/* =====================================================================
   CHI — Estilos base para auth y home temporal.
   ===================================================================== */

:root {
    --chi-crema:       #f7f4ee;
    --chi-blanco:      #ffffff;
    --chi-beige:       #e8e2d5;
    --chi-verde-salvia:#8ba888;
    --chi-verde-profun:#2c3a2e;
    --chi-dorado:      #c9a961;
    --chi-texto:       #2c3a2e;
    --chi-texto-suave: #6b7c6e;
    --chi-error:       #b04a4a;
    --chi-success:     #2c6b35;
    --chi-info:        #4a6b8a;

    --chi-radius:      12px;
    --chi-radius-sm:   8px;
    --chi-shadow:      0 4px 24px rgba(44, 58, 46, 0.08);
    --chi-font-serif:  Georgia, 'Times New Roman', serif;
    --chi-font-sans:   system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

.chi-body {
    font-family: var(--chi-font-sans);
    background: var(--chi-crema);
    color: var(--chi-texto);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.chi-container {
    width: 100%;
    max-width: 520px;
    background: var(--chi-blanco);
    border-radius: var(--chi-radius);
    box-shadow: var(--chi-shadow);
    padding: 40px 32px;
}

.chi-container-narrow {
    max-width: 480px;
}

/* HEADER --------------------------------------------------------- */

.chi-header {
    text-align: center;
    margin-bottom: 32px;
}

.chi-logo {
    font-family: var(--chi-font-serif);
    font-size: 42px;
    font-weight: 400;
    letter-spacing: 0.15em;
    color: var(--chi-verde-profun);
    text-decoration: none;
    display: inline-block;
    line-height: 1;
}

.chi-tagline {
    font-size: 12px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--chi-texto-suave);
    margin-top: 8px;
}

/* MAIN ----------------------------------------------------------- */

.chi-main h1 {
    font-family: var(--chi-font-serif);
    font-size: 28px;
    font-weight: 400;
    color: var(--chi-verde-profun);
    margin: 0 0 8px;
}

.chi-lead {
    color: var(--chi-texto-suave);
    font-size: 15px;
    margin: 0 0 28px;
}

.chi-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 24px;
}

/* FORM ----------------------------------------------------------- */

.chi-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.chi-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.chi-field label {
    font-size: 13px;
    font-weight: 500;
    color: var(--chi-verde-profun);
    letter-spacing: 0.02em;
}

.chi-field label small {
    color: var(--chi-texto-suave);
    font-weight: 400;
    font-size: 12px;
}

.chi-field input {
    font-family: inherit;
    font-size: 15px;
    padding: 12px 14px;
    border: 1px solid var(--chi-beige);
    border-radius: var(--chi-radius-sm);
    background: var(--chi-crema);
    color: var(--chi-texto);
    transition: border-color 0.2s, background 0.2s;
}

.chi-field input:focus {
    outline: none;
    border-color: var(--chi-verde-salvia);
    background: var(--chi-blanco);
}

/* BOTONES -------------------------------------------------------- */

.chi-btn {
    display: inline-block;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-decoration: none;
    text-align: center;
    padding: 14px 24px;
    border-radius: var(--chi-radius-sm);
    border: none;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

.chi-btn:active {
    transform: translateY(1px);
}

.chi-btn-primary {
    background: var(--chi-verde-profun);
    color: var(--chi-blanco);
}

.chi-btn-primary:hover {
    background: #1f2a21;
}

.chi-btn-secondary {
    background: var(--chi-beige);
    color: var(--chi-verde-profun);
}

.chi-btn-secondary:hover {
    background: #dcd4c2;
}

.chi-btn-block {
    display: block;
    width: 100%;
    margin-top: 8px;
}

/* LINKS ---------------------------------------------------------- */

.chi-links {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 24px;
    font-size: 14px;
    color: var(--chi-texto-suave);
    flex-wrap: wrap;
}

.chi-links a {
    color: var(--chi-verde-profun);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.chi-links a:hover {
    border-bottom-color: var(--chi-dorado);
}

/* FLASH MESSAGES ------------------------------------------------ */

.chi-flash {
    padding: 12px 16px;
    border-radius: var(--chi-radius-sm);
    font-size: 14px;
    margin-bottom: 16px;
}

.chi-flash-success {
    background: #eef7ef;
    color: var(--chi-success);
    border-left: 3px solid var(--chi-success);
}

.chi-flash-error {
    background: #fbeaea;
    color: var(--chi-error);
    border-left: 3px solid var(--chi-error);
}

.chi-flash-info {
    background: #eaf1f7;
    color: var(--chi-info);
    border-left: 3px solid var(--chi-info);
}

.chi-flash-warning {
    background: #fdf6e3;
    color: #8a6d1f;
    border-left: 3px solid var(--chi-dorado);
}

/* FOOTER --------------------------------------------------------- */

.chi-footer {
    text-align: center;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--chi-beige);
    font-size: 13px;
    color: var(--chi-texto-suave);
}

.chi-footer a {
    color: var(--chi-texto-suave);
    text-decoration: none;
}

.chi-footer a:hover {
    color: var(--chi-verde-profun);
}

/* =====================================================================
   PANTALLA "ELEGIR TIPO DE CUENTA"
   ===================================================================== */

.chi-elegir-tipo {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 24px;
}

.chi-elegir-card {
    display: block;
    padding: 26px 22px;
    background: #fff;
    border: 1px solid #e8e2d7;
    border-radius: 16px;
    text-decoration: none;
    color: inherit;
    transition: .2s ease;
    text-align: center;
}

.chi-elegir-card:hover {
    border-color: #b99554;
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(36, 51, 42, .08);
}

.chi-elegir-icono {
    font-size: 42px;
    margin-bottom: 14px;
}

.chi-elegir-card h2 {
    font-family: Georgia, serif;
    font-size: 20px;
    font-weight: 400;
    color: #2c3a2e;
    margin: 0 0 8px;
}

.chi-elegir-card p {
    font-size: 13px;
    color: #6b7c6e;
    line-height: 1.55;
    margin: 0 0 20px;
}

.chi-elegir-btn {
    display: inline-block;
    padding: 10px 20px;
    background: #2c3a2e;
    color: #fff;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.chi-elegir-card-dest {
    border-color: #ecd9a8;
    background: #fdf9f0;
}

.chi-elegir-card-dest .chi-elegir-btn {
    background: #b99554;
}

/* RESPONSIVE ----------------------------------------------------- */

@media (max-width: 560px) {
    .chi-elegir-tipo {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .chi-container {
        padding: 28px 22px;
    }
    .chi-logo {
        font-size: 34px;
    }
    .chi-main h1 {
        font-size: 24px;
    }
}