/**
 * Auth3 - Card centrado minimalista
 * Logo + tagline + OAuth primero + form + trust badge
 */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --a3-primary:        #2563eb;
    --a3-primary-hover:  #1d4ed8;
    --a3-text:           #111827;
    --a3-text-secondary: #6b7280;
    --a3-border:         #e5e7eb;
    --a3-bg:             #f0f2f5;
    --a3-card-bg:        #ffffff;
    --a3-input-icon:     #9ca3af;
}

html[data-layout-mode=dark] {
    --a3-primary:        #3b82f6;
    --a3-primary-hover:  #2563eb;
    --a3-text:           #f1f5f9;
    --a3-text-secondary: #94a3b8;
    --a3-border:         #334155;
    --a3-bg:             #0f172a;
    --a3-card-bg:        #1e293b;
    --a3-input-icon:     #64748b;
}

/* ── Página ─────────────────────────────────────── */
.auth3-page {
    min-height: 100vh;
    background: var(--a3-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px 16px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* ── Barra sandbox ──────────────────────────────── */
.auth3-sandbox-bar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 300;
    background: #fef3c7;
    color: #92400e;
    text-align: center;
    padding: 7px 16px;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border-bottom: 1px solid #fde68a;
}
html[data-layout-mode=dark] .auth3-sandbox-bar {
    background: #78350f; color: #fef3c7; border-bottom-color: #92400e;
}

/* ── Card ───────────────────────────────────────── */
.auth3-card {
    width: 100%;
    max-width: 480px;
    background: var(--a3-card-bg);
    border-radius: 20px;
    padding: 32px 40px 28px;
    box-shadow: 0 4px 32px rgba(0,0,0,0.09), 0 1px 6px rgba(0,0,0,0.05);
}
html[data-layout-mode=dark] .auth3-card {
    box-shadow: 0 4px 32px rgba(0,0,0,0.45), 0 1px 6px rgba(0,0,0,0.25);
}

/* ── Logo ───────────────────────────────────────── */
.auth3-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}
}
.auth3-logo img {
    height: 36px;
}

/* ── Header ─────────────────────────────────────── */
.auth3-header {
    text-align: center;
    margin-bottom: 20px;
}
.auth3-header h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--a3-text);
    margin: 0 0 8px 0;
    letter-spacing: -0.3px;
    line-height: 1.3;
}
.auth3-header p {
    font-size: 13px;
    color: var(--a3-text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* ── Alert ──────────────────────────────────────── */
.auth3-card .alert {
    font-size: 13px;
    border-radius: 8px;
    margin-bottom: 16px;
}
html[data-layout-mode=dark] .auth3-card .alert-danger  { background:#7f1d1d; border-color:#991b1b; color:#fecaca; }
html[data-layout-mode=dark] .auth3-card .alert-success { background:#14532d; border-color:#166534; color:#bbf7d0; }
html[data-layout-mode=dark] .auth3-card .alert-info    { background:#1e3a8a; border-color:#1e40af; color:#bfdbfe; }

/* ── OAuth buttons ──────────────────────────────── */
.auth3-oauth-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 4px;
}
.auth3-oauth-btn {
    width: 100%;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    border: 1.5px solid var(--a3-border);
    border-radius: 12px;
    background: var(--a3-card-bg);
    color: var(--a3-text);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
    text-decoration: none;
}
.auth3-oauth-btn:hover {
    background: var(--a3-bg);
    border-color: #9ca3af;
    color: var(--a3-text);
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
}
html[data-layout-mode=dark] .auth3-oauth-btn { background: #0f172a; }
html[data-layout-mode=dark] .auth3-oauth-btn:hover { background: #1e293b; }
.auth3-oauth-btn svg { flex-shrink: 0; }

/* ── Divider ─────────────────────────────────────── */
.auth3-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 20px 0;
    color: var(--a3-text-secondary);
    font-size: 12px;
    letter-spacing: 0.3px;
}
.auth3-divider::before, .auth3-divider::after {
    content: ''; flex: 1; height: 1px; background: var(--a3-border);
}

/* ── Fields ─────────────────────────────────────── */
.auth3-field { margin-bottom: 12px; }
.auth3-field-label-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 6px;
}
.auth3-field label {
    font-size: 13px;
    font-weight: 600;
    color: var(--a3-text);
}
.auth3-forgot {
    font-size: 12px;
    font-weight: 500;
    color: var(--a3-primary);
    text-decoration: none;
}
.auth3-forgot:hover { text-decoration: underline; }

/* Input con icono */
.auth3-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}
.auth3-input-icon {
    position: absolute;
    left: 14px;
    color: var(--a3-input-icon);
    font-size: 16px;
    pointer-events: none;
    display: flex;
    align-items: center;
}
.auth3-input-wrap .form-control {
    height: 50px;
    border: 1.5px solid var(--a3-border);
    border-radius: 12px;
    font-size: 14px;
    padding: 0 44px 0 42px;
    width: 100%;
    background: var(--a3-card-bg);
    color: var(--a3-text);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.auth3-input-wrap .form-control:focus {
    border-color: var(--a3-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.10);
    outline: none;
}
.auth3-input-wrap .form-control::placeholder { color: #9ca3af; }
html[data-layout-mode=dark] .auth3-input-wrap .form-control {
    background: #0f172a; color: var(--a3-text); border-color: var(--a3-border);
}
html[data-layout-mode=dark] .auth3-input-wrap .form-control:focus {
    background: #1e293b;
    box-shadow: 0 0 0 3px rgba(59,130,246,0.20);
}

/* Autofill */
.auth3-input-wrap .form-control:-webkit-autofill,
.auth3-input-wrap .form-control:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0 40px #ffffff inset !important;
    -webkit-text-fill-color: #111827 !important;
}
html[data-layout-mode=dark] .auth3-input-wrap .form-control:-webkit-autofill,
html[data-layout-mode=dark] .auth3-input-wrap .form-control:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0 40px #0f172a inset !important;
    -webkit-text-fill-color: #f1f5f9 !important;
}

/* Toggle contraseña */
.auth3-password-toggle {
    position: absolute;
    right: 14px;
    background: none; border: none;
    color: var(--a3-input-icon);
    cursor: pointer; padding: 0;
    font-size: 16px;
    display: flex; align-items: center;
}
.auth3-password-toggle:hover { color: var(--a3-text); }

/* ── Recordarme ─────────────────────────────────── */
.auth3-card .form-check-label { font-size: 13px; color: var(--a3-text-secondary); }
html[data-layout-mode=dark] .auth3-card .form-check-input {
    background-color: #0f172a; border-color: var(--a3-border);
}
html[data-layout-mode=dark] .auth3-card .form-check-input:checked {
    background-color: var(--a3-primary); border-color: var(--a3-primary);
}

/* ── Botón principal ─────────────────────────────── */
.auth3-btn-primary {
    height: 50px;
    background: var(--a3-primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.2px;
    width: 100%;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center; gap: 8px;
    transition: background 0.15s, box-shadow 0.15s;
    margin-top: 8px;
    box-shadow: 0 4px 14px rgba(37,99,235,0.30);
}
.auth3-btn-primary:hover {
    background: var(--a3-primary-hover);
    box-shadow: 0 6px 18px rgba(37,99,235,0.42);
    color: white;
}
.auth3-btn-primary:disabled { opacity: 0.70; cursor: default; }

/* ── Footer ─────────────────────────────────────── */
.auth3-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 13px;
}
.auth3-footer span { color: var(--a3-text-secondary); }
.auth3-footer a {
    color: var(--a3-primary); text-decoration: none;
    font-weight: 600; margin-left: 4px;
}
.auth3-footer a:hover { text-decoration: underline; }

/* ── Trust badge ─────────────────────────────────── */
.auth3-trust {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--a3-border);
    font-size: 12px;
    color: var(--a3-text-secondary);
}
.auth3-trust i { font-size: 15px; color: var(--a3-input-icon); }

/* ── Powered by ──────────────────────────────────── */
.auth3-powered {
    margin-top: 20px;
    font-size: 12px;
    color: var(--a3-text-secondary);
    display: flex; align-items: center; justify-content: center; gap: 4px;
}
.auth3-powered a { color: var(--a3-text-secondary); text-decoration: none; }
.auth3-powered a:hover { color: var(--a3-primary); }

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 520px) {
    .auth3-card { padding: 36px 24px 28px; border-radius: 16px; }
}
@media (max-width: 380px) {
    .auth3-card { padding: 28px 18px 22px; }
    .auth3-header h1 { font-size: 19px; }
}

/* ── Fondo por marca ─────────────────────────────── */
.auth3-page[data-brand="duodte"] {
    background: linear-gradient(150deg, #0c1a3a 0%, #1e3a6e 100%);
}
.auth3-page[data-brand="duohub"] {
    background: linear-gradient(150deg, #022c22 0%, #064e3b 100%);
}
.auth3-page[data-brand="partner"] {
    background: linear-gradient(150deg, #7c2d12 0%, #b45309 100%);
}
.auth3-page[data-brand="sandbox"] {
    background: linear-gradient(150deg, #78350f 0%, #92400e 100%);
}

html[data-layout-mode=light] .auth3-page[data-brand="duodte"] {
    background: linear-gradient(150deg, rgba(30,58,138,0.12) 0%, rgba(37,99,235,0.08) 100%), #f0f2f5;
}
html[data-layout-mode=light] .auth3-page[data-brand="duohub"] {
    background: linear-gradient(150deg, rgba(4,80,62,0.12) 0%, rgba(5,150,105,0.08) 100%), #f0f2f5;
}
html[data-layout-mode=light] .auth3-page[data-brand="partner"] {
    background: linear-gradient(150deg, rgba(124,45,18,0.10) 0%, rgba(217,119,6,0.07) 100%), #f0f2f5;
}
html[data-layout-mode=light] .auth3-page[data-brand="sandbox"] {
    background: linear-gradient(150deg, rgba(120,53,15,0.10) 0%, rgba(146,64,14,0.07) 100%), #f0f2f5;
}

/* Sandbox: badge debajo del logo */
.auth3-logo-sandbox-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.8px;
    padding: 3px 10px;
    margin-top: 6px;
    text-transform: uppercase;
}
html[data-layout-mode=dark] .auth3-logo-sandbox-badge {
    background: #78350f; color: #fef3c7; border-color: #92400e;
}

/* Acento en el card para partner */
.auth3-page[data-brand="partner"] .auth3-card,
html[data-layout-mode=light] .auth3-page[data-brand="partner"] .auth3-card {
    border-top: 3px solid #d97706;
}
.auth3-page[data-brand="sandbox"] .auth3-card,
html[data-layout-mode=light] .auth3-page[data-brand="sandbox"] .auth3-card {
    border-top: 3px solid #92400e;
}