@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@500;600;700;800&display=swap');

body.register-page {
    --register-ink: #1e3c72;
    --register-muted: #777;
    --register-primary: #1e3c72;
    --register-primary-hover: #2a5298;
    --register-accent: #ffd54f;
    --register-border: #d6deeb;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 1rem .75rem;
    color: var(--register-ink);
    font-family: 'DM Sans', 'Segoe UI', sans-serif;
    background-color: #1e3c72;
    background-image:
        linear-gradient(135deg, rgba(42, 82, 152, .12), transparent 48%),
        linear-gradient(315deg, rgba(255, 213, 79, .07), transparent 48%),
        linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px),
        linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    background-size: auto, auto, 28px 28px, 28px 28px;
}

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

.register-box {
    width: 100%;
    max-width: 680px;
    margin: auto 0;
    /* Centra verticalmente en PC cuando cabe; en móvil se apoya desde arriba */
}

.card {
    border-radius: 12px;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.28);
    border: none;
    background: #ffffff;
    overflow: hidden;
}

.card-header {
    background: #fff;
    border-bottom: 1px solid #eee;
    text-align: center;
    padding: 14px 20px 10px;
}

/* --- Botón de regresar --- */
.register-back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin: 0 0 10px;
    padding: 4px 12px;
    border: 1px solid #d0d7de;
    border-radius: 20px;
    color: #57606a;
    background: rgba(243, 246, 251, 0.8);
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    float: left;
}

.register-back-link .back-arrow {
    font-size: 1rem;
    line-height: 1;
    transition: transform 0.2s ease;
}

.register-back-link:hover {
    border-color: rgba(13, 110, 253, 0.4);
    color: #0d6efd;
    background: rgba(13, 110, 253, 0.08);
    text-decoration: none;
}

.register-back-link:hover .back-arrow {
    transform: translateX(-3px);
}

.card-header i.fa-user-shield {
    clear: both;
    display: block;
    font-size: 1.8rem;
    color: #1e3c72;
    margin: 0 auto 4px;
}

.card-header .logo-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: #1e3c72;
    margin-bottom: 2px;
    line-height: 1.2;
}

.card-header .logo-subtitle {
    color: #666;
    font-size: 0.83rem;
}

/* --- Formulario --- */
.card-body {
    padding: 12px 22px 10px;
}

.section-title {
    font-size: 0.82rem;
    font-weight: 700;
    color: #1e3c72;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin: 8px 0 8px;
}

.section-title:first-child {
    margin-top: 0;
}

.card-body .form-group {
    margin-bottom: 8px;
}

.card-body label {
    font-size: 0.82rem;
    margin-bottom: 3px;
    font-weight: 600;
}

.form-control {
    border-radius: 5px;
    border: 1px solid #ced4da;
    padding: 5px 10px;
    height: 36px;
    font-size: 0.88rem;
}

.form-control:focus {
    border-color: #2a5298;
    box-shadow: 0 0 0 0.18rem rgba(42, 82, 152, 0.2);
}

.form-check {
    margin-top: 6px !important;
    margin-bottom: 0;
}

.form-check-label {
    font-size: 0.82rem;
}

.card-footer {
    padding: 10px 22px;
    background: #fff;
}

.btn-primary {
    background: #1e3c72;
    border-color: #1e3c72;
    font-weight: 700;
    padding: 8px 12px;
    font-size: 0.9rem;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.btn-primary:hover {
    background: #2a5298;
    border-color: #2a5298;
}

.login-link {
    text-align: center;
    margin-top: 10px;
    margin-bottom: 10px;
    color: #fff;
    font-size: 0.85rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.login-link a {
    color: #ffd54f;
    font-weight: 600;
    text-decoration: none;
}

.invalid-feedback {
    display: block;
    font-size: 0.78rem;
}

/* ==========================================
   CORRECCIÓN ESPECÍFICA PARA MÓVILES
   ========================================== */
@media (max-width: 768px) {
    body.register-page {
        justify-content: flex-start;
        padding: 10px 8px 25px;
    }

    .register-box {
        margin-top: 0;
        margin-bottom: 0;
    }

    .card-header {
        padding: 10px 12px 6px;
    }

    .card-body {
        padding: 10px 12px;
    }

    .card-footer {
        padding: 8px 12px;
    }

    .card-header .logo-title {
        font-size: 1.15rem;
    }

    .card-header i.fa-user-shield {
        font-size: 1.4rem;
        max-width: 840px;
        animation: register-enter .45s ease-out both;
    }
}

.register-page .card {
    overflow: hidden;
    border: 1px solid rgba(30, 60, 114, .08);
    border-top: 4px solid var(--register-primary);
    border-radius: 13px;
    background: #fff;
    box-shadow: 0 22px 60px rgba(16, 39, 82, .18), 0 3px 10px rgba(16, 39, 82, .07);
}

.register-page .card-header {
    padding: 1.6rem 1.1rem 1.35rem;
    text-align: center;
    background: linear-gradient(160deg, #f1f4fa, #fff 76%);
    border-bottom: 1px solid #e5eaf2;
}

.register-page .register-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .55rem;
    margin-bottom: 1.1rem;
    color: var(--register-primary);
    font-family: 'Manrope', 'DM Sans', 'Segoe UI', sans-serif;
    font-size: .86rem;
    font-weight: 700;
}

.register-page .register-brand i {
    display: inline-flex;
    width: 2.5rem;
    height: 2.5rem;
    align-items: center;
    justify-content: center;
    border: 1px solid #d4def0;
    border-radius: 11px;
    color: var(--register-primary);
    background: #e6edf8;
    font-size: 1.2rem;
}

.register-page .card-header .logo-title {
    margin-bottom: .45rem;
    color: var(--register-ink);
    font-family: 'Manrope', 'DM Sans', 'Segoe UI', sans-serif;
    font-size: 1.35rem;
    font-weight: 800;
    line-height: 1.25;
}

.register-page .card-header .logo-subtitle {
    max-width: 34rem;
    margin: 0 auto;
    color: var(--register-muted);
    font-size: .98rem;
    line-height: 1.55;
}

.register-page .card-body {
    padding: 1.25rem 1rem .9rem;
}

.register-page .section-title {
    display: flex;
    align-items: center;
    gap: .65rem;
    margin: 1.25rem 0 1rem;
    color: var(--register-primary);
    font-size: .82rem;
    font-weight: 700;
    line-height: 1.4;
    text-transform: uppercase;
}

.register-page .section-title:first-child {
    margin-top: 0;
}

.register-page .section-title::after {
    height: 1px;
    flex: 1;
    content: '';
    background: #e2e8f1;
}

.register-page .section-title i {
    color: var(--register-primary);
    font-size: .95rem;
}

.register-page .form-group {
    margin-bottom: 1.15rem;
}

.register-page .form-group label {
    display: inline-block;
    margin-bottom: .45rem;
    color: #334562;
    font-size: .88rem;
    font-weight: 600;
}

.register-page .form-control {
    min-height: 46px;
    padding: .62rem .85rem;
    border: 1px solid var(--register-border);
    border-radius: 9px;
    color: var(--register-ink);
    background-color: #fbfcff;
    font-family: inherit;
    font-size: .96rem;
    transition: border-color .18s ease, box-shadow .18s ease, background-color .18s ease;
}

.register-page .form-control:hover:not(:focus) {
    border-color: #aab9d4;
    background-color: #fff;
}

.register-page .form-control:focus {
    border-color: var(--register-primary);
    outline: 0;
    background-color: #fff;
    box-shadow: 0 0 0 3px rgba(42, 82, 152, .16);
}

.register-page .form-control.is-invalid {
    border-color: #c74d4d;
}

.register-page .form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(199, 77, 77, .13);
}

.register-page .invalid-feedback {
    display: block;
    margin-top: .4rem;
    color: #b33b3b;
    font-size: .82rem;
    line-height: 1.45;
}

.register-page .alert-danger {
    padding: 1rem 1.1rem;
    border: 1px solid #f0cccc;
    border-radius: 10px;
    color: #843c3c;
    background: #fff6f4;
}

.register-page .form-check {
    display: grid;
    grid-template-columns: 1.1rem minmax(0, 1fr);
    align-items: start;
    column-gap: .55rem;
    margin: .45rem 0 .25rem;
    padding-left: 0;
}

.register-page .form-check-input {
    position: static;
    grid-column: 1;
    width: 1.1rem;
    height: 1.1rem;
    flex: 0 0 auto;
    margin: .15rem 0 0;
    border-color: #a9b7cd;
    accent-color: var(--register-primary);
    cursor: pointer;
}

.register-page .form-check-input:focus {
    border-color: var(--register-primary);
    box-shadow: 0 0 0 3px rgba(42, 82, 152, .16);
}

.register-page .form-check-label {
    display: block;
    grid-column: 2;
    color: #596579;
    font-size: .9rem;
    line-height: 1.5;
    cursor: pointer;
}

.register-page .form-check .invalid-feedback {
    grid-column: 2;
}

.register-page .card-footer {
    padding: 1rem;
    border-top: 1px solid #e5eaf2;
    background: #fbfcff;
}

.register-page .btn-primary {
    min-height: 48px;
    border: 1px solid var(--register-primary);
    border-radius: 9px;
    color: #fff;
    background: var(--register-primary);
    font-family: 'DM Sans', 'Segoe UI', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    box-shadow: 0 5px 12px rgba(30, 60, 114, .18);
    transition: transform .18s ease, background-color .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.register-page .btn-primary:hover {
    transform: translateY(-1px);
    border-color: var(--register-primary-hover);
    background: var(--register-primary-hover);
    box-shadow: 0 8px 17px rgba(30, 60, 114, .24);
}

.register-page .btn-primary:focus,
.register-page .btn-primary:focus-visible {
    border-color: var(--register-primary-hover);
    outline: 0;
    background: var(--register-primary-hover);
    box-shadow: 0 0 0 3px rgba(42, 82, 152, .22), 0 5px 12px rgba(30, 60, 114, .18);
}

.register-page .btn-primary:active {
    transform: translateY(0);
    background: #1a3260;
}

.register-page .login-link {
    margin-top: 1.1rem;
    color: #fff;
    font-size: .92rem;
    text-shadow: none;
}

.register-page .login-link a {
    color: var(--register-accent);
    font-weight: 700;
    text-decoration: none;
    text-underline-offset: 3px;
    transition: color .18s ease, text-decoration-color .18s ease;
}

.register-page .login-link a:hover {
    color: #ffe38b;
    text-decoration: underline;
}

.register-page .login-link a:focus-visible {
    border-radius: 3px;
    outline: 2px solid #fff;
    outline-offset: 3px;
}

@keyframes register-enter {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (min-width: 576px) {
    body.register-page {
        justify-content: center;
        padding: 2rem 1.25rem;
    }

    .register-page .card {
        border-radius: 16px;
    }

    .register-page .card-header {
        padding: 2.25rem 2rem 1.8rem;
    }

    .register-page .card-header .logo-title {
        font-size: 1.55rem;
    }

    .register-page .card-body {
        padding: 1.75rem 2rem 1.4rem;
    }

    .register-page .card-footer {
        padding: 1.2rem 2rem;
    }

    .register-page .section-title {
        margin-top: 1.5rem;
        margin-bottom: 1.2rem;
    }
}

@media (max-height: 1000px) {
    body.register-page {
        justify-content: flex-start;
    }
}

@media (prefers-reduced-motion: reduce) {
    .register-box {
        animation: none;
    }

    .register-page .form-control,
    .register-page .btn-primary,
    .register-page .login-link a {
        transition: none;
    }
}