/* Federation — Sleek Dark Login Theme */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body.federation-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: #0f0f0f;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    color: #e0e0e0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ---------- Card ---------- */
.federation-card {
    width: 100%;
    max-width: 440px;
    margin: 1.5rem;
    padding: 2.5rem 2.25rem;
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    border-radius: 12px;
}

/* ---------- Logo ---------- */
.federation-logo {
    display: block;
    margin: 0 auto 2rem;
    max-width: 120px;
    height: auto;
    opacity: 0.9;
}

/* ---------- Heading ---------- */
.federation-heading {
    margin: 0 0 0.25rem;
    font-size: 1.35rem;
    font-weight: 600;
    color: #ffffff;
    text-align: center;
}

.federation-subheading {
    margin: 0 0 1.75rem;
    font-size: 0.85rem;
    font-weight: 400;
    color: #888;
    text-align: center;
}

/* ---------- Form groups ---------- */
.federation-field {
    margin-bottom: 1.25rem;
}

.federation-field label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: #aaa;
    letter-spacing: 0.025em;
    text-transform: uppercase;
}

.federation-field input[type="text"],
.federation-field input[type="email"],
.federation-field input[type="password"],
.federation-field .form-control {
    display: block;
    width: 100%;
    padding: 0.8rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #f0f0f0;
    background: #111;
    border: 1px solid #333;
    border-radius: 8px;
    outline: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.federation-field input:focus,
.federation-field .form-control:focus {
    color: #f0f0f0;
    background: #111;
    border-color: #4a8eff;
    box-shadow: 0 0 0 3px rgba(74, 142, 255, 0.15);
}

.federation-field input::placeholder,
.federation-field .form-control::placeholder {
    color: #555;
    opacity: 1;
}

/* ---------- Checkbox ---------- */
.federation-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    cursor: pointer;
}

.federation-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: #4a8eff;
    cursor: pointer;
}

.federation-checkbox label {
    margin: 0;
    font-size: 0.85rem;
    color: #aaa;
    cursor: pointer;
}

/* ---------- Submit button ---------- */
.federation-submit {
    display: block;
    width: 100%;
    padding: 0.75rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    background: #4a8eff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.1s ease;
}

.federation-submit:hover {
    background: #3a7be0;
}

.federation-submit:active {
    transform: scale(0.985);
}

/* ---------- Links ---------- */
.federation-links {
    margin-top: 1.5rem;
    text-align: center;
}

.federation-links a {
    font-size: 0.82rem;
    color: #4a8eff;
    text-decoration: none;
    transition: color 0.2s ease;
}

.federation-links a:hover {
    color: #6ea4ff;
    text-decoration: underline;
}

/* ---------- Validation ---------- */
.field-validation-error,
.text-danger {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.78rem;
    color: #ef5350;
}

.validation-summary-errors ul {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
}

.validation-summary-errors ul li {
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.4rem;
    font-size: 0.82rem;
    color: #ef5350;
    background: rgba(239, 83, 80, 0.08);
    border-left: 3px solid #ef5350;
    border-radius: 4px;
}

/* ---------- Divider ---------- */
.federation-divider {
    border: none;
    border-top: 1px solid #2a2a2a;
    margin: 1.5rem 0;
}

/* ---------- Card — wide variant ---------- */
.federation-card-wide {
    width: 100%;
    max-width: 560px;
    margin: 1.5rem;
    padding: 2.5rem 2.25rem;
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    border-radius: 12px;
}

/* ---------- Status / message pages ---------- */
.federation-status-icon {
    display: block;
    margin: 0 auto 1rem;
    font-size: 2.5rem;
    text-align: center;
    line-height: 1;
}

.federation-message {
    margin: 0 0 0.75rem;
    font-size: 0.9rem;
    color: #aaa;
    text-align: center;
    line-height: 1.6;
}

/* ---------- Action button groups ---------- */
.federation-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.federation-btn-secondary {
    display: block;
    width: 100%;
    padding: 0.7rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: #ccc;
    background: transparent;
    border: 1px solid #444;
    border-radius: 8px;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.federation-btn-secondary:hover {
    border-color: #4a8eff;
    color: #fff;
    text-decoration: none;
}

/* ---------- Inline link button ---------- */
.federation-btn-link {
    display: inline;
    padding: 0;
    font-size: inherit;
    font-weight: inherit;
    color: #4a8eff;
    background: none;
    border: none;
    cursor: pointer;
    text-decoration: none;
}

.federation-btn-link:hover {
    color: #6ea4ff;
    text-decoration: underline;
}

/* ---------- Alert ---------- */
.federation-alert {
    padding: 0.65rem 0.85rem;
    margin-bottom: 1rem;
    font-size: 0.82rem;
    color: #ef5350;
    background: rgba(239, 83, 80, 0.08);
    border-left: 3px solid #ef5350;
    border-radius: 4px;
    line-height: 1.5;
}

/* ---------- Permission list ---------- */
.federation-permission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.75rem;
    margin: 1.25rem 0;
}

.federation-permission-item {
    padding: 0.85rem 1rem;
    background: #111;
    border: 1px solid #2a2a2a;
    border-radius: 8px;
}

.federation-permission-item h4 {
    margin: 0 0 0.3rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: #e0e0e0;
}

.federation-permission-item p {
    margin: 0;
    font-size: 0.78rem;
    color: #888;
    line-height: 1.45;
}

/* ---------- App header (permission pages) ---------- */
.federation-app-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.federation-app-header img {
    display: block;
    margin: 0 auto 0.75rem;
    max-width: 100px;
    max-height: 100px;
    border-radius: 10px;
}

.federation-app-header h2 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
    color: #fff;
}

/* ---------- Textarea ---------- */
.federation-field textarea {
    display: block;
    width: 100%;
    padding: 0.8rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #f0f0f0;
    background: #111;
    border: 1px solid #333;
    border-radius: 8px;
    outline: none;
    resize: vertical;
    font-family: inherit;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.federation-field textarea:focus {
    border-color: #4a8eff;
    box-shadow: 0 0 0 3px rgba(74, 142, 255, 0.15);
}

/* ---------- Responsive ---------- */
@media (max-width: 480px) {
    .federation-card,
    .federation-card-wide {
        margin: 1rem;
        padding: 2rem 1.5rem;
        border-radius: 10px;
    }

    .federation-heading {
        font-size: 1.2rem;
    }

    .federation-logo {
        max-width: 90px;
        margin-bottom: 1.5rem;
    }

    .federation-permission-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 360px) {
    .federation-card,
    .federation-card-wide {
        margin: 0.75rem;
        padding: 1.75rem 1.25rem;
    }
}