.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 60px;
}

.auth-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 48px;
    max-width: 480px;
    width: 100%;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.auth-card h1 {
    font-size: 2rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 32px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
}

.tab-btn {
    flex: 1;
    padding: 12px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-color: transparent;
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input {
    width: 100%;
    padding: 14px 18px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.4);
}

.auth-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 12px;
}

.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(102, 126, 234, 0.4);
}

.auth-message {
    margin-top: 20px;
    padding: 14px;
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 500;
}

.auth-message.success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.auth-message.error {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
}

.auth-message.info {
    background: rgba(102, 126, 234, 0.15);
    color: var(--primary);
}
/* ✅ Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.modal-content {
    background: rgba(15, 15, 20, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    max-width: 450px;
    width: 90%;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: color 0.2s;
}

.modal-close:hover {
    color: white;
}

.modal h2 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.modal p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}