/* ===== Standalone Auth Pages ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #0d9488;
    --primary-dark: #0f766e;
    --primary-light: #14b8a6;
    --secondary: #3b82f6;
    --dark: #0f172a;
    --gray: #64748b;
    --light: #f8fafc;
    --white: #ffffff;
    --shadow: 0 20px 60px rgba(0,0,0,0.15);
    --radius: 18px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, #0f766e 0%, #0f172a 100%);
    color: var(--dark);
}

.auth-bg-pattern {
    position: fixed;
    inset: 0;
    background-image: radial-gradient(circle at 20% 20%, rgba(20,184,166,0.15) 0%, transparent 40%),
                      radial-gradient(circle at 80% 80%, rgba(59,130,246,0.15) 0%, transparent 40%);
    pointer-events: none;
    z-index: 0;
}

.auth-container {
    width: 100%;
    max-width: 480px;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.6s ease;
}

.auth-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.auth-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 35px 30px;
    text-align: center;
    position: relative;
}

.auth-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.08'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.auth-logo {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 8px;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.auth-logo-icon {
    width: 48px;
    height: 48px;
    background: rgba(255,255,255,0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
}

.auth-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 4px;
    position: relative;
}

.auth-subtitle {
    font-size: 0.9rem;
    opacity: 0.9;
    position: relative;
}

.auth-body {
    padding: 30px;
}

.auth-tabs {
    display: flex;
    background: #f1f5f9;
    border-radius: 12px;
    padding: 4px;
    margin-bottom: 24px;
    gap: 4px;
}

.auth-tab {
    flex: 1;
    padding: 10px;
    border: none;
    background: transparent;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray);
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Poppins', sans-serif;
}

.auth-tab.active {
    background: var(--white);
    color: var(--primary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
    transition: var(--transition);
    background: #fff;
    resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(13,148,136,0.1);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-family: 'Poppins', sans-serif;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    width: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(13,148,136,0.3);
}

.btn-secondary {
    background: #f1f5f9;
    color: var(--dark);
    width: 100%;
}

.btn-secondary:hover {
    background: #e2e8f0;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid #e2e8f0;
    font-size: 0.85rem;
    color: var(--gray);
}

.auth-footer a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}

.alert {
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.alert-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #86efac;
}

.alert-danger {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.otp-hint {
    text-align: center;
    font-size: 0.8rem;
    color: var(--gray);
    margin-top: 16px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 576px) {
    .auth-header {
        padding: 25px 20px;
    }
    .auth-body {
        padding: 20px;
    }
    .auth-title {
        font-size: 1.2rem;
    }
    .auth-logo {
        font-size: 1.8rem;
    }
}