bounce), box-shadow var(--dur-hover) var(--ease-out);
    margin-top: .75rem;
    position: relative; overflow: hidden;
}
.btn-login:hover:not(:disabled) { transform: translateY(-2px) scale(1.01); box-shadow: var(--shadow-tight), 0 22px 42px -8px var(--accent-shadow); }
.btn-login:active:not(:disabled) { transform: scale(.97); }
.btn-login::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(120deg, transparent 30%, color-mix(in srgb, var(--accent-ink) 40%, transparent) 50%, transparent 70%);
    transform: translateX(-120%);
    transition: transform .6s var(--ease-out);
}
.btn-login:hover::after { transform: translateX(120%); }
.btn-login #btnSpinner { border-color: var(--accent-ink); border-right-color: transparent; }

::placeholder { color: var(--text-3) !important; opacity: .7; }

@keyframes float { 0% { transform: translateY(100vh) scale(0); opacity: 0; } 10% { opacity: 0.8; } 90% { opacity: 0.8; } 100% { transform: translateY(-10vh) scale(1); opacity: 0; } }
@keyframes pulse-dot { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: .45; transform: scale(1.3); } }

@keyframes shake-x { 10%,90% { transform: translateX(-1px); } 20%,80% { transform: translateX(2px); } 30%,50%,70% { transform: translateX(-4px); } 40%,60% { transform: translateX(4px); } }
.anim-shake { animation: shake-x .4s var(--ease-out); }

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