:root {
    --primary-color: #6c63ff;
    --secondary-color: #4a44c9;
    --accent-color: #ff79c6;
    --dark-color: #121212;
    --dark-secondary: #1e1e1e;
    --light-color: #f8f8f2;
    --success-color: #50fa7b;
    --danger-color: #ff5555;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--light-color);
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 450px;
}

.auth-card {
    background: rgba(30, 30, 46, 0.8);
    border-radius: 20px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 2.5rem;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-header p {
    color: rgba(255, 255, 255, 0.7);
}

.auth-form {
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--light-color);
}

.form-group input {
    width: 100%;
    padding: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s;
    background: rgba(0, 0, 0, 0.2);
    color: var(--light-color);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Login button */
#login-btn {
    display: inline-block;
    padding: 15px 25px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 1rem;
    text-align: center;
    width: 100%;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px rgba(108, 99, 255, 0.3);
}

#login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 99, 255, 0.4);
}

/* Loading state for login button */
#login-btn.loading {
    position: relative;
    color: transparent; /* hide text */
    pointer-events: none;
}

#login-btn.loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 22px;
    height: 22px;
    margin: -11px 0 0 -11px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: var(--light-color);
    border-right-color: var(--accent-color);
    border-bottom-color: var(--primary-color);
    animation: spin 0.8s linear infinite;
}

/* Spinner animation */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.auth-footer {
    text-align: center;
}

.auth-footer p {
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.7);
}

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

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

.message {
    padding: 15px;
    border-radius: 10px;
    margin-top: 1rem;
    text-align: center;
    font-weight: 500;
}

.message.success {
    background-color: rgba(80, 250, 123, 0.1);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.message.error {
    background-color: rgba(255, 85, 85, 0.1);
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
}

.hidden {
    display: none;
}