/* 
    Cou Thailand Luxury Login Stylesheet
    Version: 5.1 (Full Luxury Match)
*/

:root {
    --primary: #66FFFF;
    --primary-hover: #00E5E5;
    --primary-glow: rgba(102, 255, 255, 0.3);
    --bg-dark: #020617;
    --card-bg: #111111;
    --glass-border: rgba(102, 255, 255, 0.15);
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --error: #f43f5e;
    --transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

* {
    margin: 0; padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

body {
    background: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow-x: hidden;
}

/* --- Background Orbs --- */
.creative-universe { position: fixed; inset: 0; z-index: -1; }
.orb {
    position: absolute; border-radius: 50%; filter: blur(120px);
    opacity: 0.2; animation: orbMove 25s infinite alternate ease-in-out;
}
.orb-1 { width: 600px; height: 600px; background: var(--primary); top: -15%; left: -10%; }
.orb-2 { width: 500px; height: 500px; background: #3b82f6; bottom: -10%; right: -5%; }

@keyframes orbMove {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 50px) scale(1.15); }
}

/* --- Card Structure --- */
.register-wrapper { width: 100%; max-width: 950px; }
.login-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 32px;
    display: flex;
    min-height: 600px;
    overflow: hidden;
    box-shadow: 0 50px 100px -20px rgba(0,0,0,0.6);
    animation: modalFadeUp 0.8s var(--transition);
}

@keyframes modalFadeUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Side Info (Dark Side) --- */
.luxury-side-info {
    width: 38%;
    background: linear-gradient(165deg, #1a1a1a 0%, #000000 100%);
    padding: 60px 45px;
    display: flex;
    flex-direction: column;
    position: relative;
    border-right: 1px solid rgba(255,255,255,0.03);
}

/* Language Selector (เหมือนหน้า Register) */
.lang-wrapper { position: absolute; top: 35px; right: 35px; z-index: 100; }
.lang-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 10px 18px; border-radius: 14px; color: #fff;
    font-size: 12px; font-weight: 600; cursor: pointer;
    display: flex; align-items: center; gap: 12px; transition: var(--transition);
}
.lang-btn:hover { background: rgba(102, 255, 255, 0.1); border-color: var(--primary); }

.lang-menu {
    position: absolute; top: calc(100% + 10px); right: 0;
    background: rgba(20, 20, 20, 0.95); border: 1px solid var(--glass-border);
    border-radius: 16px; width: 140px; padding: 8px;
    opacity: 0; visibility: hidden; transform: translateY(10px); transition: 0.3s;
}
.lang-menu.show { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-menu li {
    padding: 10px 15px; color: #94a3b8; font-size: 13px; cursor: pointer; border-radius: 10px;
    display: flex; justify-content: space-between;
}
.lang-menu li:hover { background: rgba(102, 255, 255, 0.15); color: var(--primary); }

.brand-logo { width: 55px; height: 55px; margin-bottom: 40px; }
.logo-inner {
    width: 100%; height: 100%;
    background: linear-gradient(135deg, var(--primary), #3b82f6);
    border-radius: 16px; transform: rotate(45deg);
}

.badge-cyan { color: var(--primary); font-size: 10px; font-weight: 800; letter-spacing: 2.5px; text-transform: uppercase; margin-bottom: 12px; }
.side-title { color: #fff; font-size: 32px; font-weight: 800; margin-bottom: 25px; line-height: 1.15; }
.divider-cyan { width: 45px; height: 4px; background: var(--primary); margin-bottom: 40px; }

.benefit-list { list-style: none; margin-bottom: auto; }
.benefit-list li { color: #94a3b8; font-size: 14px; margin-bottom: 20px; display: flex; align-items: center; gap: 15px; }
.benefit-list li i { color: var(--primary); font-size: 18px; }

.copyright { font-size: 11px; color: #475569; margin-top: 30px; }

/* --- Form Side (White Side) --- */
.luxury-form-side { width: 62%; background: #FFFFFF; display: flex; flex-direction: column; }
.form-scroll-area { flex: 1; padding: 60px 55px 20px; }

.section-head {
    font-size: 11px; font-weight: 800; color: #1e293b; text-transform: uppercase; letter-spacing: 2px;
    margin-bottom: 35px; display: flex; align-items: center; gap: 15px;
}
.section-head::after { content: ""; height: 1px; flex-grow: 1; background: linear-gradient(90deg, #e2e8f0, transparent); }

.input-box-luxury { position: relative; margin-bottom: 30px; }
.input-box-luxury label { display: block; font-size: 11px; font-weight: 700; color: #94a3b8; margin-bottom: 10px; text-transform: uppercase; }
.input-box-luxury input {
    width: 100%; padding: 12px 0; border: none; border-bottom: 2px solid #f1f5f9;
    font-size: 15px; font-weight: 600; color: #0f172a; outline: none; background: transparent; transition: var(--transition);
}
.input-box-luxury input:focus { border-color: var(--primary); padding-left: 5px; }
.eye-btn { position: absolute; right: 0; bottom: 12px; background: none; border: none; cursor: pointer; color: #94a3b8; font-size: 16px; }

/* --- Custom Checkbox (Stay Signed In) --- */
.checkbox-wrapper { display: flex; align-items: center; gap: 12px; cursor: pointer; position: relative; }
.checkbox-wrapper input { position: absolute; opacity: 0; width: 0; height: 0; }
.checkmark {
    height: 18px; width: 18px; background-color: #f8fafc; border: 2px solid #e2e8f0;
    border-radius: 5px; transition: var(--transition); position: relative;
}
.checkbox-wrapper:hover input ~ .checkmark { border-color: var(--primary); }
.checkbox-wrapper input:checked ~ .checkmark { background-color: #000; border-color: #000; }
.checkmark:after {
    content: ""; position: absolute; display: none;
    left: 5px; top: 1px; width: 4px; height: 8px;
    border: solid var(--primary); border-width: 0 2px 2px 0; transform: rotate(45deg);
}
.checkbox-wrapper input:checked ~ .checkmark:after { display: block; }
.terms-text { font-size: 13px; color: #64748b; font-weight: 500; }

.forgot-link { font-size: 13px; color: #64748b; text-decoration: none; font-weight: 600; }
.forgot-link:hover { color: #000; }

/* --- Actions --- */
.form-action-luxury { padding: 35px 55px 50px; background: #fff; }
.btn-gold-action {
    width: 100%; background: #000; color: #fff; border: none; padding: 20px; border-radius: 16px;
    font-weight: 800; font-size: 15px; letter-spacing: 1.5px; cursor: pointer; transition: var(--transition);
    display: flex; align-items: center; justify-content: center; gap: 15px;
}
.btn-gold-action:hover { transform: translateY(-4px); box-shadow: 0 15px 30px rgba(0,0,0,0.15); background: #111; }

.social-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-top: 25px; }
.social-item {
    background: #f8fafc; border: 1px solid #f1f5f9; border-radius: 14px; padding: 14px; 
    text-decoration: none; display: flex; align-items: center; justify-content: center; gap: 12px; transition: 0.3s;
}
.social-item span { color: #475569; font-size: 13px; font-weight: 700; }
.social-item:hover { background: #000; }
.social-item:hover span, .social-item:hover i { color: var(--primary); }

.login-prompt { text-align: center; margin-top: 25px; font-size: 14px; color: #94a3b8; }
.login-prompt a { color: #000; font-weight: 800; text-decoration: none; border-bottom: 2px solid var(--primary); }

.error-message { color: var(--error); font-size: 11px; margin-top: 5px; font-weight: 600; display: none; }

@media (max-width: 991px) {
    .login-card { flex-direction: column; }
    .luxury-side-info, .luxury-form-side { width: 100%; }
}