/* ====================================================================
   AI Course Generator — design tokens
   Ink navy structure, warm amber progress accent, paper background,
   serif for lesson/credential titles, sans for UI and body text.
   ==================================================================== */

.acg-tool-wrap, .acg-dashboard, .acg-lms-wrap {
    --acg-ink: #1B2440;
    --acg-ink-soft: #3D4566;
    --acg-amber: #E8954A;
    --acg-amber-dark: #C97A34;
    --acg-paper: #FAF8F4;
    --acg-card: #FFFFFF;
    --acg-border: #E5E1D8;
    --acg-success: #3B8764;
    --acg-success-bg: #E8F3EC;
    --acg-danger: #B3463B;
    --acg-danger-bg: #FBEAE7;
    --acg-text: #232838;
    --acg-text-muted: #6B7280;
    --acg-radius: 14px;
    --acg-radius-sm: 9px;
    --acg-font-serif: Georgia, 'Source Serif Pro', 'Times New Roman', serif;
    --acg-font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

    font-family: var(--acg-font-sans);
    color: var(--acg-text);
}

.acg-eyebrow {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--acg-amber-dark);
    margin-bottom: 6px;
}

/* ==================== Buttons ==================== */
.acg-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: var(--acg-radius-sm);
    border: none;
    text-decoration: none;
    cursor: pointer;
    font-size: 14.5px;
    font-weight: 600;
    font-family: var(--acg-font-sans);
    transition: transform 0.12s ease, box-shadow 0.12s ease, opacity 0.12s ease;
}
.acg-btn:active { transform: translateY(1px); }
.acg-btn-primary {
    background: var(--acg-ink);
    color: #fff;
    box-shadow: 0 2px 0 rgba(27,36,64,0.15);
}
.acg-btn-primary:hover { background: #262F52; }
.acg-btn-primary:disabled { opacity: 0.55; cursor: not-allowed; }
.acg-btn-ghost {
    background: transparent;
    color: var(--acg-ink-soft);
    border: 1.5px solid var(--acg-border);
}
.acg-btn-ghost:hover { border-color: var(--acg-ink-soft); }
.acg-btn-block { width: 100%; }
.acg-btn-cost {
    font-size: 11.5px;
    font-weight: 700;
    background: rgba(255,255,255,0.18);
    padding: 3px 9px;
    border-radius: 99px;
    letter-spacing: 0.02em;
}

/* ==================== Auth gate ==================== */
.acg-auth-gate {
    padding: 32px;
    text-align: center;
    background: var(--acg-paper);
    border-radius: var(--acg-radius);
    border: 1px solid var(--acg-border);
}
.acg-auth-gate a { color: var(--acg-amber-dark); font-weight: 600; }

/* ==================== Generator form ==================== */
.acg-tool-wrap {
    max-width: 560px;
    margin: 0 auto;
    background: var(--acg-card);
    border: 1px solid var(--acg-border);
    border-radius: var(--acg-radius);
    padding: 28px;
}
.acg-tool-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 22px;
    gap: 16px;
}
.acg-tool-header h2 {
    margin: 0;
    font-family: var(--acg-font-serif);
    font-size: 24px;
    font-weight: 700;
    color: var(--acg-ink);
}
.acg-balance-pill {
    flex-shrink: 0;
    text-align: right;
    background: var(--acg-paper);
    border: 1px solid var(--acg-border);
    border-radius: var(--acg-radius-sm);
    padding: 8px 14px;
}
.acg-balance-amount {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: var(--acg-amber-dark);
    line-height: 1.1;
}
.acg-balance-label {
    display: block;
    font-size: 11px;
    color: var(--acg-text-muted);
}

.acg-form { display: flex; flex-direction: column; gap: 16px; }
.acg-field { display: flex; flex-direction: column; gap: 6px; }
.acg-field label {
    font-size: 13px;
    font-weight: 600;
    color: var(--acg-ink-soft);
}
.acg-optional {
    font-weight: 400;
    color: var(--acg-text-muted);
    text-transform: none;
    font-size: 12px;
}
.acg-field-row { display: flex; gap: 14px; }
.acg-field-row .acg-field { flex: 1; }

.acg-tool-wrap input[type="text"],
.acg-tool-wrap select {
    padding: 11px 13px;
    font-size: 14.5px;
    font-family: var(--acg-font-sans);
    border: 1.5px solid var(--acg-border);
    border-radius: var(--acg-radius-sm);
    background: var(--acg-paper);
    color: var(--acg-text);
}
.acg-tool-wrap input[type="text"]:focus,
.acg-tool-wrap select:focus {
    outline: none;
    border-color: var(--acg-amber);
    box-shadow: 0 0 0 3px rgba(232,148,74,0.18);
}

.acg-status {
    margin-top: 16px;
    padding: 12px 14px;
    border-radius: var(--acg-radius-sm);
    background: #FFF4E6;
    color: #8A5A1F;
    font-size: 13.5px;
    line-height: 1.5;
}

/* ==================== Dashboard / course grid ==================== */
.acg-dashboard {
    max-width: 1040px;
    margin: 0 auto;
}
.acg-dashboard-header { margin-bottom: 24px; }
.acg-dashboard-header h2 {
    margin: 0;
    font-family: var(--acg-font-serif);
    font-size: 28px;
    color: var(--acg-ink);
}

.acg-empty-state {
    text-align: center;
    padding: 60px 20px;
    background: var(--acg-paper);
    border: 1px dashed var(--acg-border);
    border-radius: var(--acg-radius);
    color: var(--acg-text-muted);
}
.acg-empty-icon { font-size: 36px; margin-bottom: 10px; }

.acg-course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}
.acg-course-card {
    display: block;
    background: var(--acg-card);
    border: 1px solid var(--acg-border);
    border-radius: var(--acg-radius);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.acg-course-card:hover {
    box-shadow: 0 10px 24px rgba(27,36,64,0.10);
    transform: translateY(-2px);
}
.acg-course-thumb {
    position: relative;
    height: 140px;
    background: var(--acg-paper);
}
.acg-course-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.acg-status-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 99px;
    background: rgba(255,255,255,0.92);
    color: var(--acg-ink);
}
.acg-status-completed { background: var(--acg-success); color: #fff; }
.acg-status-in-progress { background: var(--acg-amber); color: #fff; }

.acg-course-card-body { padding: 16px 18px 18px; }
.acg-course-card-body h3 {
    margin: 0 0 12px;
    font-family: var(--acg-font-serif);
    font-size: 17px;
    color: var(--acg-ink);
    line-height: 1.3;
}
.acg-course-card-meta {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    font-size: 12px;
    color: var(--acg-text-muted);
}

.acg-progress-track {
    height: 6px;
    background: var(--acg-border);
    border-radius: 99px;
    overflow: hidden;
}
.acg-progress-track-sm { width: 140px; }
.acg-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--acg-amber), var(--acg-amber-dark));
    border-radius: 99px;
    transition: width 0.3s ease;
}

/* ==================== LMS layout ==================== */
.acg-lms-wrap {
    max-width: 1080px;
    margin: 0 auto;
}
.acg-lms-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    flex-wrap: wrap;
    gap: 12px;
}
.acg-lms-back {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--acg-ink-soft);
    text-decoration: none;
}
.acg-lms-back:hover { color: var(--acg-ink); }
.acg-lms-overall-progress {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12.5px;
    color: var(--acg-text-muted);
    font-weight: 600;
}

.acg-lms-layout {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

/* ---- Sidebar: the "path" signature element ---- */
.acg-lms-sidebar {
    flex: 0 0 280px;
    background: var(--acg-card);
    border: 1px solid var(--acg-border);
    border-radius: var(--acg-radius);
    padding: 20px 18px;
    position: sticky;
    top: 20px;
}
.acg-lms-sidebar h3 {
    margin: 0 0 18px;
    font-family: var(--acg-font-serif);
    font-size: 16px;
    color: var(--acg-ink);
    line-height: 1.35;
}
.acg-lesson-list {
    list-style: none;
    margin: 0;
    padding: 0;
    position: relative;
}
/* The connecting path line runs behind every node, fixed at the node's
   horizontal center (11px = half of the 22px node width). */
.acg-lesson-list::before {
    content: "";
    position: absolute;
    left: 11px;
    top: 11px;
    bottom: 11px;
    width: 2px;
    background: var(--acg-border);
    z-index: 0;
}
.acg-lesson-item {
    position: relative;
    z-index: 1;
    margin-bottom: 2px;
}
.acg-lesson-item a,
.acg-lesson-item .acg-locked-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 8px;
    border-radius: var(--acg-radius-sm);
    text-decoration: none;
    color: var(--acg-text);
}
.acg-lesson-item.acg-active a {
    background: #FFF4E6;
}
.acg-lesson-item-title {
    font-size: 13.5px;
    font-weight: 500;
    line-height: 1.3;
}
.acg-lesson-item.acg-active .acg-lesson-item-title {
    font-weight: 700;
    color: var(--acg-ink);
}

.acg-node {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    font-size: 11px;
    font-weight: 700;
    background: var(--acg-paper);
    border: 2px solid var(--acg-border);
    color: var(--acg-text-muted);
}
.acg-node-complete {
    background: var(--acg-success);
    border-color: var(--acg-success);
    color: #fff;
}
.acg-node-active {
    background: var(--acg-card);
    border-color: var(--acg-amber);
    color: var(--acg-amber-dark);
    box-shadow: 0 0 0 3px rgba(232,148,74,0.18);
}
.acg-node-upcoming { color: var(--acg-text-muted); }
.acg-node-locked {
    background: var(--acg-paper);
    border-color: var(--acg-border);
    color: var(--acg-text-muted);
    font-size: 10px;
}
.acg-locked-row {
    cursor: not-allowed;
    color: var(--acg-text-muted);
}
.acg-locked-row .acg-lesson-item-title { color: var(--acg-text-muted); }

.acg-milestone {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px dashed var(--acg-border);
}
.acg-milestone:first-of-type { margin-top: 14px; }

/* ---- Main content area ---- */
.acg-lms-main {
    flex: 1;
    min-width: 0;
    background: var(--acg-card);
    border: 1px solid var(--acg-border);
    border-radius: var(--acg-radius);
    padding: 30px 34px;
}

.acg-lesson-meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}
.acg-lesson-progress-label {
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--acg-amber-dark);
}
.acg-complete-tag {
    font-size: 12px;
    font-weight: 700;
    color: var(--acg-success);
    background: var(--acg-success-bg);
    padding: 4px 10px;
    border-radius: 99px;
}

.acg-topic-image-wrap {
    border-radius: var(--acg-radius-sm);
    overflow: hidden;
    margin-bottom: 20px;
}
.acg-topic-image {
    width: 100%;
    max-height: 320px;
    object-fit: cover;
    display: block;
}

.acg-lesson-title {
    font-family: var(--acg-font-serif);
    font-size: 26px;
    line-height: 1.3;
    color: var(--acg-ink);
    margin: 0 0 16px;
}
.acg-lesson-content {
    font-size: 15.5px;
    line-height: 1.75;
    color: var(--acg-text);
}
.acg-lesson-content h3 {
    font-family: var(--acg-font-serif);
    font-size: 18px;
    color: var(--acg-ink);
    margin: 24px 0 10px;
}
.acg-lesson-content p { margin: 0 0 14px; }
.acg-lesson-content ul { margin: 0 0 14px; padding-left: 22px; }
.acg-lesson-content li { margin-bottom: 6px; }

.acg-lesson-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--acg-border);
}

/* ==================== Quiz ==================== */
.acg-quiz h2 {
    font-family: var(--acg-font-serif);
    font-size: 24px;
    color: var(--acg-ink);
    margin: 0 0 8px;
}
.acg-quiz-intro {
    color: var(--acg-text-muted);
    font-size: 14.5px;
    margin-bottom: 20px;
}
.acg-quiz-result {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding: 12px 16px;
    border-radius: var(--acg-radius-sm);
    font-size: 14px;
}
.acg-quiz-result.acg-pass { background: var(--acg-success-bg); color: #1F5E41; }
.acg-quiz-result.acg-fail { background: var(--acg-danger-bg); color: #8A352B; }
.acg-quiz-result-icon { font-size: 16px; }

.acg-quiz-question {
    margin-bottom: 22px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--acg-border);
}
.acg-quiz-q-text {
    display: flex;
    gap: 10px;
    font-weight: 700;
    font-size: 15px;
    color: var(--acg-ink);
    margin-bottom: 12px;
}
.acg-quiz-q-num {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--acg-paper);
    border: 1.5px solid var(--acg-border);
    font-size: 11.5px;
}
.acg-quiz-options { display: flex; flex-direction: column; gap: 8px; }
.acg-quiz-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: var(--acg-radius-sm);
    border: 1.5px solid var(--acg-border);
    cursor: pointer;
    font-size: 14px;
    transition: border-color 0.12s ease, background 0.12s ease;
}
.acg-quiz-option:hover { border-color: var(--acg-amber); }
.acg-quiz-option input { accent-color: var(--acg-amber-dark); }
.acg-quiz-option:has(input:checked) {
    border-color: var(--acg-amber);
    background: #FFF4E6;
}

/* ==================== Certificate ==================== */
.acg-certificate-view {
    text-align: center;
    padding: 30px 10px;
}
.acg-trophy { font-size: 44px; margin-bottom: 6px; }
.acg-certificate-view h2 {
    font-family: var(--acg-font-serif);
    font-size: 26px;
    color: var(--acg-ink);
    margin: 0 0 10px;
}
.acg-certificate-view p {
    max-width: 440px;
    margin: 0 auto 22px;
    color: var(--acg-text-muted);
    font-size: 15px;
}
.acg-cert-preview {
    max-width: 420px;
    margin: 0 auto 26px;
    padding: 32px 24px;
    border: 2px solid var(--acg-ink);
    border-radius: var(--acg-radius);
    background: var(--acg-paper);
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.acg-cert-preview-label {
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--acg-amber-dark);
    font-weight: 700;
}
.acg-cert-preview-name {
    font-family: var(--acg-font-serif);
    font-size: 22px;
    color: var(--acg-ink);
    margin: 6px 0 2px;
}
.acg-cert-preview-course {
    font-size: 13.5px;
    color: var(--acg-text-muted);
}

/* ==================== Locked state ==================== */
.acg-locked-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--acg-text-muted);
}
.acg-locked-state-icon { font-size: 30px; margin-bottom: 10px; }

/* ==================== Responsive ==================== */
@media (max-width: 760px) {
    .acg-lms-layout { flex-direction: column; }
    .acg-lms-sidebar {
        flex: 1 1 auto;
        width: 100%;
        position: static;
    }
    .acg-lms-main { padding: 22px 18px; }
    .acg-field-row { flex-direction: column; }
    .acg-lesson-title { font-size: 21px; }
    .acg-tutor-panel { width: calc(100vw - 32px); right: -8px; }
}

.acg-lms-topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* ==================== Google Translate widget ==================== */
.acg-google-translate-wrap {
    display: flex;
    align-items: center;
}
/* Google's widget renders its own select element with its own styling
   that we can't fully theme (it's inside an iframe in some states), so
   we only lightly constrain its size/alignment here rather than trying
   to override internal Google styles. */
#acg-google-translate-element {
    font-size: 13px;
}
.goog-te-gadget {
    font-family: var(--acg-font-sans, inherit) !important;
}
.goog-te-gadget-simple {
    border: 1.5px solid var(--acg-border, #E5E1D8) !important;
    border-radius: 9px !important;
    padding: 6px 10px !important;
    background: var(--acg-card, #fff) !important;
}
/* Google injects a top banner + body padding when translation is active -
   hide the banner since it duplicates our own UI and clashes visually. */
.goog-te-banner-frame { display: none !important; }
body { top: 0 !important; }

/* ==================== Floating AI tutor widget ==================== */
.acg-tutor-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    font-family: var(--acg-font-sans, -apple-system, sans-serif);
}
.acg-tutor-toggle {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 13px 20px;
    background: #1B2440;
    color: #fff;
    border: none;
    border-radius: 99px;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(27,36,64,0.28);
    font-size: 14px;
    font-weight: 600;
    transition: transform 0.15s ease;
}
.acg-tutor-toggle:hover { transform: translateY(-2px); }
.acg-tutor-toggle-icon { font-size: 17px; }

.acg-tutor-panel {
    position: absolute;
    bottom: 64px;
    right: 0;
    width: 360px;
    max-height: 520px;
    background: #FFFFFF;
    border: 1px solid #E5E1D8;
    border-radius: 16px;
    box-shadow: 0 16px 40px rgba(27,36,64,0.22);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.acg-tutor-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 16px 18px;
    background: #1B2440;
    color: #fff;
}
.acg-tutor-header-title {
    display: block;
    font-size: 14.5px;
    font-weight: 700;
}
.acg-tutor-header-sub {
    display: block;
    font-size: 12px;
    color: rgba(255,255,255,0.7);
    margin-top: 2px;
}
.acg-tutor-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    opacity: 0.8;
}
.acg-tutor-close:hover { opacity: 1; }

.acg-tutor-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 340px;
    min-height: 160px;
}
.acg-tutor-msg {
    padding: 10px 13px;
    border-radius: 12px;
    font-size: 13.5px;
    line-height: 1.5;
    max-width: 85%;
    word-wrap: break-word;
}
.acg-tutor-msg-bot {
    background: #FAF8F4;
    color: #232838;
    align-self: flex-start;
    border: 1px solid #E5E1D8;
}
.acg-tutor-msg-user {
    background: #E8954A;
    color: #fff;
    align-self: flex-end;
}

.acg-tutor-meter {
    padding: 6px 18px;
    font-size: 11.5px;
    color: #6B7280;
    border-top: 1px solid #F1EFE8;
    min-height: 14px;
}

.acg-tutor-input-row {
    display: flex;
    gap: 8px;
    padding: 12px 14px;
    border-top: 1px solid #E5E1D8;
}
.acg-tutor-input-row input[type="text"] {
    flex: 1;
    padding: 9px 12px;
    font-size: 13.5px;
    border: 1.5px solid #E5E1D8;
    border-radius: 9px;
    font-family: inherit;
}
.acg-tutor-input-row input[type="text"]:focus {
    outline: none;
    border-color: #E8954A;
}
.acg-tutor-send {
    padding: 9px 16px;
    font-size: 13px;
    white-space: nowrap;
}