/* Login Page Styles */

:root {
    --bg-gradient-start: #667eea;
    --bg-gradient-end: #764ba2;
    --card-bg: #ffffff;
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --input-border: #dddddd;
    --input-focus: #3498db;
    --button-bg: #3498db;
    --button-hover: #2980b9;
    --error-bg: #f8d7da;
    --error-text: #721c24;
    --error-border: #f5c6cb;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 10px 25px var(--shadow-color);
    width: 100%;
    max-width: 400px;
}

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

.login-header h1 {
    color: var(--text-primary);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

input[type="password"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--input-border);
    border-radius: 5px;
    font-size: 1rem;
    background-color: var(--card-bg);
    color: var(--text-primary);
    transition: border-color 0.3s, box-shadow 0.3s;
}

input[type="password"]:focus {
    outline: none;
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.login-btn {
    width: 100%;
    background-color: var(--button-bg);
    color: white;
    border: none;
    padding: 0.75rem;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
}

.login-btn:hover {
    background-color: var(--button-hover);
}

.error {
    background-color: var(--error-bg);
    color: var(--error-text);
    padding: 0.75rem;
    border-radius: 5px;
    margin-bottom: 1rem;
    border: 1px solid var(--error-border);
}