:root {
  --bg: #0c0907;
  --surface: #18110c;
  --surface-raised: #24180f;
  --gold: #c7a96e;
  --gold-bright: #ecd49b;
  --text: #eadfc9;
  --muted: #a79678;
  --border: rgba(216, 184, 124, .19);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { min-height: 100vh; margin: 0; color: var(--text); background: radial-gradient(circle at 70% 12%, rgba(112, 77, 38, .16), transparent 27%), linear-gradient(180deg, #15100c, var(--bg) 72%); font-family: Georgia, 'Times New Roman', serif; }
body::before { content: ''; position: fixed; inset: 0; pointer-events: none; opacity: .14; background: repeating-linear-gradient(90deg, rgba(255,255,255,.018) 0 1px, transparent 1px 4px); }
.login-shell { position: relative; display: grid; min-height: 100vh; padding: 24px; place-items: center; }
.login-card { width: min(100%, 470px); padding: 58px 46px; text-align: center; background: linear-gradient(145deg, rgba(50, 34, 20, .72), rgba(20, 13, 9, .9)); border: 1px solid var(--border); border-radius: 18px; box-shadow: 0 26px 60px rgba(0, 0, 0, .28); }
.login-card h1 { margin: 10px 0 16px; font-size: clamp(34px, 5vw, 48px); }
.login-card__ornament { margin: 0 0 18px; color: var(--gold); font-size: 27px; }
.login-card__text, .login-card__status { color: var(--muted); font-size: 15px; line-height: 1.65; }
.login-button { width: 100%; margin-top: 18px; padding: 13px 16px; color: #171008; background: var(--gold-bright); border: 1px solid var(--gold); border-radius: 9px; font: inherit; cursor: pointer; }
.login-button:hover, .login-button:focus-visible { background: #fff0bf; outline: 2px solid var(--gold); outline-offset: 3px; }
.login-card__status { min-height: 24px; margin: 16px 0 0; font-size: 13px; }
.admin-shell { position: relative; display: grid; grid-template-columns: 270px minmax(0, 1fr); min-height: 100vh; }
.admin-sidebar { display: flex; flex-direction: column; padding: 32px 20px; background: linear-gradient(180deg, rgba(37, 27, 18, .98), rgba(13, 10, 7, .98)); border-right: 1px solid var(--border); }
.eyebrow { margin: 0; color: #806b49; font-size: 11px; letter-spacing: .2em; text-transform: uppercase; }
h1 { margin: 10px 0 30px; color: var(--gold-bright); font-size: 25px; font-weight: 400; line-height: 1.1; }
.admin-nav { display: grid; gap: 8px; }
.admin-nav__item { width: 100%; padding: 13px 14px; color: var(--muted); text-align: left; background: transparent; border: 1px solid transparent; border-radius: 9px; font: inherit; cursor: pointer; transition: .2s ease; }
.admin-nav__item:hover, .admin-nav__item:focus-visible, .admin-nav__item.is-active { color: var(--gold-bright); background: rgba(104, 72, 37, .2); border-color: var(--border); outline: none; }
.admin-sidebar__note { margin: auto 5px 0; padding-top: 20px; color: var(--muted); border-top: 1px solid var(--border); font-size: 13px; line-height: 1.6; }
.admin-content { padding: clamp(28px, 5vw, 72px); }
.admin-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
h2 { margin: 8px 0 0; color: var(--gold-bright); font-size: clamp(34px, 4vw, 54px); font-weight: 400; }
.status-badge { padding: 8px 11px; color: var(--gold); background: rgba(112, 77, 38, .18); border: 1px solid rgba(199, 169, 110, .32); border-radius: 99px; font-size: 12px; }
.session-actions { display: flex; align-items: center; gap: 10px; }
.session-button { padding: 9px 13px; color: #171008; background: var(--gold-bright); border: 1px solid var(--gold); border-radius: 99px; font: inherit; font-size: 13px; cursor: pointer; }
.session-button:hover, .session-button:focus-visible { background: #fff0bf; outline: 2px solid var(--gold); outline-offset: 2px; }
.admin-card { max-width: 680px; margin: 12vh auto 0; padding: 56px 44px; text-align: center; background: linear-gradient(145deg, rgba(50, 34, 20, .58), rgba(20, 13, 9, .85)); border: 1px solid var(--border); border-radius: 16px; box-shadow: 0 26px 60px rgba(0, 0, 0, .24); }
.admin-card__ornament { margin: 0 0 18px; color: var(--gold); font-size: 25px; }
.admin-card h3 { margin: 0; color: var(--gold-bright); font-size: 25px; font-weight: 400; }
.admin-card p:last-child { max-width: 500px; margin: 14px auto 0; color: var(--muted); font-size: 15px; line-height: 1.65; }
.note-editor { display: grid; grid-template-columns: 1fr 1fr 1fr auto; gap: 14px; max-width: 980px; margin: 42px auto 0; padding: 20px; background: rgba(34, 23, 14, .65); border: 1px solid var(--border); border-radius: 12px; }
.note-editor__heading { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: baseline; gap: 18px; }
.note-editor h3 { margin: 6px 0 0; color: var(--gold-bright); font-size: 22px; font-weight: 400; }
.note-editor__heading p:last-child { margin: 0; color: var(--muted); font-size: 13px; }
.note-editor label { display: grid; gap: 7px; color: var(--muted); font-size: 13px; }
.note-editor input, .note-editor select { min-width: 0; padding: 10px; color: var(--text); background: #140e0a; border: 1px solid var(--border); border-radius: 7px; font: inherit; }
.note-editor button, .archive-delete { align-self: end; padding: 11px 14px; color: #171008; background: var(--gold-bright); border: 1px solid var(--gold); border-radius: 7px; font: inherit; cursor: pointer; }
.archive-delete { margin-left: 8px; padding: 3px 7px; color: var(--muted); background: transparent; border-color: var(--border); font-size: 11px; }
.archive-overview { max-width: 980px; margin: 36px auto 0; }
.archive-summary { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-bottom: 24px; }
.archive-summary__item, .archive-course { padding: 18px; background: rgba(34, 23, 14, .65); border: 1px solid var(--border); border-radius: 12px; }
.archive-summary__item span { display: block; color: var(--muted); font-size: 13px; }
.archive-summary__item strong { display: block; margin-top: 7px; color: var(--gold-bright); font-size: 25px; font-weight: 400; }
.archive-courses { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.archive-course h3 { margin: 0; color: var(--gold-bright); font-size: 19px; font-weight: 400; }
.archive-course p { margin: 8px 0 0; color: var(--muted); font-size: 14px; }
.archive-course ul { margin: 15px 0 0; padding-left: 18px; color: var(--text); font-size: 14px; line-height: 1.7; }
.archive-course li.empty { color: var(--muted); font-style: italic; }
@media (max-width: 680px) { .admin-shell { grid-template-columns: 1fr; } .admin-sidebar { padding: 22px 18px; } h1 { margin-bottom: 18px; } .admin-nav { grid-template-columns: repeat(3, 1fr); } .admin-nav__item { padding: 10px 5px; text-align: center; font-size: 13px; } .admin-sidebar__note { display: none; } .admin-content { padding: 32px 18px; } .admin-header { align-items: flex-start; flex-direction: column; } .admin-card { margin-top: 50px; padding: 42px 24px; } }