/* ===== VILLA STRONG GYM - LOGIN CSS ===== */
:root {
    --dark-navy: #0D1B2A;
    --navy: #1A2535;
    --orange: #FF6B2B;
    --gold: #F5C842;
    --white: #FFFFFF;
    --light-gray: #F4F6F8;
    --text-muted: #8A95A3;
    --gradient-accent: linear-gradient(90deg, #FF6B2B, #F5C842);
    --font-display: 'Bebas Neue', sans-serif;
    --font-body: 'Roboto', sans-serif;
    --radius: 12px;
    --radius-sm: 6px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--light-gray); overflow-x: hidden; min-height: 100vh; }
img { max-width: 100%; display: block; }
a { text-decoration: none; }

.whatsapp-btn {
    position: fixed; bottom: 24px; right: 24px; z-index: 999;
    background: #25D366; color: var(--white);
    width: 52px; height: 52px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px; box-shadow: 0 4px 16px rgba(37,211,102,0.5);
    transition: var(--transition);
}
.whatsapp-btn:hover { transform: scale(1.1); }

/* LAYOUT */
.login-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
}

/* LEFT */
.login-left {
    position: relative;
    background: var(--dark-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 40px;
    overflow: hidden;
}
.login-left-bg {
    position: absolute; inset: 0;
    background: url('https://images.unsplash.com/photo-1534438327276-14e5300c3a48?w=900&q=70') center/cover;
    opacity: 0.18;
}
.login-left-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(13,27,42,0.95) 0%, rgba(30,144,255,0.15) 100%);
}
.login-left-content {
    position: relative; z-index: 2;
    max-width: 420px;
    width: 100%;
}
.back-link {
    display: inline-flex; align-items: center; gap: 8px;
    color: rgba(255,255,255,0.5); font-size: 13px; font-weight: 600;
    margin-bottom: 48px; transition: var(--transition);
    letter-spacing: 0.05em;
}
.back-link:hover { color: var(--orange); }
.back-link i { font-size: 12px; }
.brand-logo img {
    width: 80px; height: 80px; border-radius: 50%; object-fit: cover;
    border: 3px solid var(--orange); margin-bottom: 28px;
    box-shadow: 0 0 24px rgba(255,107,43,0.4);
}
.login-left-content h1 {
    font-family: var(--font-display);
    font-size: clamp(40px, 5vw, 60px);
    color: var(--white); line-height: 1;
    margin-bottom: 16px; letter-spacing: 0.02em;
}
.accent { color: var(--orange); }
.login-left-content p {
    color: rgba(255,255,255,0.55); font-size: 15px; line-height: 1.7;
    margin-bottom: 36px;
}
.login-benefits { display: flex; flex-direction: column; gap: 16px; margin-bottom: 40px; }
.benefit-item {
    display: flex; align-items: center; gap: 14px;
    color: rgba(255,255,255,0.7); font-size: 14px;
}
.benefit-item i {
    width: 36px; height: 36px; border-radius: var(--radius-sm);
    background: rgba(255,107,43,0.15); border: 1px solid rgba(255,107,43,0.25);
    color: var(--orange); display: flex; align-items: center; justify-content: center;
    font-size: 15px; flex-shrink: 0;
}
.login-social { display: flex; gap: 12px; }
.login-social a {
    width: 38px; height: 38px; border-radius: 50%;
    background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12);
    color: rgba(255,255,255,0.6); display: flex; align-items: center; justify-content: center;
    font-size: 15px; transition: var(--transition);
}
.login-social a:hover { background: var(--orange); border-color: var(--orange); color: var(--white); }

/* RIGHT */
.login-right {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 40px;
    background: var(--white);
}
.login-form-wrap { width: 100%; max-width: 420px; }

/* TABS */
.login-tabs {
    display: flex;
    background: var(--light-gray);
    border-radius: 32px;
    padding: 4px;
    margin-bottom: 36px;
}
.tab-btn {
    flex: 1;
    padding: 11px;
    border: none;
    background: none;
    border-radius: 28px;
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.05em;
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition);
}
.tab-btn.active {
    background: var(--dark-navy);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(13,27,42,0.2);
}

/* FORMS */
.auth-form h2 {
    font-size: 24px; font-weight: 800; color: var(--dark-navy);
    margin-bottom: 6px;
}
.form-subtitle { font-size: 14px; color: var(--text-muted); margin-bottom: 28px; }
.auth-form.hidden { display: none; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { margin-bottom: 18px; }
.form-group label {
    display: flex; align-items: center; gap: 7px;
    font-size: 12px; font-weight: 700; letter-spacing: 0.08em;
    text-transform: uppercase; color: var(--dark-navy); margin-bottom: 8px;
}
.form-group label i { color: var(--orange); font-size: 12px; }
.form-group input,
.form-group select {
    width: 100%;
    padding: 13px 16px;
    border: 1.5px solid #DDE3EC;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--dark-navy);
    outline: none;
    transition: var(--transition);
    background: var(--white);
}
.form-group input::placeholder { color: #B0BAC8; }
.form-group input:focus, .form-group select:focus {
    border-color: var(--orange);
    box-shadow: 0 0 0 3px rgba(255,107,43,0.1);
}
.password-group { position: relative; }
.toggle-pass {
    position: absolute; right: 14px; top: 42px;
    background: none; border: none; cursor: pointer;
    color: var(--text-muted); font-size: 16px; transition: var(--transition);
}
.toggle-pass:hover { color: var(--orange); }
.form-options {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 24px;
}
.remember-me {
    display: flex; align-items: center; gap: 8px;
    font-size: 13px; color: #4A5568; cursor: pointer;
}
.remember-me input { accent-color: var(--orange); width: 15px; height: 15px; }
.forgot-link { font-size: 13px; color: var(--orange); font-weight: 600; transition: var(--transition); }
.forgot-link:hover { color: var(--dark-navy); }
.terms-check {
    display: flex; align-items: flex-start; gap: 10px;
    font-size: 13px; color: #4A5568; cursor: pointer;
    margin-bottom: 24px; line-height: 1.5;
}
.terms-check input { accent-color: var(--orange); margin-top: 2px; flex-shrink: 0; }
.terms-check a { color: var(--orange); font-weight: 600; }
.btn-submit {
    width: 100%;
    display: flex; align-items: center; justify-content: center; gap: 10px;
    background: var(--gradient-accent);
    color: var(--dark-navy);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 16px;
    border-radius: 32px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 24px;
}
.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255,107,43,0.4); }
.form-divider {
    text-align: center; position: relative; margin-bottom: 20px;
    color: var(--text-muted); font-size: 13px;
}
.form-divider::before, .form-divider::after {
    content: '';
    position: absolute;
    top: 50%; width: calc(50% - 60px);
    height: 1px; background: #DDE3EC;
}
.form-divider::before { left: 0; }
.form-divider::after { right: 0; }
.social-login { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.social-login-btn {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 13px; font-weight: 700;
    cursor: pointer; transition: var(--transition); border: 1.5px solid;
}
.social-login-btn.google { border-color: #DB4437; color: #DB4437; background: rgba(219,68,55,0.05); }
.social-login-btn.google:hover { background: #DB4437; color: var(--white); }
.social-login-btn.facebook { border-color: #1877F2; color: #1877F2; background: rgba(24,119,242,0.05); }
.social-login-btn.facebook:hover { background: #1877F2; color: var(--white); }
.alert-error {
    display: flex; align-items: center; gap: 10px;
    background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.25);
    color: #DC2626; padding: 12px 16px; border-radius: var(--radius-sm);
    font-size: 13px; margin-bottom: 20px;
}
.alert-success {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(34, 197, 94, 0.08);   /* Verde claro de fondo */
    border: 1px solid rgba(34, 197, 94, 0.25); /* Borde verde suave */
    color: #15803d;                        /* Texto verde oscuro */
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 20px;
}
.login-footer-note {
    text-align: center; font-size: 12px; color: var(--text-muted);
    margin-top: 24px;
}
.login-footer-note a { color: var(--orange); font-weight: 600; }

/* RESPONSIVE */
@media(max-width:768px){
    .login-wrapper { grid-template-columns: 1fr; }
    .login-left { display: none; }
    .login-right { padding: 40px 24px; min-height: 100vh; }
}

/* Mobile back link injected by JS */
.mobile-back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--dark-navy);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-decoration: none;
    margin-bottom: 28px;
    padding: 10px 18px;
    border: 1.5px solid #DDE3EC;
    border-radius: 32px;
    transition: var(--transition);
    width: 100%;
    justify-content: center;
}
.mobile-back-link:hover {
    background: var(--dark-navy);
    color: var(--white);
    border-color: var(--dark-navy);
}
@media(max-width:480px){
    .form-row { grid-template-columns: 1fr; }
    .login-right { padding: 32px 16px; }
}
@media(max-width:120px){
    html { font-size: 9px; }
    .login-right { padding: 16px 6px; }
    .whatsapp-btn { width: 32px; height: 32px; font-size: 14px; }
}