/* PennyBot Login Page Styles - body gradient, centered card, login form */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary, -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif);
    background: linear-gradient(135deg, var(--color-brand-primary, #2E5EAA) 0%, var(--color-brand-secondary, #5DA9E9) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    /* Safe area padding for mobile devices with notches/nav bars */
    padding-bottom: env(safe-area-inset-bottom, 0px);
}

.container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.card {
    background: white;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

h1 {
    text-align: center;
    color: #333;
    margin-bottom: 10px;
    font-size: 2.5em;
}

.subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
}

form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

input {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    transition: border 0.3s;
}

input:focus {
    border-color: var(--color-brand-primary, #2E5EAA);
}

input:focus-visible {
    outline: 3px solid var(--color-brand-primary, #2E5EAA);
    outline-offset: 2px;
}

button:focus-visible {
    outline: 3px solid var(--color-brand-primary, #2E5EAA);
    outline-offset: 2px;
}

.link a:focus-visible {
    outline: 3px solid var(--color-brand-primary, #2E5EAA);
    outline-offset: 2px;
    border-radius: 2px;
}

button {
    padding: 12px;
    background: var(--color-brand-primary, #2E5EAA);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background: var(--color-link-hover, #21497F);
}

.link {
    text-align: center;
    margin-top: 20px;
    color: #666;
}

.link a {
    color: var(--color-brand-primary, #2E5EAA);
    text-decoration: none;
}

.link a:hover {
    text-decoration: underline;
}

#message {
    margin-top: 15px;
    padding: 10px;
    border-radius: 6px;
    text-align: center;
}

.error {
    background: #fee;
    color: #c00;
}

label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    margin-bottom: 4px;
}

.form-hint {
    font-size: 12px;
    color: #888;
    margin-top: 6px;
}

/* Mobile responsive */
@media (max-width: 480px) {
    .card {
        padding: 24px 20px;
    }

    h1 {
        font-size: 2em;
    }

    .subtitle {
        margin-bottom: 20px;
    }
}