:root {
    --bg: #f3f1eb;
    --bg-2: #ebe6dc;
    --surface: #fffdf8;
    --ink: #1b2420;
    --muted: #5f6b64;
    --line: #d8d2c6;
    --brand: #0f5c4c;
    --brand-2: #14806a;
    --accent: #c45c26;
    --ok: #1f7a4c;
    --warn: #9a6b12;
    --danger: #a33b2d;
    --shadow: 0 10px 30px rgba(27, 36, 32, 0.08);
    --radius: 16px;
    --font: "DM Sans", sans-serif;
    --display: "Instrument Serif", Georgia, serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: var(--font);
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(20,128,106,.12), transparent 28%),
        linear-gradient(160deg, #f7f4ee 0%, #efe9df 45%, #e7f0ec 100%);
    min-height: 100vh;
}

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-2); }

.app-shell { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
.sidebar {
    background: linear-gradient(180deg, #12352e 0%, #0f2a25 100%);
    color: #f4f7f5;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: sticky;
    top: 0;
    height: 100vh;
}
.brand { display: flex; gap: .85rem; align-items: center; }
.brand-mark {
    width: 42px; height: 42px; border-radius: 12px;
    display: grid; place-items: center;
    background: linear-gradient(135deg, #1aa884, #0f5c4c);
    font-weight: 700;
}
.brand strong { display: block; font-size: 1rem; }
.brand small { color: #a9c0b8; }

.nav { display: flex; flex-direction: column; gap: .35rem; flex: 1; }
.nav a {
    color: #d7e6e1;
    padding: .75rem .9rem;
    border-radius: 12px;
    transition: .15s ease;
}
.nav a:hover, .nav a.active {
    background: rgba(255,255,255,.08);
    color: #fff;
}

.sidebar-foot { margin-top: auto; display: grid; gap: .75rem; }
.user-chip {
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 12px;
    padding: .8rem .9rem;
}
.user-chip strong { display: block; }
.user-chip span { color: #a9c0b8; font-size: .85rem; }

.main { min-width: 0; }
.topbar {
    display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem;
    padding: 1.4rem 1.5rem .5rem;
}
.topbar h1 {
    margin: 0;
    font-family: var(--display);
    font-size: clamp(1.8rem, 2.5vw, 2.4rem);
    font-weight: 400;
}
.topbar-actions { display: flex; gap: .6rem; flex-wrap: wrap; }
.menu-toggle {
    display: none;
    border: 1px solid var(--line);
    background: var(--surface);
    border-radius: 10px;
    width: 42px; height: 42px;
}
.content { padding: 1rem 1.5rem 2rem; }

.muted { color: var(--muted); margin: .25rem 0 0; }
.grid { display: grid; gap: 1rem; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stats { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); margin-bottom: 1.25rem; }
.stat {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1rem 1.1rem;
    box-shadow: var(--shadow);
}
.stat span { display: block; color: var(--muted); font-size: .85rem; margin-bottom: .35rem; }
.stat strong { font-size: 1.7rem; font-family: var(--display); font-weight: 400; }

.panel {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.15rem 1.25rem;
}
.panel + .panel { margin-top: 1rem; }
.panel h2, .panel h3 {
    margin: 0 0 1rem;
    font-family: var(--display);
    font-weight: 400;
    font-size: 1.45rem;
}

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
    border: 0; border-radius: 999px; padding: .7rem 1.1rem;
    font: inherit; font-weight: 600; cursor: pointer;
    transition: .15s ease;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-2); color: #fff; }
.btn-secondary { background: #e8efeC; color: var(--ink); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-ghost { background: transparent; color: #d7e6e1; border: 1px solid rgba(255,255,255,.15); }
.btn-block { width: 100%; }
.btn-sm { padding: .45rem .8rem; font-size: .9rem; }

.form-grid { display: grid; gap: 1rem; }
.form-row { display: grid; gap: .4rem; }
.form-row.two { grid-template-columns: 1fr 1fr; gap: 1rem; }
label { font-weight: 600; font-size: .92rem; }
input[type="text"], input[type="email"], input[type="password"], input[type="date"],
select, textarea {
    width: 100%;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 12px;
    padding: .75rem .9rem;
    font: inherit;
    color: var(--ink);
}
textarea { min-height: 110px; resize: vertical; }
.help { color: var(--muted); font-size: .85rem; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .85rem .5rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; font-weight: 600; }

.badge {
    display: inline-flex; align-items: center;
    padding: .28rem .65rem; border-radius: 999px;
    font-size: .78rem; font-weight: 700;
    background: #e8efeC; color: var(--brand);
}
.badge.not_started, .badge.pending { background: #f3ece0; color: var(--warn); }
.badge.in_progress { background: #e4eefb; color: #1d4f91; }
.badge.on_hold { background: #f4e6e3; color: var(--danger); }
.badge.completed, .badge.delivered { background: #e3f3ea; color: var(--ok); }
.badge.testing_pending { background: #efe8fb; color: #5b3d91; }

.alert {
    border-radius: 14px;
    padding: .9rem 1rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
}
.alert-success { background: #e8f6ee; border-color: #bfe3cd; color: #185f38; }
.alert-error { background: #fae6e3; border-color: #efc3bc; color: #812f24; }
.alert ul { margin: 0; padding-left: 1.1rem; }

.auth-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1.5rem;
    background:
        radial-gradient(circle at 20% 20%, rgba(20,128,106,.18), transparent 30%),
        radial-gradient(circle at 80% 0%, rgba(196,92,38,.16), transparent 26%),
        linear-gradient(160deg, #f7f4ee, #e8f0ec);
}
.auth-card {
    width: min(440px, 100%);
    background: rgba(255,253,248,.92);
    border: 1px solid var(--line);
    border-radius: 24px;
    box-shadow: var(--shadow);
    padding: 1.6rem;
    backdrop-filter: blur(8px);
}
.auth-card h1 {
    font-family: var(--display);
    font-weight: 400;
    font-size: 2.1rem;
    margin: .2rem 0 .4rem;
}
.auth-links { display: flex; gap: .6rem; margin-top: 1rem; flex-wrap: wrap; }
.stack { display: grid; gap: .9rem; }
.meta-list { display: grid; gap: .65rem; }
.meta-list div { display: grid; gap: .15rem; }
.meta-list span { color: var(--muted); font-size: .82rem; }
.file-list { display: flex; flex-wrap: wrap; gap: .5rem; }
.file-chip {
    display: inline-flex; align-items: center;
    padding: .45rem .7rem; border-radius: 999px;
    background: #eef4f1; border: 1px solid var(--line); font-size: .88rem;
}
.empty {
    padding: 1.4rem;
    border: 1px dashed var(--line);
    border-radius: 14px;
    color: var(--muted);
    text-align: center;
}
.timeline { display: grid; gap: .8rem; }
.timeline-item {
    border-left: 3px solid var(--brand);
    padding-left: .9rem;
}
.welcome-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 2rem 1.25rem;
    background:
        linear-gradient(120deg, rgba(15,92,76,.88), rgba(18,53,46,.82)),
        url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"),
        #0f2a25;
    color: #fff;
    text-align: center;
}
.welcome-inner { width: min(720px, 100%); }
.welcome-page .eyebrow {
    display: inline-block;
    letter-spacing: .12em;
    text-transform: uppercase;
    font-size: .78rem;
    color: #b7d7ce;
    margin-bottom: .8rem;
}
.welcome-page h1 {
    font-family: var(--display);
    font-weight: 400;
    font-size: clamp(2.6rem, 7vw, 4.4rem);
    margin: 0 0 .7rem;
}
.welcome-page p {
    color: #d5e7e1;
    font-size: 1.08rem;
    margin: 0 auto 1.5rem;
    max-width: 36rem;
}
.welcome-actions { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; }
.welcome-actions .btn { min-width: 180px; }
.welcome-actions .btn-light { background: #fff; color: #12352e; }
.welcome-actions .btn-outline { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.35); }

@media (max-width: 960px) {
    .app-shell { grid-template-columns: 1fr; }
    .sidebar {
        position: fixed; inset: 0 auto 0 0; width: min(280px, 86vw);
        transform: translateX(-105%); z-index: 30; transition: .2s ease;
    }
    .sidebar.open { transform: translateX(0); }
    .menu-toggle { display: inline-grid; place-items: center; }
    .grid-2, .grid-3, .grid-4, .form-row.two { grid-template-columns: 1fr; }
    .topbar { flex-wrap: wrap; }
}

.day-pill {
    display: inline-flex;
    align-items: center;
    padding: .35rem .7rem;
    border-radius: 999px;
    background: #12352e;
    color: #fff;
    font-size: .82rem;
    font-weight: 700;
}
.day-tracker {
    display: flex;
    flex-wrap: wrap;
    gap: .35rem;
}
.day-dot {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    font-size: .78rem;
    font-weight: 700;
    border: 1px solid var(--line);
    background: #f4efe6;
    color: var(--muted);
}
.day-dot.logged {
    background: #e3f3ea;
    color: var(--ok);
    border-color: #bfe3cd;
}
.day-dot.missing {
    background: #fae6e3;
    color: var(--danger);
    border-color: #efc3bc;
}
.day-dot.future {
    background: #f7f4ee;
    color: #9aa39d;
}
.day-dot.today {
    outline: 2px solid var(--brand);
    outline-offset: 1px;
}
.needs-attention {
    border-color: #efc3bc;
    background: linear-gradient(180deg, #fff8f6, #fffdf8);
}
.all-clear {
    border-color: #bfe3cd;
    background: linear-gradient(180deg, #f3faf6, #fffdf8);
}
.checklist {
    margin: .6rem 0 0;
    padding-left: 0;
    list-style: none;
    display: grid;
    gap: .65rem;
}
.checklist li {
    display: flex;
    flex-wrap: wrap;
    gap: .45rem;
    align-items: center;
}
.alert-panel h2 { margin-bottom: .35rem; }