/**
 * CARLA — Login (2 columnas + asistente)
 * Colores y tokens: hereda --c360-* de carla-360.css
 */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    height: 100%;
}

body.carla-login-page {
    margin: 0;
    min-height: 100%;
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    color: var(--c360-text);
    background: var(--c360-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Grid: columna asistente | columna formulario */
.carla-login-shell {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(300px, 1fr) minmax(320px, 1.15fr);
    width: 100%;
    align-items: stretch;
}

/* ——— Columna 1: hero (misma línea visual que .c360-sidebar) ——— */
.carla-login-col--hero {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: clamp(1.5rem, 4vw, 3rem);
    min-height: 100vh;
    background: linear-gradient(180deg, var(--c360-primary) 0%, #1e3a5f 100%);
    box-shadow: 4px 0 24px rgba(15, 55, 88, 0.12);
    overflow: hidden;
}

.carla-login-col--hero .carla-login-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        radial-gradient(ellipse 90% 70% at 50% 0%, rgba(99, 102, 241, 0.22) 0%, transparent 55%),
        radial-gradient(ellipse 70% 50% at 100% 60%, rgba(124, 58, 237, 0.18) 0%, transparent 50%),
        radial-gradient(ellipse 50% 40% at 0% 90%, rgba(147, 197, 253, 0.12) 0%, transparent 45%);
    background-size:
        28px 28px,
        28px 28px,
        auto,
        auto,
        auto;
    pointer-events: none;
}

.carla-login-col--hero #carla-particles-canvas {
    position: absolute;
    inset: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.45;
}

.carla-login-hero {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    width: 100%;
    max-width: 440px;
}

/* Robot */
.carla-robot-wrap {
    position: relative;
    width: min(220px, 52vw);
    aspect-ratio: 1;
    filter: drop-shadow(0 0 24px rgba(147, 197, 253, 0.28));
}

.carla-robot-svg {
    width: 100%;
    height: 100%;
    display: block;
}

.carla-antenna-dot {
    animation: carla-antenna-pulse 2.4s ease-in-out infinite;
}

@keyframes carla-antenna-pulse {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.55;
    }
}

.carla-robot-breathe {
    transform-origin: center bottom;
    animation: carla-breathe 3.2s ease-in-out infinite;
}

@keyframes carla-breathe {
    0%,
    100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-4px) scale(1.02);
    }
}

.carla-eye-lid {
    animation: carla-blink 4.5s ease-in-out infinite;
    transform-origin: center top;
}

@keyframes carla-blink {
    0%,
    90%,
    100% {
        transform: scaleY(0);
        opacity: 0;
    }
    92%,
    94% {
        transform: scaleY(1);
        opacity: 1;
    }
}

.carla-login-page.carla-robot-state--focus .carla-robot-wrap {
    filter: drop-shadow(0 0 32px rgba(99, 102, 241, 0.5));
}

.carla-login-page.carla-robot-state--focus .carla-robot-accent {
    stroke: var(--c360-accent);
    opacity: 1;
}

.carla-login-page.carla-robot-state--error .carla-robot-breathe {
    animation: carla-shake 0.5s ease-in-out;
}

.carla-login-page.carla-robot-state--error .carla-robot-wrap {
    filter: drop-shadow(0 0 22px rgba(239, 68, 68, 0.45));
}

.carla-login-page.carla-robot-state--error .carla-eye-core {
    fill: #fecaca;
}

@keyframes carla-shake {
    0%,
    100% {
        transform: translateX(0);
    }
    20% {
        transform: translateX(-6px);
    }
    40% {
        transform: translateX(6px);
    }
    60% {
        transform: translateX(-4px);
    }
    80% {
        transform: translateX(4px);
    }
}

.carla-login-page.carla-robot-state--submit .carla-robot-breathe {
    animation-duration: 1.2s;
}

.carla-login-page.carla-robot-state--success .carla-robot-wrap {
    filter: drop-shadow(0 0 26px rgba(16, 185, 129, 0.45));
}

.carla-login-page.carla-robot-state--success .carla-eye-core {
    fill: #6ee7b7;
}

.carla-login-page.carla-robot-state--success .carla-robot-accent {
    stroke: var(--c360-success);
    opacity: 1;
}

.carla-login-page.carla-robot-state--success .carla-robot-breathe {
    animation: carla-success-nod 0.9s ease-in-out 2;
}

@keyframes carla-success-nod {
    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-6px) rotate(-2deg);
    }
    75% {
        transform: translateY(-4px) rotate(2deg);
    }
}

/* Burbuja asistente (vidrio tipo .c360-quick-rail) */
.carla-login-col--hero .carla-assistant-bubble {
    width: 100%;
    padding: 0.9rem 1.15rem;
    border-radius: 14px;
    background: linear-gradient(165deg, rgba(255, 255, 255, 0.08) 0%, rgba(0, 0, 0, 0.14) 100%);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.06),
        0 8px 32px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.carla-login-page.carla-robot-state--focus .carla-login-col--hero .carla-assistant-bubble {
    border-color: rgba(147, 197, 253, 0.35);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        0 0 24px rgba(99, 102, 241, 0.2);
}

.carla-login-page.carla-robot-state--error .carla-login-col--hero .carla-assistant-bubble {
    border-color: rgba(252, 165, 165, 0.45);
}

.carla-login-page.carla-robot-state--success .carla-login-col--hero .carla-assistant-bubble {
    border-color: rgba(110, 231, 183, 0.45);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        0 0 20px rgba(16, 185, 129, 0.15);
}

.carla-login-col--hero .carla-assistant-kicker {
    font-size: 0.58rem;
    font-weight: 800;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: #93c5fd;
    margin: 0 0 0.4rem 0;
    font-family: 'Orbitron', system-ui, sans-serif;
}

.carla-login-col--hero .carla-assistant-text {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.94);
    font-weight: 500;
    min-height: 2.8em;
    transition: opacity 0.2s ease;
}

.carla-assistant-text.is-updating {
    opacity: 0.7;
}

/* ——— Columna 2: formulario (superficie analítica clara) ——— */
.carla-login-col--form {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(1.25rem, 4vw, 2.5rem);
    min-height: 100vh;
    background:
        radial-gradient(ellipse 90% 45% at 50% -10%, rgba(99, 102, 241, 0.07) 0%, transparent 55%),
        radial-gradient(ellipse 60% 40% at 100% 100%, rgba(79, 131, 165, 0.06) 0%, transparent 45%),
        var(--c360-bg);
}

.carla-login-card-future {
    width: 100%;
    max-width: 420px;
    padding: clamp(1.5rem, 4vw, 2.15rem);
    border-radius: 16px;
    border: 2px solid transparent;
    background:
        linear-gradient(var(--c360-card), var(--c360-card)) padding-box,
        linear-gradient(125deg, var(--c360-accent), var(--c360-purple), var(--c360-secondary)) border-box;
    box-shadow:
        0 4px 6px rgba(15, 55, 88, 0.04),
        0 12px 40px rgba(15, 55, 88, 0.1);
    animation: carla-card-enter 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes carla-card-enter {
    from {
        opacity: 0;
        transform: translateY(14px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.carla-login-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 1.35rem;
}

.carla-login-brand-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin: 0 0 0.85rem 0;
    padding: 0.4rem 0.85rem;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--c360-accent);
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.22);
    border-radius: 999px;
}

.carla-login-brand-badge-icon {
    flex-shrink: 0;
    opacity: 0.9;
}

.carla-login-brand h1 {
    margin: 0;
    font-family: 'Orbitron', system-ui, sans-serif;
    font-size: clamp(1.65rem, 4vw, 2rem);
    font-weight: 800;
    letter-spacing: 0.12em;
    color: var(--c360-primary);
}

.carla-login-brand .tagline {
    margin: 0.45rem 0 0 0;
    font-size: 0.85rem;
    color: var(--c360-muted);
    font-weight: 500;
}

.carla-login-brand .acronym {
    margin: 0.65rem 0 0 0;
    font-size: 0.72rem;
    line-height: 1.45;
    color: var(--c360-muted);
    max-width: 34rem;
}

.carla-login-brand .acronym strong {
    color: var(--c360-text);
    font-weight: 600;
}

.carla-login-alert {
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    font-size: 0.82rem;
    line-height: 1.45;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: #b91c1c;
    animation: carla-fade-in 0.35s ease;
}

@keyframes carla-fade-in {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.carla-form-future .field {
    margin-bottom: 1.1rem;
}

.carla-form-future label {
    display: block;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--c360-muted);
    margin-bottom: 0.45rem;
}

.carla-input-shell {
    position: relative;
    display: flex;
    align-items: center;
}

.carla-input-icon {
    position: absolute;
    left: 0.95rem;
    z-index: 1;
    display: flex;
    color: var(--c360-muted);
    pointer-events: none;
    transition: color 0.2s ease;
}

.carla-input-shell:focus-within .carla-input-icon {
    color: var(--c360-accent);
}

.carla-form-future input {
    width: 100%;
    padding: 0.8rem 1rem 0.8rem 2.75rem;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--c360-text);
    background: var(--c360-bg);
    border: 1px solid var(--c360-border);
    border-radius: 10px;
    outline: none;
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease,
        background 0.2s ease;
}

.carla-form-future input::placeholder {
    color: rgba(100, 116, 139, 0.65);
}

.carla-form-future input:hover {
    border-color: rgba(99, 102, 241, 0.35);
}

.carla-form-future input:focus {
    border-color: var(--c360-accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    background: var(--c360-card);
}

.carla-form-future input.is-typing {
    border-color: rgba(124, 58, 237, 0.4);
}

.carla-input-shell--password input {
    padding-right: 3rem;
}

.carla-password-toggle {
    position: absolute;
    right: 0.35rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--c360-muted);
    cursor: pointer;
    transition:
        color 0.2s ease,
        background 0.2s ease;
}

.carla-password-toggle:hover {
    color: var(--c360-accent);
    background: rgba(99, 102, 241, 0.08);
}

.carla-password-toggle:focus-visible {
    outline: 2px solid rgba(99, 102, 241, 0.6);
    outline-offset: 2px;
}

.carla-password-toggle-icon--hide {
    display: none;
}

.carla-password-toggle--visible .carla-password-toggle-icon--show {
    display: none;
}

.carla-password-toggle--visible .carla-password-toggle-icon--hide {
    display: block;
}

.carla-login-options {
    margin: -0.15rem 0 1rem 0;
}

.carla-login-remember {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--c360-text);
    user-select: none;
}

.carla-login-remember input {
    width: 1.05rem;
    height: 1.05rem;
    margin: 0;
    flex-shrink: 0;
    accent-color: var(--c360-accent);
    cursor: pointer;
}

.carla-login-remember-text {
    line-height: 1.3;
}

/* Botón alineado a .c360-btn */
.carla-btn-future {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    width: 100%;
    margin-top: 0.35rem;
    padding: 0.75rem 1.2rem;
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #fff;
    background: var(--c360-accent);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 18px rgba(99, 102, 241, 0.28);
    transition:
        background 0.2s ease,
        transform 0.12s ease,
        box-shadow 0.2s ease;
}

.carla-btn-spinner {
    display: none;
    width: 1.05rem;
    height: 1.05rem;
    flex-shrink: 0;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: carla-btn-spin 0.65s linear infinite;
}

@keyframes carla-btn-spin {
    to {
        transform: rotate(360deg);
    }
}

.carla-btn-future.is-loading .carla-btn-spinner {
    display: block;
}

.carla-btn-label {
    position: relative;
    z-index: 1;
}

.carla-btn-future:hover:not(:disabled) {
    background: #4f46e5;
    transform: translateY(-1px);
    box-shadow: 0 6px 22px rgba(99, 102, 241, 0.35);
}

.carla-btn-future:active:not(:disabled) {
    transform: translateY(0);
}

.carla-btn-future:disabled {
    opacity: 0.85;
    cursor: wait;
}

.carla-btn-future::after {
    content: '';
    position: absolute;
    inset: -50%;
    background: linear-gradient(45deg, transparent 40%, rgba(255, 255, 255, 0.12) 50%, transparent 60%);
    transform: translateX(-100%);
    transition: transform 0.55s ease;
}

.carla-btn-future:hover:not(:disabled):not(.is-loading)::after {
    transform: translateX(100%);
}

.carla-btn-future.is-loading::after {
    display: none;
}

.carla-login-card-future .carla-login-footer {
    margin: 1.35rem 0 0 0;
    padding: 1rem 0 0 0;
    border-top: 1px solid var(--c360-border);
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.62rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--c360-muted);
}

.carla-login-footer-text {
    text-align: center;
    white-space: nowrap;
}

.carla-login-footer-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--c360-border), transparent);
    min-width: 0;
}

@media (max-width: 900px) {
    .carla-login-shell {
        grid-template-columns: 1fr;
    }

    .carla-login-col--hero {
        min-height: auto;
        padding: clamp(1.5rem, 5vw, 2.5rem) clamp(1rem, 4vw, 1.5rem);
    }

    .carla-login-col--form {
        min-height: auto;
        padding-bottom: 2rem;
    }
}

@media (max-width: 380px) {
    .carla-login-footer-text {
        white-space: normal;
    }
}

@media (prefers-reduced-motion: reduce) {
    .carla-robot-breathe,
    .carla-eye-lid,
    .carla-antenna-dot,
    .carla-login-card-future,
    .carla-btn-spinner,
    .carla-login-page.carla-robot-state--success .carla-robot-breathe {
        animation: none !important;
    }

    .carla-login-card-future {
        opacity: 1;
        transform: none;
    }

    .carla-btn-future.is-loading .carla-btn-spinner {
        border: 2px solid rgba(255, 255, 255, 0.65);
        border-top-color: #fff;
    }
}