diff --git a/app/main.py b/app/main.py
index 87e2c52..ed8bc9c 100644
--- a/app/main.py
+++ b/app/main.py
@@ -5,10 +5,47 @@ import json
 import os
 import sqlite3
 from contextlib import asynccontextmanager, closing
-from datetime import datetime
+from datetime import datetime, timezone
 from pathlib import Path
 from typing import Any
 
+
+def _fmt_dur(seconds: float) -> str:
+    if seconds is None or seconds < 0:
+        return ""
+    s = int(seconds)
+    if s < 60:
+        return f"{s}s"
+    m, s = divmod(s, 60)
+    if m < 60:
+        return f"{m}m{s:02d}s" if s else f"{m}m"
+    h, m = divmod(m, 60)
+    if h < 24:
+        return f"{h}h{m:02d}m" if m else f"{h}h"
+    d, h = divmod(h, 24)
+    return f"{d}d{h:02d}h"
+
+
+def _parse_ts(s: str | None) -> datetime | None:
+    if not s:
+        return None
+    try:
+        return datetime.fromisoformat(s.replace("Z", "+00:00"))
+    except Exception:
+        return None
+
+
+def _job_duration_s(job: sqlite3.Row) -> int:
+    start = _parse_ts(job["started_at"])
+    end = _parse_ts(job["finished_at"]) or datetime.now(timezone.utc)
+    if not start:
+        return 0
+    if start.tzinfo is None:
+        start = start.replace(tzinfo=timezone.utc)
+    if end.tzinfo is None:
+        end = end.replace(tzinfo=timezone.utc)
+    return int((end - start).total_seconds())
+
 from fastapi import FastAPI, Form, HTTPException, Request
 from fastapi.responses import HTMLResponse, JSONResponse
 from fastapi.staticfiles import StaticFiles
@@ -79,19 +116,41 @@ templates = Jinja2Templates(directory=Path(__file__).parent / "templates")
 app.mount("/static", StaticFiles(directory=Path(__file__).parent / "static"), name="static")
 
 
+def _build_acquisitions():
+    with closing(db()) as conn:
+        acqs = conn.execute(
+            "SELECT * FROM acquisitions ORDER BY created_at DESC"
+        ).fetchall()
+        jobs = conn.execute(
+            "SELECT * FROM jobs ORDER BY auv, gopro_serial, segment_label"
+        ).fetchall()
+    by_acq: dict[int, list[dict]] = {}
+    by_acq_total: dict[int, int] = {}
+    for j in jobs:
+        d = dict(j)
+        dur_s = _job_duration_s(j)
+        d["_duration"] = _fmt_dur(dur_s)
+        by_acq.setdefault(j["acquisition_id"], []).append(d)
+        by_acq_total[j["acquisition_id"]] = by_acq_total.get(j["acquisition_id"], 0) + dur_s
+
+    return [
+        {
+            "id": acq["id"],
+            "name": acq["name"],
+            "source_path": acq["source_path"],
+            "jobs": by_acq.get(acq["id"], []),
+            "total_duration": _fmt_dur(by_acq_total.get(acq["id"], 0)),
+        }
+        for acq in acqs
+    ]
+
+
 @app.get("/", response_class=HTMLResponse)
 async def index(request: Request):
-    with closing(db()) as conn:
-        jobs = conn.execute("""
-            SELECT j.*, a.name AS acquisition_name
-            FROM jobs j
-            LEFT JOIN acquisitions a ON a.id = j.acquisition_id
-            ORDER BY j.created_at DESC
-            LIMIT 200
-        """).fetchall()
+    acquisitions = _build_acquisitions()
     return templates.TemplateResponse("index.html", {
         "request": request,
-        "jobs": jobs,
+        "acquisitions": acquisitions,
         "workers": WORKERS,
     })
 
@@ -105,15 +164,10 @@ async def list_jobs():
 
 @app.get("/partials/jobs", response_class=HTMLResponse)
 async def partial_jobs(request: Request):
-    with closing(db()) as conn:
-        jobs = conn.execute("""
-            SELECT j.*, a.name AS acquisition_name
-            FROM jobs j
-            LEFT JOIN acquisitions a ON a.id = j.acquisition_id
-            ORDER BY j.created_at DESC
-            LIMIT 200
-        """).fetchall()
-    return templates.TemplateResponse("_jobs_table.html", {"request": request, "jobs": jobs})
+    return templates.TemplateResponse(
+        "_jobs_table.html",
+        {"request": request, "acquisitions": _build_acquisitions()},
+    )
 
 
 @app.get("/partials/monitor", response_class=HTMLResponse)
diff --git a/app/static/style.css b/app/static/style.css
index 9dd500a..c8ab06f 100644
--- a/app/static/style.css
+++ b/app/static/style.css
@@ -46,21 +46,49 @@ progress::-webkit-progress-bar { background: #0a1020; }
 progress::-webkit-progress-value { background: var(--accent); }
 progress::-moz-progress-bar { background: var(--accent); }
 
-table.jobs { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
-table.jobs th, table.jobs td { text-align: left; padding: 0.45rem 0.55rem;
-  border-bottom: 1px solid var(--border); }
-table.jobs th { color: var(--muted); font-weight: normal; text-transform: uppercase;
-  font-size: 0.72rem; letter-spacing: 0.04em; }
-tr.status-done td { color: var(--ok); }
-tr.status-error td { color: var(--err); }
-tr.err-row td { color: var(--err); padding-top: 0; border-top: none; }
+.acq-grid { display: grid; gap: 1rem;
+  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); }
+.acq-col { background: rgba(255,255,255,0.02); border: 1px solid var(--border);
+  border-radius: 8px; padding: 0.75rem; }
+.acq-title { color: var(--text); font-size: 0.95rem; margin: 0 0 0.75rem;
+  padding-bottom: 0.5rem; border-bottom: 1px solid var(--border);
+  display: flex; justify-content: space-between; align-items: baseline; }
+.acq-title .total { color: var(--muted); font-size: 0.8rem; font-weight: normal; }
 
-.pill { padding: 0.15rem 0.5rem; border-radius: 999px; font-size: 0.7rem;
-  background: rgba(255,255,255,0.05); border: 1px solid var(--border); }
-.pill.queued { color: var(--muted); }
-.pill.extracting, .pill.running { color: var(--warn); border-color: var(--warn); }
-.pill.done { color: var(--ok); border-color: var(--ok); }
-.pill.error { color: var(--err); border-color: var(--err); }
+.job-list { list-style: none; margin: 0; padding: 0; }
+.job-list .job-item { display: grid;
+  grid-template-columns: 20px 1fr auto 20px; gap: 0.5rem;
+  align-items: center; padding: 0.25rem 0; font-size: 0.85rem; }
+.job-list .job-item .icon { display: inline-flex; align-items: center; justify-content: center;
+  width: 18px; height: 18px; border-radius: 3px; }
+.job-list .job-item.done .icon { background: var(--ok); color: #062410; font-weight: bold; }
+.job-list .job-item.running .icon,
+.job-list .job-item.extracting .icon { color: var(--accent); }
+.job-list .job-item.running .icon .spin,
+.job-list .job-item.extracting .icon .spin { display: inline-block;
+  animation: spin 1.2s linear infinite; }
+.job-list .job-item.queued .icon { color: var(--muted); }
+.job-list .job-item.error .icon { background: var(--err); color: #fff; font-weight: bold; }
+
+.job-list .label { color: var(--text); overflow: hidden; text-overflow: ellipsis;
+  white-space: nowrap; }
+.job-list .dur { color: var(--muted); font-size: 0.78rem; }
+.job-list .ext { margin-left: 0.5rem; color: var(--accent); font-size: 0.75rem; }
+
+.err-line { color: var(--err); font-size: 0.75rem;
+  padding-left: 28px; padding-bottom: 0.25rem; }
+
+.stitch-section { margin-top: 0.75rem; padding-top: 0.6rem;
+  border-top: 1px dashed var(--border); }
+.stitch-title { display: flex; align-items: center; gap: 0.5rem;
+  color: var(--text); font-size: 0.85rem; margin-bottom: 0.25rem; }
+.stitch-children { list-style: none; padding: 0 0 0 1.4rem; margin: 0; }
+.stitch-children .sub { color: var(--muted); font-size: 0.8rem;
+  padding: 0.15rem 0; display: flex; align-items: center; gap: 0.4rem; }
+
+button.mini { padding: 0 0.4rem; font-size: 0.75rem; line-height: 1.4; }
+
+@keyframes spin { to { transform: rotate(360deg); } }
 
 button { background: transparent; color: var(--accent); border: 1px solid var(--border);
   padding: 0.2rem 0.6rem; border-radius: 6px; cursor: pointer; font-family: inherit; font-size: 0.75rem; }
diff --git a/app/templates/_jobs_table.html b/app/templates/_jobs_table.html
index 0063b96..7a0826b 100644
--- a/app/templates/_jobs_table.html
+++ b/app/templates/_jobs_table.html
@@ -1,44 +1,61 @@
-{% if not jobs %}
-  <p class="muted">Aucun job. Ingeste un dossier d'acquisition via <code>scripts/ingest.py</code>.</p>
+{% macro duration(job) -%}
+{%- if job.started_at and job.finished_at -%}
+  {{ job._duration }}
+{%- elif job.started_at and not job.finished_at -%}
+  {{ job._duration }}
+{%- else -%}&nbsp;
+{%- endif -%}
+{%- endmacro %}
+
+{% if not acquisitions %}
+  <p class="muted">Aucune acquisition. Ingeste un dossier via <code>scripts/ingest.py</code>.</p>
 {% else %}
-<table class="jobs">
-  <thead>
-    <tr>
-      <th>#</th><th>Acquisition</th><th>AUV</th><th>GoPro</th><th>Segment</th>
-      <th>Frames</th><th>Status</th><th>Worker</th><th>Progress</th><th>Actions</th>
-    </tr>
-  </thead>
-  <tbody>
-    {% for j in jobs %}
-    <tr class="status-{{ j.status }}">
-      <td>{{ j.id }}</td>
-      <td>{{ j.acquisition_name }}</td>
-      <td>{{ j.auv }}</td>
-      <td><code>{{ j.gopro_serial }}</code></td>
-      <td>{{ j.segment_label }}</td>
-      <td>{{ j.frame_count or "—" }}</td>
-      <td><span class="pill {{ j.status }}">{{ j.status }}</span></td>
-      <td>{{ j.worker_host or "—" }}</td>
-      <td>
-        {% if j.status == 'running' or j.status == 'extracting' %}
-          <progress value="{{ j.progress }}" max="100"></progress> {{ j.progress }}%
-        {% elif j.status == 'done' and j.viser_url %}
-          <a href="{{ j.viser_url }}" target="_blank">viser</a>
-          {% if j.ply_path %} · <a href="/api/jobs/{{ j.id }}/ply">PLY</a>{% endif %}
-        {% else %}—{% endif %}
-      </td>
-      <td>
-        {% if j.status in ['queued','extracting','running'] %}
-          <button hx-post="/jobs/{{ j.id }}/cancel" hx-target="#jobs-table" hx-swap="outerHTML">Stop</button>
-        {% elif j.status == 'error' %}
-          <button hx-post="/jobs/{{ j.id }}/retry" hx-target="#jobs-table" hx-swap="outerHTML">Retry</button>
-        {% endif %}
-      </td>
-    </tr>
-    {% if j.error %}
-      <tr class="err-row"><td colspan="10"><small>{{ j.error }}</small></td></tr>
-    {% endif %}
-    {% endfor %}
-  </tbody>
-</table>
+<div class="acq-grid">
+  {% for acq in acquisitions %}
+    <div class="acq-col">
+      <h3 class="acq-title">
+        {{ acq.name }} <span class="total">{{ acq.total_duration }}</span>
+      </h3>
+
+      <ul class="job-list">
+      {% for j in acq.jobs %}
+        <li class="job-item {{ j.status }}">
+          <span class="icon">
+            {% if j.status == 'done' %}<span class="check">✓</span>
+            {% elif j.status in ('running','extracting') %}<span class="spin">↻</span>
+            {% elif j.status == 'error' %}<span class="err">✕</span>
+            {% else %}<span class="sq">■</span>{% endif %}
+          </span>
+          <span class="label">
+            {{ j.auv }}/{{ j.gopro_serial }}/{{ j.segment_label }}
+            {% if j.status == 'done' and j.viser_url %}
+              <a class="ext" href="{{ j.viser_url }}" target="_blank">viser</a>
+            {% endif %}
+          </span>
+          <span class="dur">{{ j._duration }}</span>
+          {% if j.status in ('queued','extracting','running') %}
+            <button class="mini" hx-post="/jobs/{{ j.id }}/cancel" hx-target="#jobs-table">×</button>
+          {% elif j.status == 'error' %}
+            <button class="mini" hx-post="/jobs/{{ j.id }}/retry" hx-target="#jobs-table">↻</button>
+          {% endif %}
+        </li>
+        {% if j.error %}<li class="err-line">{{ j.error }}</li>{% endif %}
+      {% endfor %}
+      </ul>
+
+      {# Stitch section (placeholder — wired up once multi-job stitching lands) #}
+      <div class="stitch-section">
+        <div class="stitch-title">
+          <span class="icon"><span class="sq">■</span></span>
+          <span>stitch</span>
+        </div>
+        <ul class="stitch-children">
+          <li class="sub pending"><span class="sq">■</span> pair GP1↔GP2 per AUV</li>
+          <li class="sub pending"><span class="sq">■</span> cross-AUV merge</li>
+          <li class="sub pending"><span class="sq">■</span> final PLY</li>
+        </ul>
+      </div>
+    </div>
+  {% endfor %}
+</div>
 {% endif %}