/* Global Styles & Variables */
:root {
    --primary-color: #6c5ce7;
    --secondary-color: #a29bfe;
    --dark-bg: #1e272e;
    --card-bg: #2d3436;
    --card-bg-hover: #353b48;
    --text-primary: #ecf0f1;
    --text-secondary: #bdc3c7;
    --accent-color: #00cec9;
    --error-color: #e74c3c;
    --success-color: #00b894;
    --warning-color: #fdcb6e;
    --card-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    --border-radius: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(135deg, var(--dark-bg), #0f1c2e);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.primary-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.4);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(108, 92, 231, 0.6);
}

/* Login Page Styles */
.login-container {
    width: 100%;
    max-width: 480px;
    margin: 80px auto;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--card-shadow);
    text-align: center;
    transform-style: preserve-3d;
    perspective: 1000px;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(1deg); }
}

.login-container h1 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: var(--accent-color);
    text-shadow: 0 5px 15px rgba(0, 206, 201, 0.4);
}

.login-form {
    text-align: left;
}

.login-form h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    text-align: center;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input {
    width: 100%;
    padding: 14px;
    border: 2px solid #3d4852;
    background: #2a343c;
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s;
}

.form-group input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 206, 201, 0.25);
    outline: none;
}

.login-form button {
    width: 100%;
    margin-top: 10px;
}

.message {
    margin: 15px 0;
    padding: 12px;
    border-radius: var(--border-radius);
    font-weight: 500;
    display: none;
}

.error {
    background-color: rgba(231, 76, 60, 0.2);
    color: var(--error-color);
    border-left: 4px solid var(--error-color);
    display: block;
}

.success {
    background-color: rgba(0, 184, 148, 0.2);
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
    display: block;
}

.warning {
    background-color: rgba(253, 203, 110, 0.2);
    color: var(--warning-color);
    border-left: 4px solid var(--warning-color);
    display: block;
}

.login-footer {
    margin-top: 30px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

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

/* Responsive Styles */
@media (max-width: 768px) {
    .login-container {
        max-width: 90%;
        padding: 30px 20px;
        margin: 50px auto;
    }
    
    .login-container h1 {
        font-size: 2rem;
    }
    
    .login-form h2 {
        font-size: 1.5rem;
    }
    
    .form-group input {
        padding: 12px;
    }
    
    .btn {
        padding: 10px 20px;
    }
}