/* ========================================
   Login Page
   ======================================== */

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --border-color: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent-blue: #58a6ff;
    --accent-green: #3fb950;
    --accent-red: #f85149;
    --radius: 8px;
}

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

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 14px;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    background: var(--bg-primary);
    background-image:
        radial-gradient(ellipse at top, var(--bg-secondary) 0%, transparent 50%),
        radial-gradient(ellipse at bottom, var(--bg-tertiary) 0%, transparent 50%);
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo {
    font-size: 48px;
    margin-bottom: 16px;
}

.login-header h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 14px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input[type="password"] {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input[type="password"]:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.2);
}

.form-group-checkbox {
    flex-direction: row;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-blue);
    cursor: pointer;
}

.btn-login {
    width: 100%;
    padding: 12px;
    background: var(--accent-green);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
    margin-top: 8px;
}

.btn-login:hover {
    opacity: 0.9;
}

.btn-login:active {
    transform: scale(0.98);
}

.btn-login:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.login-error {
    margin-top: 16px;
    padding: 12px;
    background: rgba(248, 81, 73, 0.1);
    border: 1px solid rgba(248, 81, 73, 0.3);
    border-radius: var(--radius);
    color: var(--accent-red);
    font-size: 13px;
    text-align: center;
}

.login-lockout {
    margin-top: 16px;
    padding: 12px;
    background: rgba(255, 166, 0, 0.1);
    border: 1px solid rgba(255, 166, 0, 0.3);
    border-radius: var(--radius);
    color: #d29922;
    font-size: 13px;
    text-align: center;
    font-weight: 500;
}