css/login.css

/* Login Page Theme Variables */
:root {
    --bg-color: #f4f6f8;
    --card-bg: #fff;
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --accent-color: #4285f4;
    --border-color: #e1e4e8;
    --error-color: #e74c3c;
    --success-color: #27ae60;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
    background-color: var(--bg-color);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Login Container */
.login-container {
    width: 100%;
    max-width: 400px;
}

.login-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    padding: 32px;
}

/* Login Header */
.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo {
    width: 120px;
    height: auto;
    margin-bottom: 16px;
}

.login-header h1 {
    color: var(--text-primary);
    font-size: 24px;
    font-weight: 600;
}

/* Login Form */
.login-form {
    margin-bottom: 24px;
}

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

.form-group label {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-size: 14px;
}

.form-group label i {
    margin-right: 8px;
    color: var(--accent-color);
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 16px;
    transition: all 0.2s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.1);
}

/* Password Input Group */
.password-input {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
}

.toggle-password:hover {
    color: var(--text-primary);
}

/* Error Message */
.error-message {
    color: var(--error-color);
    font-size: 14px;
    margin-bottom: 16px;
    min-height: 20px;
}

/* Login Button */
.login-btn {
    width: 100%;
    padding: 12px;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.login-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.login-btn:active {
    transform: translateY(0);
}

/* Login Footer */
.login-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.login-footer p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 12px;
}

.back-link {
    color: var(--accent-color);
    text-decoration: none;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: color 0.2s ease;
}

.back-link:hover {
    color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 480px) {
    .login-card {
        padding: 24px;
    }

    .login-logo {
        width: 100px;
    }

    .login-header h1 {
        font-size: 20px;
    }
}