/* Omni Momento — warm paper-and-ink. Memories deserve serif. */
:root {
    --ink: #2b2620;
    --ink-soft: #6b6258;
    --paper: #faf6ef;
    --paper-deep: #f1eade;
    --card: #fffdf8;
    --line: #e4dccd;
    --accent: #8a5a2b;
    --accent-deep: #6d4419;
    --pin: #b08020;
    --danger: #a23b2e;
    --ok: #3e6b41;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Inter, system-ui, sans-serif;
    background: var(--paper);
    color: var(--ink);
    line-height: 1.55;
}
h1, h2, h3, .brand, .content, .motto { font-family: "Source Serif 4", Georgia, serif; }
a { color: var(--accent-deep); }

.topbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 14px 28px; border-bottom: 1px solid var(--line); background: var(--card);
}
.brand { font-size: 1.35rem; font-weight: 600; text-decoration: none; color: var(--ink); }
.brand span { color: var(--accent); }
.topbar nav a { margin-left: 18px; text-decoration: none; font-size: .95rem; }
.topbar nav a.btn, button {
    background: var(--accent); color: #fff; border: 0; border-radius: 8px;
    padding: 8px 16px; font-size: .95rem; cursor: pointer; text-decoration: none;
}
button:hover, .topbar nav a.btn:hover { background: var(--accent-deep); }

.container { max-width: 760px; margin: 0 auto; padding: 28px 20px 60px; }

.flash { padding: 10px 16px; border-radius: 8px; margin-bottom: 18px; font-size: .95rem; }
.flash-success { background: #e7efe4; color: var(--ok); }
.flash-error { background: #f6e3e0; color: var(--danger); }

/* landing */
.hero { text-align: center; padding-top: 30px; }
.hero h1 { font-size: 2.6rem; line-height: 1.15; margin-bottom: 6px; }
.motto { color: var(--accent); font-size: 1.05rem; margin-top: 0; }
.lede { max-width: 540px; margin: 18px auto; color: var(--ink-soft); font-size: 1.05rem; }
.hero-demo { max-width: 440px; margin: 26px auto; text-align: left; }
.msg { padding: 9px 14px; border-radius: 14px; margin: 7px 0; font-size: .95rem; max-width: 88%; }
.msg-user { background: var(--accent); color: #fff; margin-left: auto; border-bottom-right-radius: 4px; }
.msg-carla { background: var(--card); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.msg-later { margin-top: 20px; }
.points { text-align: left; max-width: 540px; margin: 28px auto; padding-left: 20px; }
.points li { margin: 10px 0; color: var(--ink-soft); }
.points strong { color: var(--ink); }
.cta { margin-top: 30px; }
.btn-big {
    display: inline-block; background: var(--accent); color: #fff; text-decoration: none;
    padding: 13px 26px; border-radius: 10px; font-size: 1.05rem; margin-bottom: 10px;
}
.btn-big:hover { background: var(--accent-deep); }

/* cards & forms */
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 22px 26px; }
.narrow { max-width: 420px; margin: 30px auto; }
label { display: block; margin: 12px 0 4px; font-size: .92rem; color: var(--ink-soft); }
input[type=email], input[type=password], input[type=search], textarea {
    width: 100%; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px;
    font: inherit; background: #fff;
}
form button { margin-top: 14px; }
.hint { color: var(--ink-soft); font-size: .9rem; }

/* vault */
.vault-head h2 { margin-bottom: 2px; }
.vault-stats { color: var(--ink-soft); font-size: .92rem; margin-top: 0; }
.search { display: flex; gap: 8px; margin: 14px 0 4px; }
.search input { flex: 1; }
.search button { margin: 0; }
.search .clear { align-self: center; font-size: .9rem; }

.memories { display: flex; flex-direction: column; gap: 14px; margin-top: 18px; }
.memory {
    background: var(--card); border: 1px solid var(--line); border-radius: 12px;
    padding: 16px 20px;
}
.memory.pinned { border-color: var(--pin); box-shadow: 0 0 0 1px var(--pin); }
.memory.trashed { opacity: .8; }
.memory header { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 6px; }
.dates { color: var(--ink-soft); font-size: .85rem; }
.tag {
    font-size: .75rem; background: var(--paper); border: 1px solid var(--line);
    border-radius: 20px; padding: 2px 10px; margin-left: 4px; color: var(--ink-soft);
}
.tag-pin { border-color: var(--pin); color: var(--pin); }
.tag-purge { border-color: var(--danger); color: var(--danger); }
.content { font-size: 1.08rem; margin: 10px 0 6px; }

.memory details summary { cursor: pointer; font-size: .88rem; color: var(--ink-soft); }
.memory details textarea { margin-top: 8px; }
.actions { display: flex; gap: 16px; margin-top: 8px; }
.actions form { margin: 0; }
button.link {
    background: none; color: var(--accent-deep); padding: 0; font-size: .88rem;
    text-decoration: underline; border-radius: 0; margin: 0;
}
button.link.danger { color: var(--danger); }
button.link:hover { background: none; color: var(--ink); }

.foot {
    text-align: center; color: var(--ink-soft); font-size: .85rem;
    padding: 24px; border-top: 1px solid var(--line);
}