.sidebar-auth {
    padding: 0 0 18px;
}

.sidebar-auth-button,
.auth-submit-button,
.auth-mode-button {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface-3);
    color: var(--text-primary);
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}

.sidebar-auth-button {
    width: 100%;
    padding: 11px 16px;
}

.sidebar-auth-button:hover,
.auth-submit-button:hover {
    border-color: var(--gold-light);
    background: var(--gold);
}

.auth-forgot-password {
    width: 100%;
    margin-top: 10px;
    padding: 8px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--gold-light);
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}

.auth-forgot-password:hover,
.auth-forgot-password:focus-visible {
    border-color: var(--border);
    border-radius: var(--radius-md);
    background: var(--surface-3);
}

.auth-agreement {
    margin: 12px 0;
    color: var(--text-muted);
    font-size: .84rem;
}

.auth-agreement a {
    color: var(--gold-light);
    font-weight: 800;
}

.auth-field.auth-age-confirm,
.auth-field.auth-agreement {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.auth-field.auth-age-confirm input[type="checkbox"],
.auth-field.auth-agreement input[type="checkbox"] {
    width: auto;
    flex-shrink: 0;
    margin-top: 3px;
    padding: 0;
    border-radius: 4px;
    accent-color: var(--gold);
}

.auth-field.auth-age-confirm span,
.auth-field.auth-agreement span {
    display: inline;
    margin-bottom: 0;
    color: var(--text-muted);
    font-size: .84rem;
    font-weight: 500;
}

.settings-policy-links {
    display: grid;
    gap: 8px;
}

.settings-policy-links a {
    padding: 9px 11px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--gold-light);
    font-weight: 800;
}

.settings-policy-links a:hover {
    background: var(--surface-3);
}

.auth-modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: grid;
    padding: 20px;
    place-items: center;
    background: rgba(0, 0, 0, 0.76);
    backdrop-filter: blur(8px);
}

.auth-modal-backdrop[hidden] {
    display: none;
}

.auth-modal {
    position: relative;
    box-sizing: border-box;
    width: min(460px, 100%);
    max-height: calc(100vh - 40px);
    padding: 34px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: var(--surface-2);
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
}

.auth-modal.ban-modal {
    width: min(640px, 100%);
}

.auth-modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 38px;
    height: 38px;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: var(--surface-3);
    color: var(--text-primary);
    font: inherit;
    font-size: 1.35rem;
    cursor: pointer;
}

.auth-modal-label {
    margin: 0 0 7px;
    color: var(--gold-light);
    font-size: 0.78rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.auth-modal h2 {
    margin: 0 0 22px;
}

.auth-mode-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 20px;
}

.auth-mode-button {
    padding: 10px;
}

.auth-mode-button.active {
    border-color: var(--gold);
    background: var(--surface-4);
}

.auth-provider-buttons {
    display: grid;
    gap: 9px;
}

.auth-provider-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--border);
    border-radius: 11px;
    background: var(--surface-1);
    color: var(--text-primary);
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}

.auth-provider-button:hover {
    border-color: var(--gold-light);
    background: var(--surface-3);
}

.auth-provider-icon {
    display: grid;
    width: 22px;
    height: 22px;
    place-items: center;
    border-radius: 6px;
    color: #ffffff;
    font-size: 0.8rem;
    font-weight: 900;
}

.auth-provider-icon.google {
    background: #4285f4;
}

.auth-provider-icon.microsoft {
    background: #00a4ef;
}

.auth-provider-icon.facebook {
    background: #1877f2;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 17px 0 2px;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.auth-divider::before,
.auth-divider::after {
    height: 1px;
    flex: 1;
    background: var(--border);
    content: "";
}

.auth-field {
    display: block;
    margin-top: 15px;
}

.auth-field[hidden] {
    display: none;
}

.auth-field span {
    display: block;
    margin-bottom: 7px;
    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 800;
}

.auth-field input,
.auth-field select,
.auth-field textarea {
    box-sizing: border-box;
    width: 100%;
    padding: 12px 13px;
    border: 1px solid var(--border);
    border-radius: 11px;
    outline: none;
    background: var(--surface-1);
    color: var(--text-primary);
    font: inherit;
    resize: vertical;
}

.auth-field input:focus,
.auth-field select:focus,
.auth-field textarea:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(78, 143, 255, 0.16);
}

.auth-password-wrapper {
    position: relative;
}

.auth-password-wrapper input {
    padding-right: 66px;
}

.auth-password-toggle {
    position: absolute;
    top: 50%;
    right: 6px;
    transform: translateY(-50%);
    padding: 6px 10px;
    border: none;
    background: transparent;
    color: var(--gold-light);
    font: inherit;
    font-size: 0.8rem;
    font-weight: 800;
    cursor: pointer;
}

.auth-message {
    min-height: 22px;
    margin: 14px 0 0;
    color: var(--danger);
    font-size: 0.9rem;
}

.auth-submit-button {
    width: 100%;
    padding: 12px 18px;
    background: var(--gold);
}

body.auth-modal-open {
    overflow: hidden;
}

.access-gate-backdrop {
    position: fixed;
    inset: 0;
    z-index: 2800;
    display: grid;
    padding: 22px;
    place-items: center;
    background: rgba(0, 0, 0, 0.76);
    backdrop-filter: blur(8px);
}

.access-gate-backdrop[hidden] {
    display: none;
}

.access-gate {
    position: relative;
    width: min(470px, 100%);
    padding: 34px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: var(--surface-2);
    color: var(--text-primary);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.access-gate h2 {
    margin: 0 0 10px;
}

.access-gate p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.access-gate p strong {
    display: block;
    margin-top: 8px;
    color: var(--text-primary);
}

.access-gate-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 24px;
}

.access-gate-actions button {
    padding: 12px 14px;
    border: 1px solid var(--gold-light);
    border-radius: var(--radius-md);
    background: var(--gold);
    color: var(--text-primary);
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}

.access-gate-actions button:last-child {
    background: transparent;
}

body.access-gate-open {
    overflow: hidden;
}

.warning-gate-backdrop {
    position: fixed;
    inset: 0;
    z-index: 3200;
    display: grid;
    padding: 22px;
    place-items: center;
    background: rgba(20, 0, 0, 0.86);
    backdrop-filter: blur(8px);
}

.warning-gate {
    position: relative;
    width: min(520px, 100%);
    padding: 38px;
    border: 1px solid var(--danger);
    border-radius: var(--radius-xl);
    background: var(--surface-2);
    color: var(--text-primary);
    text-align: center;
    box-shadow: 0 0 0 6px rgba(220, 38, 38, 0.12),
        var(--shadow-lg);
}

.warning-gate h2 {
    margin: 0 0 16px;
    color: var(--danger);
    font-size: 1.7rem;
}

.warning-gate-reason {
    margin: 0 0 18px;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface-3);
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.6;
}

.warning-gate-threat {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.65;
}

.warning-gate .access-gate-actions {
    grid-template-columns: 1fr;
    margin-top: 26px;
}

.warning-gate .access-gate-actions button {
    border-color: var(--danger);
    background: var(--danger);
}

.deleted-gate .access-gate-actions {
    grid-template-columns: 1fr;
    margin-top: 24px;
}

.banned-gate-backdrop {
    position: fixed;
    inset: 0;
    z-index: 3200;
    display: grid;
    padding: 22px;
    place-items: center;
    background: rgba(20, 0, 0, 0.86);
    backdrop-filter: blur(8px);
}

.banned-gate {
    position: relative;
    width: min(500px, 100%);
    padding: 36px;
    border: 1px solid var(--danger);
    border-radius: var(--radius-xl);
    background: var(--surface-2);
    color: var(--text-primary);
    text-align: center;
    box-shadow: 0 0 0 6px rgba(220, 38, 38, 0.12),
        var(--shadow-lg);
}

.banned-gate h2 {
    margin: 0 0 16px;
    color: var(--danger);
    font-size: 1.6rem;
}

.banned-gate-message {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.65;
}

.banned-gate .access-gate-actions {
    grid-template-columns: 1fr;
    margin-top: 26px;
}

.banned-gate .access-gate-actions button {
    border-color: var(--danger);
    background: var(--danger);
}

@media (max-width: 520px) {
    .access-gate-actions {
        grid-template-columns: 1fr;
    }
}

.keep-signed-in-prompt {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 3500;
    display: flex;
    align-items: center;
    gap: 22px;
    width: min(560px, calc(100% - 44px));
    padding: 17px 18px;
    border: 1px solid var(--gold-light);
    border-radius: var(--radius-lg);
    background: var(--surface-2);
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
}

.keep-signed-in-prompt[hidden] {
    display: none;
}

.keep-signed-in-prompt > div:first-child {
    display: grid;
    gap: 3px;
}

.keep-signed-in-prompt span {
    color: var(--text-secondary);
    font-size: 0.88rem;
}

.keep-signed-in-actions {
    display: flex;
    gap: 8px;
    margin-left: auto;
}

.keep-signed-in-actions button {
    padding: 9px 11px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-primary);
    font: inherit;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
}

.keep-signed-in-actions button:first-child {
    border-color: var(--gold-light);
    background: var(--gold);
}

@media (max-width: 620px) {
    .keep-signed-in-prompt {
        align-items: stretch;
        flex-direction: column;
    }

    .keep-signed-in-actions {
        width: 100%;
        margin-left: 0;
    }
}

/* ==========================================================
   SETTINGS DRAWER
========================================================== */

.settings-backdrop {
    position: fixed;
    inset: 0;
    z-index: 2300;
    background: rgba(0, 0, 0, 0.68);
}

.settings-backdrop[hidden],
.settings-drawer[hidden] {
    display: none;
}

.settings-drawer {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 2400;
    display: flex;
    box-sizing: border-box;
    width: min(620px, 94vw);
    height: 100vh;
    flex-direction: column;
    border-left: 1px solid var(--border);
    background: var(--surface-1);
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
}

.settings-drawer-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    padding: 24px;
    border-bottom: 1px solid var(--border);
}

.settings-drawer-header p {
    margin: 0 0 5px;
    color: var(--gold-light);
    font-size: 0.78rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.settings-drawer-header h2 {
    margin: 0;
    color: var(--text-primary);
}

.settings-header-description {
    display: block;
    margin-top: 6px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.settings-drawer-close {
    display: grid;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    place-items: center;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: var(--surface-3);
    color: var(--text-primary);
    font: inherit;
    font-size: 1.3rem;
    cursor: pointer;
}

.settings-drawer-body {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

.settings-section {
    margin-bottom: 22px;
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface-2);
}

.settings-section[hidden] {
    display: none;
}

.settings-section h3 {
    margin: 0 0 18px;
    color: var(--text-primary);
}

.settings-course-checklist {
    display: grid;
    gap: 9px;
    max-height: 270px;
    padding: 4px;
    overflow-y: auto;
}

.settings-notification-options {
    display: grid;
    gap: 9px;
}

.settings-course-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface-3);
    color: var(--text-secondary);
    cursor: pointer;
}

.settings-course-option:has(input:checked) {
    border-color: var(--gold-light);
    color: var(--text-primary);
}

.settings-course-option input {
    width: 17px;
    height: 17px;
    accent-color: var(--gold);
}

.settings-admin-link {
    display: inline-flex;
    justify-content: center;
    text-decoration: none;
}

.settings-field {
    display: block;
    margin-bottom: 15px;
}

.settings-field > span {
    display: block;
    margin-bottom: 7px;
    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 800;
}

.settings-field input,
.settings-field select {
    box-sizing: border-box;
    width: 100%;
    padding: 12px 13px;
    border: 1px solid var(--border);
    border-radius: 11px;
    outline: none;
    background: var(--surface-1);
    color: var(--text-primary);
    font: inherit;
}

.settings-field input:focus,
.settings-field select:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(78, 143, 255, 0.16);
}

.settings-field input:disabled,
.settings-field select:disabled {
    cursor: not-allowed;
    opacity: 0.65;
}

.settings-theme-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
    max-height: 360px;
    padding: 2px;
    overflow-y: auto;
}

.settings-accent-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.settings-accent-option {
    width: 34px;
    height: 34px;
    padding: 0;
    border: 3px solid transparent;
    border-radius: 50%;
    background: var(--settings-accent-color);
    cursor: pointer;
}

.settings-accent-option:hover {
    transform: translateY(-1px);
}

.settings-accent-option[aria-pressed="true"] {
    border-color: var(--text-primary);
    box-shadow: 0 0 0 2px var(--surface-2);
}

.settings-theme-option {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 9px 10px;
    border: 2px solid transparent;
    border-radius: 11px;
    background: var(--surface-3);
    color: var(--text-secondary);
    font: inherit;
    font-size: 0.82rem;
    font-weight: 800;
    text-align: left;
    cursor: pointer;
}

.settings-theme-option:hover {
    background: var(--surface-4);
    color: var(--text-primary);
}

.settings-theme-option[aria-pressed="true"] {
    border-color: var(--gold);
    color: var(--text-primary);
}

.settings-theme-preview {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    border: 2px solid rgba(255, 255, 255, 0.65);
    border-radius: 8px;
    background:
        linear-gradient(
            135deg,
            var(--settings-theme-color) 50%,
            color-mix(
                in srgb,
                var(--settings-theme-color) 48%,
                #111111
            ) 50%
        );
}

.settings-primary-button,
.settings-secondary-button,
.settings-delete-button {
    width: 100%;
    padding: 11px 15px;
    border: 1px solid var(--border);
    border-radius: 11px;
    background: var(--surface-3);
    color: var(--text-primary);
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}

.settings-primary-button {
    border-color: var(--gold-light);
    background: var(--gold);
    color: #ffffff;
}

.settings-primary-button:hover,
.settings-secondary-button:hover {
    border-color: var(--gold-light);
    background: var(--surface-4);
}

.settings-danger h3,
.settings-delete-button {
    color: var(--danger);
}

.settings-delete-button {
    margin-top: 10px;
}

.settings-delete-button:hover {
    border-color: var(--danger);
}

.settings-note,
.settings-message,
.settings-error {
    margin: 10px 0 0;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.settings-error {
    color: var(--danger);
}

body.settings-drawer-open {
    overflow: hidden;
}

body[data-font="serif"] {
    font-family: Georgia, "Times New Roman", serif;
}

body[data-font="mono"] {
    font-family: var(--font-code);
}

body[data-font="dyslexic"] {
    font-family: Verdana, Arial, sans-serif;
}

:root[data-accent="blue"] {
    --gold: #4e8fff;
    --gold-light: #6ca4ff;
}

:root[data-accent="gold"] {
    --gold: #e0a83e;
    --gold-light: #f0c876;
}

:root[data-accent="teal"] {
    --gold: #2bb673;
    --gold-light: #4cd999;
}

:root[data-accent="coral"] {
    --gold: #e65b5b;
    --gold-light: #ff8a8a;
}

:root[data-accent="purple"] {
    --gold: #8b5cf6;
    --gold-light: #a78bfa;
}

@media (max-width: 520px) {
    .auth-modal {
        padding: 28px 20px;
    }

    .settings-drawer-body {
        padding: 16px;
    }

    .settings-section {
        padding: 18px;
    }
}