/**
 * Trainer login page styles
 * Uses global-theme.css for CSS variables (supports dark mode)
 */

body {
    font-family: -apple-system, system-ui, sans-serif;
    background-color: var(--bg-soft);
    color: var(--text-main);
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

.auth-card {
    width: 100%;
    max-width: 330px;
    padding: 50px 35px;
    text-align: center;
    background: var(--card-bg);
    border-radius: 30px;
    border: 1px solid var(--border-color);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.06);
}

.logo {
    font-size: 3.8rem;
    font-weight: 900;
    letter-spacing: -3px;
    margin-bottom: 5px;
    color: var(--text-main);
    line-height: 1;
}

.subtitle {
    color: var(--accent-blue);
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 2px;
    margin-bottom: 35px;
}

input {
    width: 100%;
    padding: 18px;
    margin: 10px 0;
    border: 1px solid var(--border-color);
    background: var(--card-bg-hover);
    color: var(--text-main);
    border-radius: 16px;
    box-sizing: border-box;
    font-size: 1.1rem;
    text-align: center;
    transition: all 0.2s ease;
}

input:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: var(--card-bg-hover);
    box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.1);
}

button {
    width: 100%;
    padding: 18px;
    background: var(--accent-blue);
    color: #fff;
    border: none;
    border-radius: 16px;
    font-weight: 800;
    cursor: pointer;
    margin-top: 25px;
    font-size: 1.1rem;
    box-shadow: 0 8px 20px rgba(0, 122, 255, 0.25);
    transition: all 0.2s ease;
}

button:active {
    transform: scale(0.97);
}

.error {
    color: #ff3b30;
    font-size: 1rem;
    margin-top: 20px;
    font-weight: 600;
}

.back-link {
    display: block;
    margin-top: 25px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    transition: color 0.2s;
}