/* EyesClear Help. Palette follows ECPortal (CLAUDE.md "UI Design System" + eyesclear-new-theme). */
:root {
    --ec-primary: #17A2B8;
    --ec-primary-dark: #128293;
    --ec-navy: #23395B;
    --ec-accent: #65B5F6;
    --ec-menu-bg: #f6f8fb;
    --ec-menu-active: #E8EFF8;
    --ec-page-bg: #F5F7FA;
    --ec-border: #DEE2E6;
    --ec-text: #212529;
    --ec-text-2: #6C757D;
    --ec-muted: #ADB5BD;
    --ec-danger: #DC3545;
    --ec-sidebar-w: 280px;
}

html, body { height: 100%; }
body { background: var(--ec-page-bg); color: var(--ec-text); font-family: "Source Sans Pro", -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; font-size: 15px; }
a { color: #007BFF; }
.btn-primary { background: var(--ec-primary); border-color: var(--ec-primary); }
.btn-primary:hover, .btn-primary:focus, .btn-primary:active { background: var(--ec-primary-dark); border-color: var(--ec-primary-dark); }

/* ---------- app shell ---------- */
.ec-app { display: flex; height: 100vh; overflow: hidden; }
.ec-sidebar { width: var(--ec-sidebar-w); flex: 0 0 var(--ec-sidebar-w); background: var(--ec-menu-bg); border-right: 1px solid var(--ec-border); display: flex; flex-direction: column; height: 100vh; }
.ec-main { flex: 1 1 auto; min-width: 0; height: 100vh; display: flex; flex-direction: column; background: #fff; }

.ec-brand { display: flex; align-items: center; gap: 8px; padding: 18px 18px 12px; }
.ec-brand img { height: 22px; }
.ec-brand-suffix { color: var(--ec-primary); font-weight: 600; font-size: 16px; letter-spacing: .3px; }
.ec-sidebar-close { margin-left: auto; background: none; border: 0; color: var(--ec-text-2); font-size: 18px; }

.ec-btn-new { margin: 4px 14px 10px; background: #fff; border: 1px solid var(--ec-border); color: var(--ec-navy); font-weight: 600; text-align: left; border-radius: 8px; padding: 9px 12px; }
.ec-btn-new:hover { border-color: var(--ec-primary); color: var(--ec-primary); background: #fff; }
.ec-btn-new .fa { margin-right: 6px; }

.ec-history { flex: 1 1 auto; overflow-y: auto; padding: 0 8px 12px; }
.ec-history-empty { color: var(--ec-text-2); font-size: 13px; padding: 8px 10px; }
.ec-history-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .6px; color: var(--ec-text-2); padding: 14px 10px 4px; }
.ec-history-item { display: block; padding: 7px 10px; border-radius: 6px; color: var(--ec-navy); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 14px; border-left: 3px solid transparent; }
.ec-history-item:hover, .ec-history-item:focus { background: var(--ec-menu-active); color: var(--ec-navy); text-decoration: none; }
.ec-history-item.active { background: var(--ec-menu-active); border-left-color: var(--ec-primary); font-weight: 600; }

.ec-sidebar-footer { border-top: 1px solid var(--ec-border); padding: 10px 8px; }
.ec-sidebar-footer > a { display: block; padding: 6px 10px; color: var(--ec-navy); border-radius: 6px; font-size: 14px; }
.ec-sidebar-footer > a:hover { background: var(--ec-menu-active); text-decoration: none; }
.ec-signout { display: flex; align-items: center; justify-content: space-between; margin: 6px 0 0; padding: 6px 10px 0; border-top: 1px dashed var(--ec-border); }
.ec-me { color: var(--ec-text-2); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ec-signout .btn-link { color: var(--ec-text-2); font-size: 13px; padding: 4px 0; }

.ec-mobilebar { display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--ec-border); padding: 4px 6px; font-weight: 600; color: var(--ec-navy); }
.ec-mobilebar .btn-link { color: var(--ec-navy); font-size: 18px; }

@media (max-width: 767px) {
    .ec-sidebar { position: fixed; z-index: 1040; left: 0; top: 0; transform: translateX(-100%); transition: transform .2s ease; box-shadow: 0 0 24px rgba(0,0,0,.15); }
    body.ec-sidebar-open .ec-sidebar { transform: none; }
}

/* ---------- chat ---------- */
.ec-chat-header { display: flex; align-items: center; justify-content: space-between; padding: 10px 24px; border-bottom: 1px solid var(--ec-border); }
.ec-chat-title { font-size: 16px; font-weight: 600; margin: 0; color: var(--ec-navy); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ec-chat-header .btn-link { color: var(--ec-text-2); }
.ec-alert-inline { margin: 12px 24px 0; }

.ec-thread { flex: 1 1 auto; overflow-y: auto; padding: 24px 24px 8px; }
.ec-thread > * { max-width: 820px; margin-left: auto; margin-right: auto; }

.ec-welcome { text-align: center; padding: 6vh 0 0; }
.ec-welcome-mark { height: 46px; margin-bottom: 14px; }
.ec-welcome h2 { color: var(--ec-navy); font-size: 26px; font-weight: 600; margin: 0 0 8px; }
.ec-welcome p { color: var(--ec-text-2); max-width: 560px; margin: 0 auto 22px; }
.ec-suggestions { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 10px; text-align: left; }
.ec-suggestion { background: var(--ec-menu-bg); border: 1px solid var(--ec-border); border-radius: 10px; padding: 11px 14px; color: var(--ec-navy); font-size: 14px; text-align: left; }
.ec-suggestion:hover { border-color: var(--ec-primary); background: #fff; }

.ec-msg { margin-bottom: 22px; display: flex; }
.ec-msg-user { justify-content: flex-end; }
.ec-msg-user .ec-bubble { background: var(--ec-menu-active); color: var(--ec-navy); border-radius: 14px 14px 4px 14px; padding: 10px 14px; max-width: 80%; white-space: pre-wrap; word-wrap: break-word; }
.ec-msg-assistant { gap: 12px; align-items: flex-start; }
.ec-avatar { flex: 0 0 30px; height: 30px; border-radius: 50%; background: var(--ec-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 15px; margin-top: 2px; }
.ec-answer { flex: 1 1 auto; min-width: 0; }
.ec-streaming { white-space: pre-wrap; word-wrap: break-word; }
.ec-status { color: var(--ec-text-2); font-size: 13px; margin: 2px 0 8px; }
.ec-status .fa { color: var(--ec-primary); margin-right: 6px; }
.ec-error { color: var(--ec-danger); }
.ec-cursor::after { content: "▍"; color: var(--ec-primary); animation: ec-blink 1s steps(2) infinite; }
@keyframes ec-blink { 50% { opacity: 0; } }

.ec-sources { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.ec-sources-label { font-size: 12px; color: var(--ec-text-2); margin-right: 2px; }
.ec-source { font-size: 12px; background: var(--ec-menu-bg); border: 1px solid var(--ec-border); border-radius: 12px; padding: 2px 10px; color: var(--ec-navy); }
.ec-source:hover { border-color: var(--ec-primary); text-decoration: none; }

.ec-composer { padding: 8px 24px 14px; }
.ec-composer-box { max-width: 820px; margin: 0 auto; display: flex; align-items: flex-end; gap: 8px; border: 1px solid var(--ec-border); border-radius: 14px; padding: 8px 8px 8px 14px; background: #fff; box-shadow: 0 2px 10px rgba(35,57,91,.06); }
.ec-composer-box:focus-within { border-color: var(--ec-primary); }
.ec-composer textarea { flex: 1 1 auto; border: 0; resize: none; outline: none; max-height: 220px; line-height: 1.45; padding: 6px 0; background: transparent; }
.ec-btn-send { flex: 0 0 36px; width: 36px; height: 36px; border-radius: 50%; background: var(--ec-primary); color: #fff; padding: 0; }
.ec-btn-send:hover, .ec-btn-send:focus { background: var(--ec-primary-dark); color: #fff; }
.ec-btn-send[disabled] { background: var(--ec-muted); }
.ec-composer-note { max-width: 820px; margin: 6px auto 0; text-align: center; font-size: 12px; color: var(--ec-text-2); }

/* Markdown (answers + guide) */
.ec-markdown { line-height: 1.6; word-wrap: break-word; }
.ec-markdown > :first-child { margin-top: 0; }
.ec-markdown h1, .ec-markdown h2, .ec-markdown h3, .ec-markdown h4 { color: var(--ec-navy); font-weight: 600; }
.ec-markdown h2 { font-size: 20px; margin-top: 28px; }
.ec-markdown h3 { font-size: 17px; margin-top: 20px; }
.ec-markdown h4 { font-size: 15px; }
.ec-markdown table { border-collapse: collapse; margin: 10px 0 16px; width: auto; max-width: 100%; display: block; overflow-x: auto; }
.ec-markdown th, .ec-markdown td { border: 1px solid var(--ec-border); padding: 6px 10px; vertical-align: top; }
.ec-markdown th { background: var(--ec-menu-bg); }
.ec-markdown code { color: var(--ec-navy); background: var(--ec-menu-bg); }
.ec-markdown pre { background: var(--ec-menu-bg); border-color: var(--ec-border); }
.ec-markdown blockquote { font-size: inherit; border-left-color: var(--ec-primary); color: var(--ec-text-2); }

/* ---------- regular pages ---------- */
.ec-page { overflow-y: auto; }
.ec-page-inner { padding: 28px 32px 48px; max-width: 1100px; }
.ec-page-inner.ec-narrow { max-width: 560px; }
.ec-page h1 { color: var(--ec-navy); font-size: 24px; font-weight: 600; margin-top: 0; }
.ec-page-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.ec-table thead th { background: var(--ec-menu-bg); }

.ec-guide-search { margin: 16px 0 24px; max-width: 640px; }
.ec-chapters { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.ec-chapter-card { border: 1px solid var(--ec-border); border-radius: 10px; padding: 14px 18px; background: #fff; }
.ec-chapter-card h2 { font-size: 16px; margin: 0 0 8px; }
.ec-chapter-card h2 a { color: var(--ec-navy); }
.ec-chapter-card ul { padding-left: 18px; margin: 0; font-size: 13px; }
.ec-hit { padding: 10px 0; border-bottom: 1px solid var(--ec-border); }
.ec-hit a { font-weight: 600; }
.ec-hit p { color: var(--ec-text-2); margin: 4px 0 0; font-size: 13px; }

.ec-guide { display: flex; }
.ec-guide-toc { flex: 0 0 240px; position: sticky; top: 0; align-self: flex-start; max-height: 100vh; overflow-y: auto; padding: 28px 12px 28px 24px; font-size: 13px; }
.ec-guide-toc a { display: block; padding: 4px 8px; color: var(--ec-navy); border-radius: 4px; }
.ec-guide-toc a:hover { background: var(--ec-menu-active); text-decoration: none; }
.ec-guide-toc-title { font-weight: 700; text-transform: uppercase; font-size: 11px; color: var(--ec-text-2); margin: 14px 8px 6px; letter-spacing: .5px; }
.ec-guide-body { flex: 1 1 auto; min-width: 0; padding: 28px 32px 64px; max-width: 900px; }
.ec-guide-back { font-size: 13px; color: var(--ec-text-2); display: inline-block; margin-bottom: 10px; }
.ec-guide-body h2 { padding-top: 10px; border-top: 1px solid var(--ec-border); }
:target { scroll-margin-top: 12px; }
h2:target, h3:target { background: #fff8e1; }

/* ---------- login / error ---------- */
.ec-login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.ec-login { width: 100%; max-width: 380px; background: #fff; border: 1px solid var(--ec-border); border-radius: 12px; padding: 32px 30px; box-shadow: 0 6px 24px rgba(35,57,91,.08); margin: 16px; }
.ec-login-logo { height: 28px; }
.ec-login h1 { color: var(--ec-primary); font-size: 22px; font-weight: 600; margin: 10px 0 6px; }
.ec-login-lead { color: var(--ec-text-2); margin-bottom: 20px; }
.ec-login-help { color: var(--ec-text-2); font-size: 12px; margin: 16px 0 0; text-align: center; }

/* sign-in doors, as on ECEntityInvestigation's page */
.ec-linkline { margin: 6px 0 0; font-size: 13px; }
.ec-sep { display: flex; align-items: center; gap: 10px; color: var(--ec-text-2); font-size: 13px; margin: 18px 0 12px; }
.ec-sep::before, .ec-sep::after { content: ""; flex: 1; border-top: 1px solid var(--ec-border); }
.ec-sso { display: flex; align-items: center; justify-content: center; gap: 10px; border: 1px solid var(--ec-border); border-radius: 6px; padding: 8px 12px; color: var(--ec-text); margin-bottom: 8px; background: #fff; font-weight: 600; }
.ec-sso:hover { border-color: var(--ec-primary); text-decoration: none; color: var(--ec-text); }

/* terms gate */
.ec-terms { width: 100%; max-width: 820px; background: #fff; border: 1px solid var(--ec-border); border-radius: 12px; padding: 32px 36px; margin: 24px 16px; }
.ec-terms h1 { color: var(--ec-navy); font-size: 22px; font-weight: 600; margin: 12px 0 6px; }
.ec-legal { margin: 18px 0; }
.ec-legal h2 { font-size: 18px; color: var(--ec-navy); margin-bottom: 2px; }
.ec-legal-body { max-height: 320px; overflow-y: auto; border: 1px solid var(--ec-border); border-radius: 8px; padding: 14px 18px; background: var(--ec-menu-bg); font-size: 14px; }
.ec-terms-signout { margin-top: 10px; }
.ec-login-page { overflow-y: auto; }