/* ============================================================
   Career Advisor — Stylesheet
   ============================================================ */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --primary:       #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: #eef2ff;
    --accent:        #059669;
    --accent-hover:  #047857;
    --accent-light:  #ecfdf5;
    --danger:        #dc2626;
    --danger-light:  #fef2f2;
    --warning:       #d97706;
    --warning-light: #fffbeb;

    --bg:            #f8fafc;
    --surface:       #ffffff;
    --surface-2:     #f1f5f9;
    --border:        #e2e8f0;
    --border-strong: #cbd5e1;

    --text:          #0f172a;
    --text-2:        #475569;
    --text-3:        #94a3b8;
    --text-inv:      #ffffff;

    --radius-sm:  4px;
    --radius:     8px;
    --radius-lg:  12px;
    --radius-xl:  16px;

    --shadow-sm:  0 1px 2px rgba(0,0,0,.06);
    --shadow:     0 2px 8px rgba(0,0,0,.08);
    --shadow-lg:  0 8px 24px rgba(0,0,0,.12);

    --header-h:   60px;
    --left-w:     320px;
    --right-w:    400px;
    --font:       'Inter', system-ui, -apple-system, sans-serif;
    --mono:       'JetBrains Mono', 'Fira Code', monospace;
}

html, body {
    height: 100%;
    font-family: var(--font);
    font-size: 14px;
    color: var(--text);
    background: var(--bg);
    line-height: 1.5;
}

/* ---------- App Shell ---------- */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* ---------- Header ---------- */
.app-header {
    height: var(--header-h);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
    z-index: 100;
}

.header-left { display: flex; align-items: center; gap: 12px; }

.app-logo {
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-title h1 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}

.header-subtitle {
    font-size: 11px;
    color: var(--text-3);
    font-weight: 400;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.model-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.model-select-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.model-select-group label {
    font-size: 12px;
    color: var(--text-2);
    white-space: nowrap;
    font-weight: 500;
}

.model-select {
    font-size: 12px;
    padding: 4px 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    max-width: 160px;
}

.model-select:focus {
    outline: none;
    border-color: var(--primary);
}

/* ---------- Main Layout ---------- */
.main-layout {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ---------- Left Panel ---------- */
.left-panel {
    width: var(--left-w);
    flex-shrink: 0;
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 16px 12px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.panel-header h2 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}

/* ---------- Input Tabs ---------- */
.input-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    background: var(--surface-2);
}

.tab-btn {
    flex: 1;
    padding: 10px 8px;
    border: none;
    background: transparent;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-2);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all .15s;
}

.tab-btn:hover { color: var(--primary); background: var(--primary-light); }

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: var(--surface);
}

.tab-content {
    display: none;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
    padding: 12px;
    gap: 8px;
}

.tab-content.active {
    display: flex;
}

.field-header {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex-shrink: 0;
}

.field-header label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
}

.field-hint {
    font-size: 11px;
    color: var(--text-3);
}

.editor-textarea {
    flex: 1;
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 13px;
    color: var(--text);
    background: var(--surface);
    resize: none;
    line-height: 1.6;
    transition: border-color .15s;
    min-height: 0;
}

.editor-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79,70,229,.08);
}

.editor-textarea::placeholder { color: var(--text-3); }

.field-status {
    font-size: 11px;
    min-height: 16px;
    flex-shrink: 0;
}

.field-status.success { color: var(--accent); }
.field-status.error   { color: var(--danger); }

.input-actions {
    padding: 12px;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}

/* ---------- Center Panel ---------- */
.center-panel {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 0;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
}

.pipeline-actions {
    display: flex;
    gap: 8px;
}

/* ---------- Pipeline Flow ---------- */
.pipeline-flow {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pipeline-stage {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px;
    box-shadow: var(--shadow-sm);
}

.stage-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--text-3);
    margin-bottom: 12px;
}

.pipeline-nodes {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
/* Post-plan stage: side-by-side nodes */
#stage-post-plan .pipeline-nodes {
    display: flex;
    align-items: stretch;
    gap: 12px;
}
#stage-post-plan .pipeline-node {
    flex: 1;
    min-width: 200px;
}

.pipeline-arrow {
    color: var(--text-3);
    font-size: 18px;
    flex-shrink: 0;
    padding: 0 4px;
}

.pipeline-node {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    min-width: 180px;
    transition: all .15s;
    position: relative;
}

.pipeline-node.running {
    border-color: var(--primary);
    background: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(79,70,229,.1);
}

.pipeline-node.done {
    border-color: var(--accent);
    background: var(--accent-light);
}

.pipeline-node.error {
    border-color: var(--danger);
    background: var(--danger-light);
}

.node-icon {
    font-size: 20px;
    flex-shrink: 0;
    line-height: 1;
}

.node-info { flex: 1; min-width: 0; }

.node-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.node-subtitle {
    font-size: 11px;
    color: var(--text-3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.node-badge { flex-shrink: 0; }

.node-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.node-link, .node-view-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-sm);
    color: var(--text-2);
    text-decoration: none;
    border: none;
    background: transparent;
    cursor: pointer;
    transition: all .15s;
}

.node-link:hover, .node-view-btn:hover {
    background: var(--border);
    color: var(--primary);
}

.node-link.hidden, .node-view-btn.hidden { display: none; }
/* Live session indicator */
.live-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    padding: 2px 6px;
    border-radius: 999px;
    background: rgba(79, 70, 229, 0.08);
    margin-left: 4px;
    white-space: nowrap;
    transition: background .15s;
}
.live-link:hover {
    background: rgba(79, 70, 229, 0.16);
    text-decoration: none;
}
.live-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
    animation: pulse-badge 1.5s infinite;
    flex-shrink: 0;
}


/* ---------- Round Stage ---------- */
.round-stage {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px;
    box-shadow: var(--shadow-sm);
}

.round-stage-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.round-stage-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--primary);
}

.round-answer-btn {
    font-size: 11px;
}

/* ---------- Badges ---------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    white-space: nowrap;
}

.badge-idle    { background: var(--surface-2); color: var(--text-3); border: 1px solid var(--border); }
.badge-running { background: #dbeafe; color: #1d4ed8; border: 1px solid #93c5fd; animation: pulse-badge 1.5s infinite; }
.badge-done    { background: var(--accent-light); color: var(--accent); border: 1px solid #6ee7b7; }
.badge-error   { background: var(--danger-light); color: var(--danger); border: 1px solid #fca5a5; }
.badge-waiting { background: var(--warning-light); color: var(--warning); border: 1px solid #fcd34d; }

@keyframes pulse-badge {
    0%, 100% { opacity: 1; }
    50%       { opacity: .6; }
}

/* ---------- Activity Log ---------- */
.activity-log-container {
    margin-top: 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.activity-log-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-2);
}

.activity-log {
    max-height: 200px;
    overflow-y: auto;
    padding: 8px 0;
    font-family: var(--mono);
    font-size: 12px;
}

.log-entry {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 4px 14px;
    line-height: 1.5;
}

.log-entry:hover { background: var(--surface-2); }

.log-time {
    color: var(--text-3);
    flex-shrink: 0;
    font-size: 11px;
    padding-top: 1px;
}

.log-msg { color: var(--text-2); flex: 1; }
.log-msg.success { color: var(--accent); }
.log-msg.error   { color: var(--danger); }
.log-msg.info    { color: var(--primary); }

.log-msg a { color: var(--primary); text-decoration: none; }
.log-msg a:hover { text-decoration: underline; }

/* ---------- Right Panel ---------- */
.right-panel {
    width: var(--right-w);
    flex-shrink: 0;
    background: var(--surface);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: width .2s ease;
}

.right-panel.collapsed { width: 0; overflow: hidden; }

.viewer-controls {
    display: flex;
    align-items: center;
    gap: 4px;
}

.viewer-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

.viewer-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 12px;
    color: var(--text-3);
    text-align: center;
    padding: 24px;
}

.viewer-empty p {
    font-size: 13px;
    line-height: 1.6;
}

/* Markdown rendering */
.markdown-body { font-size: 13px; line-height: 1.7; color: var(--text); }
.markdown-body h1 { font-size: 20px; font-weight: 700; margin: 0 0 16px; color: var(--text); border-bottom: 2px solid var(--border); padding-bottom: 8px; }
.markdown-body h2 { font-size: 16px; font-weight: 700; margin: 20px 0 10px; color: var(--text); }
.markdown-body h3 { font-size: 14px; font-weight: 600; margin: 16px 0 8px; color: var(--text); }
.markdown-body h4 { font-size: 13px; font-weight: 600; margin: 12px 0 6px; color: var(--text-2); }
.markdown-body p  { margin: 0 0 10px; }
.markdown-body ul, .markdown-body ol { margin: 0 0 10px 20px; }
.markdown-body li { margin-bottom: 4px; }
.markdown-body strong { font-weight: 600; }
.markdown-body em { font-style: italic; }
.markdown-body code { font-family: var(--mono); font-size: 12px; background: var(--surface-2); padding: 1px 5px; border-radius: 3px; }
.markdown-body pre { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; overflow-x: auto; margin: 0 0 12px; }
.markdown-body pre code { background: none; padding: 0; }
.markdown-body blockquote { border-left: 3px solid var(--primary); padding-left: 12px; color: var(--text-2); margin: 0 0 10px; }
.markdown-body hr { border: none; border-top: 1px solid var(--border); margin: 16px 0; }
.markdown-body table { width: 100%; border-collapse: collapse; margin: 0 0 12px; font-size: 12px; }
.markdown-body th { background: var(--surface-2); font-weight: 600; padding: 6px 10px; border: 1px solid var(--border); text-align: left; }
.markdown-body td { padding: 6px 10px; border: 1px solid var(--border); }
.markdown-body tr:nth-child(even) td { background: var(--surface-2); }
.markdown-body input[type="checkbox"] { margin-right: 6px; }

.raw-content {
    font-family: var(--mono);
    font-size: 12px;
    white-space: pre-wrap;
    color: var(--text-2);
    line-height: 1.6;
}

/* ---------- Questions Panel ---------- */
.questions-panel {
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.questions-panel.hidden { display: none; }

.questions-header {
     padding: 10px 12px 8px;
    flex-shrink: 0;
}

.questions-header-row {
     display: flex;
     align-items: center;
     justify-content: space-between;
     margin-bottom: 2px;
}

.questions-header h3 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
}

.questions-hint {
    font-size: 11px;
    color: var(--text-3);
}

#questions-editor-container {
    flex: 1;
    overflow: hidden;
    padding: 0 12px;
    display: flex;
    min-height: 0;
}

.questions-textarea {
    font-family: var(--mono);
    font-size: 12px;
    min-height: 120px;
}

.questions-actions {
    display: flex;
    gap: 8px;
    padding: 8px 12px;
    flex-shrink: 0;
}
/* Questions panel — normal (docked) state */
.questions-panel:not(.hidden) {
     max-height: 55%;
     min-height: 220px;
}
/* Questions panel — maximized state */
.questions-panel.maximized {
     position: fixed;
     inset: 0;
     z-index: 300;
     max-height: 100vh;
     min-height: unset;
     border-radius: 0;
     border-top: none;
     background: var(--surface);
     display: flex;
     flex-direction: column;
}
.questions-panel.maximized #questions-editor-container {
     flex: 1;
     padding: 0 20px;
}
.questions-panel.maximized .questions-textarea {
     font-size: 14px;
     line-height: 1.7;
}
.questions-panel.maximized .questions-header {
     padding: 14px 20px 10px;
     border-bottom: 1px solid var(--border);
     background: var(--surface-2);
}
.questions-panel.maximized .questions-actions {
     padding: 12px 20px;
     border-top: 1px solid var(--border);
     background: var(--surface-2);
}
/* Dim background when questions panel is maximized via a pseudo-overlay */
body:has(.questions-panel.maximized)::before {
     content: '';
     position: fixed;
     inset: 0;
     background: rgba(0, 0, 0, 0.55);
     z-index: 299;   /* just below the maximized panel (z-index: 300) */
     pointer-events: none;
}

/* Ensure the maximized panel itself is always on top and interactive */
.questions-panel.maximized {
     z-index: 300;
     pointer-events: all;
     user-select: text;
     filter: none;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border: none;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all .15s;
    white-space: nowrap;
    text-decoration: none;
    font-family: var(--font);
}

.btn:disabled {
    opacity: .45;
    cursor: not-allowed;
}

.btn-primary  { background: var(--primary); color: var(--text-inv); }
.btn-primary:hover:not(:disabled)  { background: var(--primary-hover); }

.btn-secondary { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover:not(:disabled) { background: var(--border); }

.btn-accent   { background: var(--accent); color: var(--text-inv); }
.btn-accent:hover:not(:disabled)   { background: var(--accent-hover); }

.btn-ghost    { background: transparent; color: var(--text-2); }
.btn-ghost:hover:not(:disabled)    { background: var(--surface-2); color: var(--text); }

.btn-danger   { background: var(--danger); color: var(--text-inv); }
.btn-danger:hover:not(:disabled)   { background: #b91c1c; }

.btn-sm  { padding: 5px 10px; font-size: 12px; }
.btn-xs  { padding: 3px 7px; font-size: 11px; }
.btn-full { width: 100%; justify-content: center; }

/* ---------- Modal ---------- */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal.hidden { display: none; }

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.4);
    backdrop-filter: blur(2px);
}

.modal-content {
    position: relative;
    background: var(--surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 700px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.modal-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

/* ---------- Toast ---------- */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--text);
    color: var(--text-inv);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    font-size: 13px;
    font-weight: 500;
    pointer-events: all;
    animation: slide-in .2s ease;
    max-width: 320px;
}

.toast.success { background: var(--accent); }
.toast.error   { background: var(--danger); }
.toast.info    { background: var(--primary); }

@keyframes slide-in {
    from { transform: translateX(100%); opacity: 0; }
    to   { transform: translateX(0);    opacity: 1; }
}

/* ---------- Loading ---------- */
.loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px;
    color: var(--text-3);
    font-size: 13px;
    gap: 10px;
}

.loading-spinner::before {
    content: '';
    width: 18px;
    height: 18px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin .7s linear infinite;
    flex-shrink: 0;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ---------- Scrollbars ---------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
    :root { --right-w: 340px; }
}

@media (max-width: 900px) {
    .right-panel { display: none; }
    :root { --left-w: 280px; }
}

@media (max-width: 680px) {
    .left-panel { display: none; }
    .model-controls { display: none; }
}
/* ── Right panel expanded / zoom mode ─────────────────────────────────── */
.right-panel.expanded {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 90vw;
    max-width: 90vw;
    z-index: 200;
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.25);
    overflow-y: auto;
    background: var(--surface);
}

/* Dim the rest of the UI when the panel is expanded */
.right-panel.expanded~*,
.main-layout:has(.right-panel.expanded)> :not(.right-panel) {
    filter: brightness(0.55);
    pointer-events: none;
    user-select: none;
}

/* Larger font inside expanded viewer */
.right-panel.expanded .viewer-content {
    font-size: 1.05rem;
    line-height: 1.75;
    padding: 1.5rem 2rem;
}