/* ============================================================
   SISTEMA DE CONTROL ELECTORAL
   Archivo: assets/css/login.css
   Descripción: Estilos específicos de la pantalla de login
   Requiere: assets/css/styles.css (define las variables --sice-*)
   ============================================================ */


/* ============================================================
   1. CONTENEDOR PRINCIPAL
   ============================================================ */
.sice-login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    position: relative;
    overflow: hidden;

    /* Fondo con degradados radiales sutiles */
    background:
        radial-gradient(1200px 600px at 15% -10%, rgba(59, 130, 246, 0.18), transparent 60%),
        radial-gradient(900px 500px at 100% 110%, rgba(6, 182, 212, 0.14), transparent 60%),
        radial-gradient(700px 400px at 50% 50%, rgba(15, 23, 42, 0.6), transparent 70%),
        var(--sice-bg-body);
}


/* ============================================================
   2. DECORACIÓN DE FONDO (círculos difusos animados)
   ============================================================ */
.sice-login-page::before,
.sice-login-page::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.35;
    pointer-events: none;
    z-index: 0;
}

.sice-login-page::before {
    width: 380px;
    height: 380px;
    background: var(--sice-primary);
    top: -120px;
    left: -100px;
    animation: sice-float 12s ease-in-out infinite;
}

.sice-login-page::after {
    width: 320px;
    height: 320px;
    background: var(--sice-info);
    bottom: -120px;
    right: -100px;
    animation: sice-float 14s ease-in-out infinite reverse;
}

@keyframes sice-float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50%      { transform: translate(20px, -20px) scale(1.08); }
}


/* ============================================================
   3. TARJETA DE LOGIN
   ============================================================ */
.sice-login-card {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 440px;
    background: var(--sice-bg-surface);
    border: 1px solid var(--sice-border);
    border-radius: var(--sice-radius-lg);
    padding: 40px 36px;
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.55),
        0 0 0 1px rgba(255, 255, 255, 0.02) inset;
    animation: sice-login-fade 0.5s ease-out;
}

@keyframes sice-login-fade {
    from { opacity: 0; transform: translateY(15px); }
    to   { opacity: 1; transform: translateY(0); }
}


/* ============================================================
   4. MARCA / LOGO
   ============================================================ */
.sice-login-brand {
    text-align: center;
    margin-bottom: 32px;
}

.sice-login-brand .sice-login-logo {
    width: 68px;
    height: 68px;
    margin: 0 auto 14px;
    border-radius: var(--sice-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--sice-primary), var(--sice-info));
    color: #fff;
    font-size: 30px;
    box-shadow: 0 10px 24px rgba(59, 130, 246, 0.35);
}

.sice-login-brand .sice-login-logo img {
    max-width: 42px;
    max-height: 42px;
}

.sice-login-brand h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--sice-text);
    margin: 0 0 6px;
    letter-spacing: -0.01em;
}

.sice-login-brand p {
    color: var(--sice-text-muted);
    font-size: 13px;
    margin: 0;
}


/* ============================================================
   5. FORMULARIO
   ============================================================ */
.sice-login-form .form-label {
    color: var(--sice-text-muted);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

/* Inputs con ícono a la izquierda */
.sice-input-icon {
    position: relative;
}

.sice-input-icon > i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--sice-text-dim);
    font-size: 16px;
    pointer-events: none;
    transition: var(--sice-transition);
}

.sice-input-icon .form-control {
    padding-left: 42px;
    padding-right: 42px;
    height: 46px;
    background-color: var(--sice-bg-input);
    border: 1px solid var(--sice-border);
    border-radius: var(--sice-radius-sm);
    color: var(--sice-text);
    font-size: 14px;
    transition: var(--sice-transition);
}

.sice-input-icon .form-control::placeholder {
    color: var(--sice-text-dim);
}

.sice-input-icon .form-control:focus {
    border-color: var(--sice-primary);
    background-color: var(--sice-bg-input);
    box-shadow: 0 0 0 4px var(--sice-primary-soft);
}

.sice-input-icon .form-control:focus ~ i {
    color: var(--sice-primary);
}

/* Botón para ver/ocultar contraseña */
.sice-input-icon .sice-toggle-pass {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--sice-text-dim);
    cursor: pointer;
    padding: 4px 6px;
    font-size: 16px;
    border-radius: var(--sice-radius-sm);
    transition: var(--sice-transition);
}

.sice-input-icon .sice-toggle-pass:hover {
    color: var(--sice-text);
    background-color: var(--sice-bg-surface-2);
}


/* ============================================================
   6. RECORDAR Y OLVIDÉ MI CONTRASEÑA
   ============================================================ */
.sice-login-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 14px 0 22px;
    font-size: 13px;
}

.sice-login-options .form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
}

.sice-login-options .form-check-input {
    margin-top: 0;
    cursor: pointer;
}

.sice-login-options .form-check-label {
    color: var(--sice-text-muted);
    cursor: pointer;
    user-select: none;
}

.sice-login-options a {
    color: var(--sice-primary);
    font-size: 13px;
}

.sice-login-options a:hover {
    color: var(--sice-primary-hover);
    text-decoration: underline;
}


/* ============================================================
   7. BOTÓN PRINCIPAL
   ============================================================ */
.sice-login-btn {
    width: 100%;
    height: 46px;
    border: none;
    border-radius: var(--sice-radius-sm);
    background: linear-gradient(135deg, var(--sice-primary), var(--sice-primary-hover));
    color: #fff;
    font-size: 14.5px;
    font-weight: 600;
    letter-spacing: 0.02em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    transition: var(--sice-transition);
    box-shadow: 0 6px 18px rgba(59, 130, 246, 0.35);
}

.sice-login-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--sice-primary-hover), #1d4ed8);
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(59, 130, 246, 0.45);
}

.sice-login-btn:active:not(:disabled) {
    transform: translateY(0);
}

.sice-login-btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    box-shadow: none;
}

/* Spinner del botón */
.sice-login-btn .sice-btn-spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: sice-spin 0.7s linear infinite;
}

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

.sice-login-btn.loading .sice-btn-text {
    display: none;
}

.sice-login-btn.loading .sice-btn-spinner {
    display: inline-block;
}


/* ============================================================
   8. ENLACES SECUNDARIOS
   ============================================================ */
.sice-login-footer {
    text-align: center;
    margin-top: 26px;
    padding-top: 20px;
    border-top: 1px solid var(--sice-border);
    font-size: 13px;
    color: var(--sice-text-muted);
}

.sice-login-footer a {
    color: var(--sice-primary);
    font-weight: 500;
}

.sice-login-footer a:hover {
    color: var(--sice-primary-hover);
    text-decoration: underline;
}


/* ============================================================
   9. ALERTAS DENTRO DE LA TARJETA
   ============================================================ */
.sice-login-card .alert {
    border-radius: var(--sice-radius-sm);
    font-size: 13px;
    padding: 10px 14px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sice-login-card .alert i {
    font-size: 16px;
    flex-shrink: 0;
}


/* ============================================================
   10. VERSIÓN / COPYRIGHT
   ============================================================ */
.sice-login-version {
    position: absolute;
    bottom: 16px;
    left: 0;
    right: 0;
    text-align: center;
    color: var(--sice-text-dim);
    font-size: 12px;
    z-index: 1;
}

.sice-login-version span {
    color: var(--sice-text-muted);
}


/* ============================================================
   11. RESPONSIVE
   ============================================================ */
@media (max-width: 480px) {
    .sice-login-card {
        padding: 30px 22px;
        border-radius: var(--sice-radius);
    }

    .sice-login-brand h1 {
        font-size: 19px;
    }

    .sice-login-brand .sice-login-logo {
        width: 58px;
        height: 58px;
        font-size: 26px;
    }

    .sice-login-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .sice-login-page::before,
    .sice-login-page::after {
        filter: blur(70px);
        opacity: 0.25;
    }
}