/* ================================
   PALETA CORPORATIVA NEUTRA
================================ */
:root {
    --primary-accent: #23405a;       /* Azul petróleo principal */
    --accent-green: #4caf50;         /* Verde para acciones */
    --accent-gray: #5c6770;          /* Gris metálico */
    --light-gray: #f7f8fa;           /* Fondo suave */
    --medium-gray: #dfe3e6;          /* Bordes */
    --dark-gray: #2f3133;            /* Texto principal */
    --border-color: #e0e0e0;
    --shadow-color: rgba(0, 0, 0, 0.07);
}

/* ================================
   ESTILOS BASE
================================ */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: white;
    margin: 0;
    padding: 0;
}

/* ================================
   CONTENEDOR PRINCIPAL
================================ */
.register-container {
    display: flex;
    min-height: 100vh;
    padding: 20px;
    background-color: white;
    align-items: center;
    justify-content: center;
    transition: opacity 0.4s ease, transform 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}
.register-container.active {
    opacity: 1;
    transform: translateY(0);
}
.hidden {
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* ================================
   TARJETA PRINCIPAL
================================ */
.register-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 6px 22px var(--shadow-color);
    border: 1px solid var(--border-color);
    overflow: hidden;
    max-width: 1000px;
    width: 100%;
    min-height: 550px;
    margin: 0 auto;
    display: flex;
}

/* ================================
   LADO IZQUIERDO (FORMULARIO)
================================ */
.register-left {
    padding: 25px 20px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    background-color: white;
    overflow-y: auto;
}

/* ================================
   LADO DERECHO (LOGO Y TEXTO)
================================ */
.register-right {
    background: white;
    padding: 40px 35px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    min-height: 550px;
    border-left: 1px solid var(--border-color);
}

/* ================================
   TABS
================================ */
.register-tabs {
    display: flex;
    background-color: var(--light-gray);
    border-radius: 8px;
    padding: 3px;
    margin-bottom: 15px;
}

.register-tab {
    flex: 1;
    padding: 8px 10px;
    text-align: center;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    color: var(--accent-gray);
    font-size: 12px;
}

.register-tab.active {
    background: var(--primary-accent);
    color: white;
    box-shadow: 0 2px 8px rgba(35, 64, 90, 0.3);
}

/* ================================
   TÍTULOS
================================ */
.register-title {
    color: var(--primary-accent);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 5px;
    line-height: 1.2;
}

.register-subtitle {
    color: #666;
    font-size: 0.85rem;
    margin-bottom: 20px;
}

/* ================================
   FORMULARIO
================================ */
.register-form-group {
    margin-bottom: 12px;
}

.register-form-label {
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 4px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    display: block;
}

.register-form-control {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--medium-gray);
    border-radius: 6px;
    background-color: var(--light-gray);
    font-size: 13px;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.register-form-control:focus {
    border-color: var(--primary-accent);
    background-color: white;
    box-shadow: 0 0 0 2px rgba(35, 64, 90, 0.1);
    outline: none;
    transform: translateY(-1px);
}

/* ================================
   BOTONES
================================ */
.btn-register {
    width: 100%;
    padding: 12px;
    background: linear-gradient(45deg, var(--primary-accent), #2f6b54);
    border: none;
    border-radius: 6px;
    color: white;
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(35, 64, 90, 0.3);
    margin-top: 8px;
}
.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(35, 64, 90, 0.4);
    background: linear-gradient(45deg, #2f6b54, var(--primary-accent));
}

.btn-back {
    background: #6c757d;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    font-size: 12px;
    margin-bottom: 12px;
    transition: all 0.3s ease;
}
.btn-back:hover {
    background: #5a6268;
    transform: translateY(-1px);
}

/* ================================
   LOGO Y TEXTO CORPORATIVO
================================ */
.register-logo-image {
    width: 280px; /* Ajuste fino visual */
    height: auto;
    max-width: 100%;
    border-radius: 12px;
    margin-bottom: 25px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.register-logo-text {
    font-size: 2.4rem;
    font-weight: bold;
    margin-bottom: 8px;
    color: var(--primary-accent);
}

.register-brand-subtitle {
    font-size: 1rem;
    font-weight: 400;
    color: var(--accent-gray);
    letter-spacing: 1px;
    line-height: 1.6;
    position: relative;
}

/* Línea divisoria  */
.register-brand-subtitle::before {
    content: "";
    display: block;
    width: 60%;
    height: 2px;
    background-color: var(--medium-gray);
    margin: 10px auto 15px;
    border-radius: 2px;
}

/* ================================
   CHECKBOX
================================ */
.form-check {
    margin-bottom: 12px;
}

.form-check-label {
    font-size: 12px;
    color: var(--accent-gray);
}

.form-check-input {
    margin-right: 6px;
    transform: scale(0.9);
}

/* ================================
   ALERTAS
================================ */
.register-alert {
    padding: 8px 12px;
    border-radius: 5px;
    border: none;
    margin-bottom: 12px;
    font-size: 12px;
}
.register-alert-success {
    background-color: #d4edda;
    color: #155724;
    border-left: 3px solid #28a745;
}
.register-alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border-left: 3px solid #dc3545;
}

/* ================================
   RESPONSIVE
================================ */
@media (max-width: 991px) {
    .register-card {
        flex-direction: column;
        max-width: 800px;
    }

    .register-right {
        min-height: 350px;
        padding: 30px 20px;
        border-left: none;
        border-bottom: 1px solid var(--border-color);
    }

    .register-left {
        padding: 20px 15px;
    }

    .register-logo-image {
        width: 240px;
    }

    .register-title {
        font-size: 1.3rem;
    }

    .register-logo-text {
        font-size: 2rem;
    }
}

@media (max-width: 767px) {
    .register-container {
        padding: 15px;
    }

    .register-card {
        border-radius: 12px;
        min-height: 500px;
    }

    .register-right {
        min-height: 280px;
        padding: 20px 15px;
    }

    .register-left {
        padding: 15px;
    }

    .register-logo-image {
        width: 200px;
    }

    .register-title {
        font-size: 1.2rem;
    }

    .register-logo-text {
        font-size: 1.8rem;
    }

    .register-form-control {
        padding: 9px 12px;
    }

    .btn-register {
        padding: 11px;
        font-size: 12px;
    }
}

@media (max-width: 575px) {
    .register-logo-image {
        width: 170px;
    }

    .register-logo-text {
        font-size: 1.6rem;
    }
}

@media (min-width: 992px) {
    .register-left {
        flex: 0 0 58.333333%;
        max-width: 58.333333%;
    }

    .register-right {
        flex: 0 0 41.666667%;
        max-width: 41.666667%;
    }
}