* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: linear-gradient(135deg, #0a0a12 0%, #1a1a2e 50%, #0a0a12 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 480px;
}

.auth-card {
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    border-radius: 24px;
    padding: 40px;
    border: 1px solid rgba(26, 200, 219, 0.2);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5), 0 0 100px rgba(26, 200, 219, 0.1);
}

.auth-logo {
    text-align: center;
    margin-bottom: 30px;
}

.auth-logo img {
    max-width: 180px;
    height: auto;
}

h1 {
    color: #1ac8db;
    font-size: 28px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 10px;
}

.auth-subtitle {
    color: #94a3b8;
    text-align: center;
    margin-bottom: 30px;
    font-size: 14px;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    color: #94a3b8;
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="tel"] {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(26, 200, 219, 0.3);
    border-radius: 12px;
    padding: 14px 16px;
    color: #e2e8f0;
    font-size: 15px;
    transition: all 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: #1ac8db;
    box-shadow: 0 0 0 3px rgba(26, 200, 219, 0.2);
}

.form-group input::placeholder {
    color: #64748b;
}

.form-row {
    flex-direction: row !important;
    justify-content: space-between;
    align-items: center;
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    width: 100%;
}

.form-row-2 .form-group {
    min-width: 0;
}

.form-row-2 .form-group input {
    width: 100%;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #94a3b8;
    font-size: 13px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #1ac8db;
}

.forgot-link {
    color: #1ac8db;
    font-size: 13px;
    text-decoration: none;
    transition: color 0.2s;
}

.forgot-link:hover {
    color: #5eead4;
    text-decoration: underline;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 24px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    width: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, #1ac8db, #0891b2);
    color: #0a0a12;
    box-shadow: 0 4px 15px rgba(26, 200, 219, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 200, 219, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #e2e8f0;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

.auth-footer {
    margin-top: 30px;
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.auth-footer p {
    color: #94a3b8;
    font-size: 14px;
}

.auth-footer a {
    color: #1ac8db;
    text-decoration: none;
    font-weight: 500;
}

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

.alert {
    padding: 14px 18px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.alert-error a {
    color: #fca5a5;
    text-decoration: underline;
}

.alert-success {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #86efac;
}

/* Responsive */
@media (max-width: 480px) {
    .auth-card {
        padding: 30px 20px;
    }
    
    .form-row-2 {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        flex-direction: column !important;
        align-items: flex-start;
        gap: 10px;
    }
}