/* Agent Notes — single stylesheet, responsive, dark by default with light theme via [data-theme] */

:root,
:root[data-theme="dark"] {
    color-scheme: dark;
    --bg: #0d1014;
    --bg-soft: #14181e;
    --bg-raised: #191e26;
    --text: #e8eaee;
    --text-muted: #98a1b0;
    --accent: #8b74ff;
    --accent-hover: #a191ff;
    --accent-contrast: #ffffff;
    --border: #262d38;
    --border-strong: #333c4a;
    --danger: #f97066;
    --danger-soft: rgba(249, 112, 102, .09);
    --success-soft: rgba(20, 160, 90, .12);
    --success-text: #75dfa7;
    --code-bg: #1c222b;
    --shadow: 0 1px 2px rgba(0, 0, 0, .5), 0 4px 16px rgba(0, 0, 0, .25);
    --hero-glow: rgba(139, 116, 255, .10);
}

:root[data-theme="light"] {
    color-scheme: light;
    --bg: #ffffff;
    --bg-soft: #f7f8fa;
    --bg-raised: #ffffff;
    --text: #1a1d21;
    --text-muted: #5d6675;
    --accent: #6446fa;
    --accent-hover: #4f33e0;
    --accent-contrast: #ffffff;
    --border: #e4e7ec;
    --border-strong: #d0d5dd;
    --danger: #d92d20;
    --danger-soft: #fef3f2;
    --success-soft: #ecfdf3;
    --success-text: #067647;
    --code-bg: #f2f4f7;
    --shadow: 0 1px 3px rgba(16, 24, 40, .08), 0 4px 12px rgba(16, 24, 40, .04);
    --hero-glow: rgba(100, 70, 250, .06);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    display: flex;
    min-height: 100vh;
    flex-direction: column;
}

main { flex: 1; }

.container { max-width: 900px; margin: 0 auto; padding: 0 1.5rem; }
.narrow { max-width: 560px; }
.center { text-align: center; }
.section { padding: 2.75rem 1.5rem; }
.muted { color: var(--text-muted); }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { line-height: 1.25; }
h2 { margin-top: 0; }
.count { color: var(--text-muted); font-weight: 400; font-size: 1rem; }

/* Header / footer */
.site-header {
    border-bottom: 1px solid var(--border);
    background: var(--bg);
    position: sticky;
    top: 0;
    z-index: 10;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding-top: .8rem; padding-bottom: .8rem; }
.brand { font-weight: 700; font-size: 1.1rem; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-mark { color: var(--accent); }
.site-nav { display: flex; align-items: center; gap: .9rem; }
.site-nav a { color: var(--text); }
.site-footer { border-top: 1px solid var(--border); padding: 1.5rem 0; color: var(--text-muted); font-size: .875rem; }

/* Theme toggle */
.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.15rem;
    height: 2.15rem;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text);
    font-size: 1.05rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

/* Hero */
.hero {
    padding: 4.5rem 0 3.25rem;
    text-align: center;
    background:
        radial-gradient(ellipse 70% 60% at 50% -10%, var(--hero-glow), transparent),
        var(--bg);
    border-bottom: 1px solid var(--border);
}
.hero h1 { font-size: clamp(1.9rem, 5vw, 3rem); margin: 0 auto 1rem; max-width: 720px; }
.accent { color: var(--accent); }
.lede { font-size: 1.15rem; color: var(--text-muted); max-width: 640px; margin: 0 auto 1.9rem; }
.hero-actions { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: .55rem 1.15rem;
    border-radius: 9px;
    border: 1px solid transparent;
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    line-height: 1.4;
    text-align: center;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: var(--accent-contrast); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border-strong); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-sm { padding: .32rem .75rem; font-size: .85rem; }

/* Steps + FAQ */
.steps { padding-left: 1.25rem; }
.steps li { margin-bottom: .75rem; }
.faq { list-style: none; padding: 0; }
.faq li { padding: .65rem 0; border-bottom: 1px solid var(--border); }
.faq li:last-child { border-bottom: none; }

/* Code blocks */
code {
    background: var(--code-bg);
    padding: .15em .4em;
    border-radius: 5px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: .9em;
    overflow-wrap: anywhere;
}
.codeblock {
    position: relative;
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    overflow: hidden; /* the inner <code> scrolls, so .copy-btn stays pinned */
    margin: .75rem 0;
}
.codeblock code { background: none; padding: 0 4.5rem .35rem 0; display: block; white-space: pre; overflow-x: auto; }
.codeblock-label {
    display: block;
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin: 1.1rem 0 .25rem;
}
.copy-btn {
    position: absolute;
    top: .5rem;
    right: .5rem;
    padding: .28rem .65rem;
    font-size: .78rem;
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    background: var(--bg);
    color: var(--text-muted);
    cursor: pointer;
}
.copy-btn:hover { color: var(--accent); border-color: var(--accent); }

/* Forms */
input[type="email"], input[type="text"] {
    padding: .6rem .85rem;
    border: 1px solid var(--border-strong);
    border-radius: 9px;
    background: var(--bg);
    color: var(--text);
    font-size: 1rem;
    font-family: inherit;
    min-width: 0;
}
input::placeholder { color: var(--text-muted); opacity: .8; }
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.signin-form, .token-create-form, .account-delete-form { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: 1rem; }
.signin-form input[type="email"], .token-create-form input[type="text"] { flex: 1 1 260px; }
.inline-form { display: inline; }
.verify-form { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; margin: 1.5rem 0; }
.code-input {
    font-family: ui-monospace, Menlo, monospace;
    font-size: 1.6rem;
    letter-spacing: .5em;
    text-align: center;
    width: 11em;
    max-width: 100%;
}

/* Flash + banners */
.flash { padding: .8rem 1.1rem; border-radius: 10px; margin: 1.25rem 0; }
.flash-error { background: var(--danger-soft); color: var(--danger); border: 1px solid var(--danger); }
.flash-success { background: var(--success-soft); color: var(--success-text); border: 1px solid var(--success-text); }

.token-banner {
    border: 1.5px solid var(--accent);
    border-radius: 14px;
    padding: 1.5rem 1.75rem;
    margin: 1.75rem 0;
    background: var(--bg-soft);
    box-shadow: var(--shadow);
}
.token-banner h3 { margin: 0 0 .35rem; }
.token-banner > p { margin: .25rem 0 .75rem; }

/* Cards (dashboard) */
.card {
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.75rem 2rem;
    margin: 1.75rem 0;
    box-shadow: var(--shadow);
}
.card-head { margin-bottom: 1.25rem; }
.card-head h2 { margin: 0 0 .2rem; font-size: 1.25rem; }
.card-head p { margin: 0; color: var(--text-muted); font-size: .92rem; }

.page-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 2.25rem 0 .5rem;
}
.page-head h1 { margin: 0; font-size: 1.9rem; }
.email-pill {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .35rem .9rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--bg-soft);
    color: var(--text-muted);
    font-size: .88rem;
}
.email-pill::before { content: "●"; color: var(--success-text); font-size: .6rem; }

.stats-row { display: flex; gap: 1rem; flex-wrap: wrap; margin: 1.25rem 0 .25rem; }
.stat-tile {
    flex: 1 1 140px;
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: .9rem 1.25rem;
}
.stat-tile .stat-value { font-size: 1.6rem; font-weight: 700; line-height: 1.2; }
.stat-tile .stat-label { color: var(--text-muted); font-size: .84rem; }

.empty-state {
    text-align: center;
    padding: 2.25rem 1rem;
    color: var(--text-muted);
    border: 1px dashed var(--border-strong);
    border-radius: 12px;
}
.empty-state p { margin: 0 0 .35rem; }

/* Tables */
.table-wrap { overflow-x: auto; margin: .25rem 0 1.25rem; border: 1px solid var(--border); border-radius: 12px; background: var(--bg); }
table { border-collapse: collapse; width: 100%; font-size: .93rem; }
th, td { text-align: left; padding: .8rem 1.1rem; border-bottom: 1px solid var(--border); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--bg-soft); }
thead th {
    background: var(--bg-soft);
    font-weight: 600;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--text-muted);
}
.row-actions { display: flex; gap: .45rem; align-items: center; white-space: nowrap; }
.actions-col { width: 1%; }

/* Danger zone */
.card-danger { border-color: var(--danger); background: var(--danger-soft); }
.card-danger .card-head h2 { color: var(--danger); }
.card-danger p { max-width: 60ch; }

/* Note page + rendered markdown */
.note-container { padding: 2.75rem 1.5rem; }
.note-header { border-bottom: 1px solid var(--border); padding-bottom: 1.25rem; margin-bottom: 1.75rem; }
.note-title { margin: 0 0 .4rem; font-size: clamp(1.6rem, 4vw, 2.3rem); }
.note-meta { color: var(--text-muted); font-size: .9rem; margin-bottom: .9rem; }
.note-actions { display: flex; gap: .5rem; flex-wrap: wrap; }

.markdown-body { font-size: 1.02rem; overflow-wrap: break-word; }
.markdown-body h1, .markdown-body h2 { border-bottom: 1px solid var(--border); padding-bottom: .3em; margin-top: 1.6em; }
.markdown-body img, .markdown-body video, .markdown-body iframe { max-width: 100%; height: auto; border-radius: 8px; }
.markdown-body pre {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem;
    overflow-x: auto;
}
.markdown-body pre code { background: none; padding: 0; }
.markdown-body blockquote {
    margin: 1em 0;
    padding: .25em 1em;
    border-left: 4px solid var(--accent);
    color: var(--text-muted);
    background: var(--bg-soft);
    border-radius: 0 8px 8px 0;
}
.markdown-body table { display: block; overflow-x: auto; width: max-content; max-width: 100%; border: 1px solid var(--border); border-radius: 8px; }
.markdown-body hr { border: none; border-top: 1px solid var(--border); margin: 2em 0; }
.markdown-body input[type="checkbox"] { min-width: auto; }

@media (max-width: 640px) {
    .section { padding: 1.9rem .25rem; }
    .hero { padding: 3rem 0 2.25rem; }
    .card { padding: 1.25rem 1.1rem; }
    .row-actions { flex-wrap: wrap; white-space: normal; }
    .page-head { margin-top: 1.5rem; }
}