:root {
    --bg-primary: #0a0a0f;
    --bg-card: #1a1a24;
    --border: #2a2a3a;
    --text-primary: #f0f0f5;
    --text-secondary: #8888a0;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --red: #ef4444;
}

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

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 24px;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px 32px;
    text-align: center;
}

.login-logo {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 4px;
}

.login-sub {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

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

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.2s;
}

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

.error-msg {
    color: var(--red);
    font-size: 14px;
    min-height: 20px;
    margin-bottom: 12px;
}

.login-btn {
    width: 100%;
    padding: 14px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    font-family: inherit;
}

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

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