/* =================== AUTH LAYOUT =================== */
:root {
    --primary: #B76E79; --primary-light: #D4979F; --primary-soft: #F8E8EE;
    --accent: #D4AF37; --bg: #FFF8F0; --dark: #4A1942; --dark-light: #6B2D5B;
    --rose-gold: var(--primary); --rose-gold-light: var(--primary-light);
    --soft-pink: var(--primary-soft); --warm-gold: var(--accent);
    --cream: var(--bg); --deep-plum: var(--dark); --plum-light: var(--dark-light);
    --white: #fff;
    --text-dark: #2D2D2D;
    --text-muted: #8E8E8E;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Poppins', sans-serif; color: var(--text-dark); overflow-x: hidden; min-height: 100vh; }
h1,h2,h3,h4,h5 { font-family: 'Playfair Display', serif; }

/* ===== SPLIT SCREEN LAYOUT ===== */
.auth-wrapper { display: flex; min-height: 100vh; }

/* --- LEFT PANEL --- */
.auth-left {
    width: 40%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 60px 40px;
}
.auth-left-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(74,25,66,0.8) 0%, rgba(107,45,91,0.7) 40%, rgba(183,110,121,0.75) 100%);
    z-index: 1;
}
.auth-left::before {
    content: '';
    position: absolute;
    top: -120px;
    right: -120px;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: rgba(212,175,55,0.1);
    pointer-events: none;
    z-index: 2;
}
.auth-left::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -80px;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: rgba(183,110,121,0.15);
    pointer-events: none;
    z-index: 2;
}

/* --- RIGHT PANEL --- */
.auth-right {
    width: 60%;
    background: rgba(255,248,240,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 40px;
    border-left: 1px solid rgba(183,110,121,0.1);
}
.auth-right-inner {
    width: 100%; max-width: 440px;
}

/* ── PHASE 1 : Panneau gauche d'abord ── */
.left-content {
    animation: authSlideRight 1s cubic-bezier(0.22, 1, 0.36, 1) 0.1s both;
}
@keyframes authSlideRight {
    from { opacity: 0; transform: translateX(-60px) scale(0.9); }
    to   { opacity: 1; transform: translateX(0) scale(1); }
}

.left-icon {
    animation: authIconPulse 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.4s both;
}
@keyframes authIconPulse {
    0%   { opacity: 0; transform: scale(0); }
    60%  { transform: scale(1.2); }
    100% { opacity: 1; transform: scale(1); }
}

.gold-line {
    animation: authLineExpand 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.7s both;
}
@keyframes authLineExpand {
    from { width: 0; opacity: 0; }
    to   { width: 60px; opacity: 1; }
}

.left-features li {
    animation: authFeatureIn 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.left-features li:nth-child(1) { animation-delay: 0.9s; }
.left-features li:nth-child(2) { animation-delay: 1.0s; }
.left-features li:nth-child(3) { animation-delay: 1.1s; }
.left-features li:nth-child(4) { animation-delay: 1.2s; }
@keyframes authFeatureIn {
    from { opacity: 0; transform: translateX(-20px); }
    to   { opacity: 0.9; transform: translateX(0); }
}

/* ── PHASE 2 : Formulaire droit APRÈS le gauche (delay ~1.4s) ── */
.form-logo       { animation: authFormEl 0.7s cubic-bezier(0.22, 1, 0.36, 1) 1.4s both; }
.auth-right h3   { animation: authFormEl 0.7s cubic-bezier(0.22, 1, 0.36, 1) 1.55s both; }
.form-tagline    { animation: authFormEl 0.7s cubic-bezier(0.22, 1, 0.36, 1) 1.65s both; }
.alert-luxury    { animation: authFormEl 0.7s cubic-bezier(0.22, 1, 0.36, 1) 1.7s both; }

/* Form fields stagger — couvre .form-group-luxury ET .form-group */
.form-group-luxury,
.auth-right .form-group { animation: authFormEl 0.7s cubic-bezier(0.22, 1, 0.36, 1) both; }

.form-group-luxury:nth-of-type(1),
.auth-right .form-group:nth-of-type(1) { animation-delay: 1.8s; }
.form-group-luxury:nth-of-type(2),
.auth-right .form-group:nth-of-type(2) { animation-delay: 1.95s; }
.form-group-luxury:nth-of-type(3),
.auth-right .form-group:nth-of-type(3) { animation-delay: 2.1s; }
.form-group-luxury:nth-of-type(4),
.auth-right .form-group:nth-of-type(4) { animation-delay: 2.25s; }
.form-group-luxury:nth-of-type(5),
.auth-right .form-group:nth-of-type(5) { animation-delay: 2.4s; }

.form-extras     { animation: authFormEl 0.7s cubic-bezier(0.22, 1, 0.36, 1) 2.5s both; }
.btn-luxury      { animation: authBtnIn 0.8s cubic-bezier(0.22, 1, 0.36, 1) 2.6s both; }
.divider-luxury  { animation: authFormEl 0.6s cubic-bezier(0.22, 1, 0.36, 1) 2.75s both; }
.btn-register-luxury { animation: authFormEl 0.6s cubic-bezier(0.22, 1, 0.36, 1) 2.85s both; }
.back-link       { animation: authFormEl 0.6s cubic-bezier(0.22, 1, 0.36, 1) 2.95s both; }
.password-hint   { animation: authFormEl 0.5s cubic-bezier(0.22, 1, 0.36, 1) 2.2s both; }

@keyframes authFormEl {
    from { opacity: 0; transform: translateY(25px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes authBtnIn {
    from { opacity: 0; transform: translateY(25px) scale(0.9); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ===== LEFT PANEL CONTENT ===== */
.left-content { position: relative; z-index: 3; color: white; text-align: center; }
.left-content h2 { font-size: 32px; font-weight: 700; line-height: 1.3; margin-bottom: 12px; }
.left-content h2 span { color: var(--accent); }
.gold-line {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--primary-light));
    margin: 0 auto 20px;
    border-radius: 3px;
}
.left-subtitle { font-size: 14px; opacity: 0.85; line-height: 1.7; margin-bottom: 30px; }
.left-features { list-style: none; padding: 0; text-align: left; max-width: 280px; margin: 0 auto; }
.left-features li {
    padding: 10px 0;
    font-size: 14px;
    font-weight: 500;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 12px;
}
.left-features li i { width: 20px; text-align: center; color: var(--accent); font-size: 16px; }
.left-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255,255,255,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 32px;
    color: var(--accent);
    border: 2px solid rgba(212,175,55,0.3);
}

/* ===== FORM STYLES ===== */
.form-logo {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--dark));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 24px;
    color: white;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}
.auth-right h3 {
    text-align: center;
    font-size: 26px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 6px;
}
.form-tagline { text-align: center; color: var(--text-muted); font-size: 14px; margin-bottom: 28px; }

/* Alerts */
.alert-luxury {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 18px;
    border-radius: 12px;
    font-size: 13px;
    margin-bottom: 20px;
    line-height: 1.5;
}
.alert-luxury i { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.alert-luxury ul { margin: 0; padding-left: 16px; }
.alert-danger { background: #fff0f0; border-left: 4px solid #e74c3c; color: #c0392b; }
.alert-success { background: #f0faf0; border-left: 4px solid #27ae60; color: #1e8449; }

/* Form groups */
.form-group-luxury { margin-bottom: 20px; }
.form-group-luxury label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 6px;
}
.form-group-luxury label i { color: var(--primary); margin-right: 4px; width: 16px; text-align: center; }

/* Inputs */
.input-luxury {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e8dfe2;
    border-radius: 12px;
    font-size: 14px;
    font-family: 'Poppins', sans-serif;
    color: var(--text-dark);
    background: white;
    transition: all 0.3s ease;
    outline: none;
}
.input-luxury:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(183,110,121,0.1); }
.input-luxury::placeholder { color: #c0b8bb; }
.input-luxury.is-invalid { border-color: #e74c3c; }

/* Password wrapper */
.password-wrapper { position: relative; }
.password-wrapper .input-luxury { padding-right: 50px; }
.password-toggle {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
    padding: 4px;
    transition: color 0.3s;
}
.password-toggle:hover { color: var(--primary); }

/* Form extras (remember + forgot) */
.form-extras {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

/* Custom checkbox */
.custom-check-luxury {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-dark);
    cursor: pointer;
    margin: 0;
}
.custom-check-luxury input[type="checkbox"] {
    width: 18px;
    height: 18px;
    border-radius: 5px;
    border: 2px solid #e8dfe2;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    transition: all 0.3s;
    flex-shrink: 0;
}
.custom-check-luxury input[type="checkbox"]:checked {
    background: var(--primary);
    border-color: var(--primary);
    background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='white' xmlns='http://www.w3.org/2000/svg'%3e%3cpath d='M12.207 4.793a1 1 0 010 1.414l-5 5a1 1 0 01-1.414 0l-2-2a1 1 0 011.414-1.414L6.5 9.086l4.293-4.293a1 1 0 011.414 0z'/%3e%3c/svg%3e");
    background-size: 12px;
    background-position: center;
    background-repeat: no-repeat;
}

/* Forgot link */
.forgot-link { font-size: 13px; color: var(--primary); text-decoration: none; font-weight: 500; transition: color 0.3s; }
.forgot-link:hover { color: var(--dark); text-decoration: none; }

/* Primary button */
.btn-luxury {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--primary), var(--dark));
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.btn-luxury:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,0,0,0.2); }
.btn-luxury:active { transform: translateY(0); }

/* Divider */
.divider-luxury { text-align: center; margin: 24px 0; position: relative; }
.divider-luxury::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #e8dfe2;
}
.divider-luxury span {
    position: relative;
    background: var(--bg);
    padding: 0 16px;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
}

/* Register button */
.btn-register-luxury {
    display: block;
    width: 100%;
    padding: 14px;
    text-align: center;
    border: 2px solid var(--primary-light);
    border-radius: 12px;
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    background: transparent;
}
.btn-register-luxury:hover {
    background: var(--primary-soft);
    border-color: var(--primary);
    color: var(--primary);
    text-decoration: none;
    transform: translateY(-2px);
}

/* Back link */
.back-link {
    display: block;
    text-align: center;
    margin-top: 20px;
    color: var(--text-muted);
    font-size: 13px;
    text-decoration: none;
    transition: color 0.3s;
}
.back-link:hover { color: var(--primary); text-decoration: none; }
.back-link i { margin-right: 4px; }

/* ===== DARK THEME ===== */
.dark-theme .auth-right { background: rgba(26,26,46,0.9); border-left-color: rgba(255,255,255,0.05); }
.dark-theme .auth-right h3 { color: #E8E8E8; }
.dark-theme .form-tagline { color: #999; }
.dark-theme .form-group-luxury label { color: #ccc; }
.dark-theme .input-luxury { background: #252540; border-color: #333355; color: #E8E8E8; }
.dark-theme .input-luxury:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(183,110,121,0.15); }
.dark-theme .input-luxury::placeholder { color: #666; }
.dark-theme .custom-check-luxury { color: #ccc; }
.dark-theme .custom-check-luxury input[type="checkbox"] { border-color: #444; background: #252540; }
.dark-theme .divider-luxury span { background: #1a1a2e; }
.dark-theme .divider-luxury::before { background: #333; }
.dark-theme .btn-register-luxury { border-color: #444; color: var(--primary-light); }
.dark-theme .btn-register-luxury:hover { background: rgba(183,110,121,0.1); }
.dark-theme .back-link { color: #888; }
.dark-theme .alert-danger { background: #2d1520; border-left-color: #e74c3c; color: #f5a0a0; }
.dark-theme .alert-success { background: #152d1a; border-left-color: #27ae60; color: #a0f5a8; }

/* ===== RESPONSIVE ===== */
@media (max-width: 991px) {
    .auth-wrapper { flex-direction: column; }
    .auth-left { width: 100%; min-height: 240px; padding: 40px 30px; }
    .auth-right { width: 100%; padding: 40px 24px; }
    .left-content h2 { font-size: 24px; }
    .left-subtitle { display: none; }
    .left-features { display: none; }
}
@media (max-width: 576px) {
    .auth-left { min-height: 200px; padding: 30px 20px; }
    .auth-right { padding: 30px 20px; }
    .left-icon { width: 60px; height: 60px; font-size: 24px; margin-bottom: 16px; }
    .left-content h2 { font-size: 20px; }
    .form-extras { flex-direction: column; gap: 10px; align-items: flex-start; }
}