@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

:root {
  --navy: #1a2744;
  --blue: #2e5fa3;
  --accent: #e8a020;
  --accent-bg: #fef3dc;
  --white: #f8f7f4;
  --text: #1c1c1e;
  --muted: #6b7280;
  --border: #dde1ea;
  --green: #1d7a4f;
  --green-bg: #e6f5ed;
  --red: #b91c1c;
  --red-bg: #fee2e2;
  --grey: #f4f5f8;
  --purple: #5b21b6;
  --purple-bg: #ede9fe;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Inter', sans-serif; background: var(--white); color: var(--text); }

/* ─── LOGIN ─── */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--navy); }
.login-overlay { display: flex; align-items: center; justify-content: center; width: 100%; padding: 20px; }
.login-box { background: #fff; border-radius: 16px; padding: 40px 44px; max-width: 440px; width: 100%; box-shadow: 0 24px 80px rgba(0,0,0,.4); }
.login-logo { font-family: 'Space Mono', monospace; font-size: 10px; color: var(--accent); letter-spacing: .12em; text-transform: uppercase; margin-bottom: 6px; }
.login-box h1 { font-size: 22px; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.login-sub { font-size: 13px; color: var(--muted); margin-bottom: 28px; }
.login-field { margin-bottom: 16px; }
.login-field label { display: block; font-size: 12px; font-weight: 600; color: var(--text); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .05em; }
.login-field input { width: 100%; padding: 11px 14px; border: 1.5px solid var(--border); border-radius: 8px; font-family: 'Inter', sans-serif; font-size: 14px; color: var(--text); outline: none; transition: border-color .2s; }
.login-field input:focus { border-color: var(--blue); }
.login-remember { margin-bottom: 16px; font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.login-remember input { width: auto; }
.login-btn { width: 100%; padding: 13px; background: var(--navy); color: #fff; border: none; border-radius: 8px; font-family: 'Inter', sans-serif; font-size: 15px; font-weight: 600; cursor: pointer; transition: background .15s; }
.login-btn:hover { background: #243356; }
.login-error { background: var(--red-bg); color: var(--red); padding: 10px 14px; border-radius: 8px; font-size: 13px; margin-bottom: 16px; }
.login-footer { font-size: 11px; color: var(--muted); text-align: center; margin-top: 20px; line-height: 1.6; }

/* ─── APP LAYOUT ─── */
.app-layout { display: flex; min-height: 100vh; }

/* ─── SIDEBAR ─── */
.sidebar { width: 230px; min-width: 230px; background: var(--navy); color: #fff; position: fixed; top: 0; left: 0; bottom: 0; overflow-y: auto; display: flex; flex-direction: column; z-index: 100; }
.sb-head { padding: 20px 18px 14px; border-bottom: 1px solid rgba(255,255,255,.1); }
.sb-tag { font-family: 'Space Mono', monospace; font-size: 9px; color: var(--accent); letter-spacing: .12em; text-transform: uppercase; margin-bottom: 4px; }
.sb-title { font-size: 15px; font-weight: 700; }
.sb-sub { font-size: 11px; color: rgba(255,255,255,.4); margin-top: 2px; }
.user-badge { padding: 12px 18px; border-bottom: 1px solid rgba(255,255,255,.08); display: flex; align-items: center; gap: 10px; }
.user-avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--accent); color: var(--navy); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 12px; flex-shrink: 0; }
.user-info { flex: 1; min-width: 0; }
.user-name { font-size: 12px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 10px; color: rgba(255,255,255,.4); }
.sidebar nav { padding: 10px 0; flex: 1; }
.sidebar nav a { display: flex; align-items: center; gap: 8px; padding: 8px 18px; font-size: 12.5px; color: rgba(255,255,255,.6); text-decoration: none; border-left: 2px solid transparent; transition: all .15s; }
.sidebar nav a:hover, .sidebar nav a.active { color: #fff; background: rgba(255,255,255,.07); border-left-color: var(--accent); }
.nav-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); opacity: 0; transition: opacity .15s; flex-shrink: 0; }
.sidebar nav a:hover .nav-dot, .sidebar nav a.active .nav-dot { opacity: 1; }
.sb-foot { padding: 12px 18px; border-top: 1px solid rgba(255,255,255,.1); font-size: 10px; color: rgba(255,255,255,.25); line-height: 1.6; }
.logout-link { color: rgba(255,255,255,.4); text-decoration: none; font-size: 11px; }
.logout-link:hover { color: #fff; }

/* ─── MAIN ─── */
.main { margin-left: 230px; flex: 1; display: flex; flex-direction: column; min-height: 100vh; }

/* ─── BANNER ─── */
.banner { background: var(--navy); color: #fff; padding: 28px 40px 24px; }
.eyebrow { font-family: 'Space Mono', monospace; font-size: 10px; letter-spacing: .1em; color: var(--accent); text-transform: uppercase; margin-bottom: 6px; }
.banner h1 { font-size: 24px; font-weight: 700; margin-bottom: 4px; }
.banner-sub { font-size: 13px; color: rgba(255,255,255,.5); margin-bottom: 18px; }
.progress-row { display: flex; align-items: center; gap: 12px; }
.progress-track { flex: 1; max-width: 300px; height: 6px; background: rgba(255,255,255,.15); border-radius: 3px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--accent); border-radius: 3px; transition: width .4s; }
.progress-label { font-size: 12px; color: rgba(255,255,255,.6); font-family: 'Space Mono', monospace; }
.admin-banner { padding-bottom: 24px; }

/* ─── STATS ROW ─── */
.stats-row { display: flex; border-bottom: 1px solid var(--border); background: #fff; }
.stat { flex: 1; padding: 16px 20px; text-align: center; border-right: 1px solid var(--border); }
.stat:last-child { border-right: none; }
.stat-n { font-family: 'Space Mono', monospace; font-size: 22px; font-weight: 700; color: var(--navy); line-height: 1; margin-bottom: 3px; }
.stat-l { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }

/* ─── FLASH ─── */
.flash { padding: 12px 40px; font-size: 13px; font-weight: 500; }
.flash-success { background: var(--green-bg); color: var(--green); }
.flash-danger, .flash-error { background: var(--red-bg); color: var(--red); }

/* ─── CONTENT / CARDS ─── */
.content { padding: 24px 40px; display: flex; flex-direction: column; gap: 14px; }
.pcard { background: #fff; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.pcard-head { display: flex; align-items: center; gap: 12px; padding: 13px 18px; cursor: pointer; user-select: none; transition: background .15s; border-bottom: 1px solid transparent; }
.pcard-head:hover { background: #f9f9fb; }
.pcard.open .pcard-head { border-bottom-color: var(--border); background: #f9f9fb; }
.pnum { font-family: 'Space Mono', monospace; font-size: 10px; font-weight: 700; color: #fff; background: var(--navy); padding: 3px 8px; border-radius: 4px; flex-shrink: 0; }
.ptitle { font-size: 14px; font-weight: 600; flex: 1; }
.pmeta { display: flex; align-items: center; gap: 8px; }
.phours { font-family: 'Space Mono', monospace; font-size: 12px; color: var(--accent); font-weight: 700; }
.pcount { font-size: 10px; color: var(--muted); background: var(--grey); padding: 2px 7px; border-radius: 9px; }
.pdone-count { font-size: 10px; color: var(--green); background: var(--green-bg); padding: 2px 7px; border-radius: 9px; font-weight: 600; }
.pdone-count.all { background: var(--green); color: #fff; }
.chev { font-size: 11px; color: var(--muted); transition: transform .2s; }
.pcard.open .chev { transform: rotate(180deg); }
.pbody { display: none; }
.pcard.open .pbody { display: block; }

/* ─── SESSION ROW ─── */
.srow { display: flex; align-items: flex-start; gap: 12px; padding: 14px 18px; border-bottom: 1px solid #f0f0f4; transition: background .15s; }
.srow:last-child { border-bottom: none; }
.srow:hover { background: #fafbfd; }
.srow.is-done { background: #f0fdf4; }
.srow-info { flex: 1; display: flex; gap: 12px; }
.srow-actions { display: flex; flex-direction: column; gap: 6px; align-items: flex-end; flex-shrink: 0; }
.shours { font-family: 'Space Mono', monospace; font-size: 13px; font-weight: 700; color: var(--navy); flex-shrink: 0; width: 30px; text-align: center; padding-top: 2px; }
.sdetail { flex: 1; }
.sbloc-tag { display: inline-block; font-size: 10px; font-weight: 600; padding: 2px 7px; border-radius: 3px; margin-bottom: 4px; }
.c1 { background: #dbeafe; color: #1e40af; }
.c3 { background: #fce7f3; color: #9d174d; }
.c3b { background: var(--purple-bg); color: var(--purple); }
.suc-line { display: flex; align-items: center; gap: 7px; margin-bottom: 3px; }
.suc-code { font-family: 'Space Mono', monospace; font-size: 11px; color: var(--blue); font-weight: 700; }
.suc-title { font-size: 11px; color: var(--muted); }
.sobj { font-size: 13.5px; font-weight: 600; color: var(--text); line-height: 1.4; margin-bottom: 4px; }
.smod { display: inline-flex; font-size: 10px; padding: 2px 7px; border-radius: 4px; font-weight: 500; }
.mtp { background: var(--green-bg); color: var(--green); }
.mcours { background: #eef2ff; color: #3730a3; }
.mmix { background: var(--accent-bg); color: #7a4800; }

/* ─── BTNS ─── */
.btn-session { padding: 7px 14px; background: var(--navy); color: #fff; border-radius: 7px; text-decoration: none; font-size: 12px; font-weight: 600; transition: background .15s; white-space: nowrap; }
.btn-session:hover { background: var(--blue); }
.done-btn { border: none; border-radius: 7px; padding: 7px 12px; font-size: 11px; font-weight: 600; cursor: pointer; transition: all .2s; font-family: 'Inter', sans-serif; white-space: nowrap; }
.done-btn.undone { background: var(--grey); color: var(--muted); border: 1px solid var(--border); }
.done-btn.undone:hover { background: #e8e9f0; }
.done-btn.isdone { background: var(--green-bg); color: var(--green); border: 1px solid #a7f3d0; }
.btn-primary { display: inline-block; padding: 9px 18px; background: var(--navy); color: #fff; border: none; border-radius: 8px; font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 600; cursor: pointer; text-decoration: none; transition: background .15s; }
.btn-primary:hover { background: var(--blue); }
.btn-sm { padding: 5px 10px; border: 1px solid var(--border); background: #fff; border-radius: 6px; font-size: 11px; font-weight: 500; cursor: pointer; text-decoration: none; color: var(--text); transition: all .15s; font-family: 'Inter', sans-serif; }
.btn-sm:hover { background: var(--grey); }
.btn-warning { border-color: #fcd34d; color: #7a4800; }
.btn-warning:hover { background: var(--accent-bg); }
.btn-danger { border-color: #fecaca; color: var(--red); }
.btn-danger:hover { background: var(--red-bg); }

/* ─── SESSION PAGE ─── */
.session-banner { background: var(--navy); color: #fff; padding: 24px 40px; }
.back-link { font-size: 12px; color: rgba(255,255,255,.5); text-decoration: none; display: block; margin-bottom: 12px; }
.back-link:hover { color: #fff; }
.session-banner-inner { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.session-eyebrow { font-family: 'Space Mono', monospace; font-size: 10px; color: var(--accent); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 6px; }
.session-banner h1 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.session-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.shours-badge { font-family: 'Space Mono', monospace; font-size: 12px; color: var(--accent); font-weight: 700; }
.session-done-wrap { flex-shrink: 0; display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.done-btn-large { padding: 11px 20px; font-size: 14px; border-radius: 8px; }
.save-indicator { font-size: 11px; color: rgba(255,255,255,.5); font-family: 'Space Mono', monospace; }
.save-indicator.saving { color: var(--accent); }
.save-indicator.saved { color: #6ee7b7; }
.save-indicator.error { color: #fca5a5; }
.session-content { padding: 28px 40px; display: flex; flex-direction: column; gap: 20px; }
.session-image { width: 100%; max-height: 280px; object-fit: cover; border-radius: 10px; border: 1px solid var(--border); }
.cours-section { }
.cours-text { padding: 20px 24px; display: flex; flex-direction: column; gap: 14px; }
.cours-text p { margin: 0; font-size: 14px; line-height: 1.7; color: var(--text); }
.tp-section { background: #fff; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.tp-section-header { padding: 20px 24px 16px; border-bottom: 1px solid var(--border); }
.tp-section-header h2 { font-size: 16px; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.tp-section-header p { font-size: 12px; color: var(--muted); }
.tp-form { padding: 20px 24px; display: flex; flex-direction: column; gap: 20px; }
.field-block { display: flex; flex-direction: column; gap: 6px; }
.field-label { font-size: 13px; font-weight: 600; color: var(--text); }
.field-input { width: 100%; padding: 9px 12px; border: 1.5px solid var(--border); border-radius: 7px; font-family: 'Inter', sans-serif; font-size: 13px; color: var(--text); outline: none; transition: border-color .2s; background: #fff; }
.field-input:focus { border-color: var(--blue); }
.field-textarea { width: 100%; padding: 9px 12px; border: 1.5px solid var(--border); border-radius: 7px; font-family: 'Inter', sans-serif; font-size: 13px; color: var(--text); outline: none; resize: vertical; transition: border-color .2s; background: #fff; min-height: 90px; line-height: 1.6; }
.field-textarea:focus { border-color: var(--blue); }

/* ─── ADMIN TABLE ─── */
.admin-actions { margin-bottom: 16px; }
.admin-card { background: #fff; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th { background: var(--navy); color: #fff; font-size: 11px; padding: 10px 14px; text-align: left; font-weight: 600; letter-spacing: .04em; }
.admin-table td { padding: 12px 14px; font-size: 13px; border-bottom: 1px solid #f0f0f4; vertical-align: middle; }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: #f9f9fb; }
.user-cell { display: flex; align-items: center; gap: 10px; }
.user-avatar-sm { width: 32px; height: 32px; border-radius: 50%; background: var(--accent); color: var(--navy); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 12px; flex-shrink: 0; }
.created-at { font-size: 11px; color: var(--muted); margin-top: 2px; }
.identifier-badge { background: var(--navy); color: #fff; padding: 3px 8px; border-radius: 5px; font-size: 12px; font-family: 'Space Mono', monospace; }
.progress-cell { display: flex; align-items: center; gap: 8px; }
.prog-bar-wrap { width: 80px; height: 6px; background: #e5e7eb; border-radius: 3px; overflow: hidden; }
.prog-bar-fill { height: 100%; background: var(--green); border-radius: 3px; }
.prog-text { font-family: 'Space Mono', monospace; font-size: 11px; color: var(--navy); font-weight: 700; }
.answers-badge { font-size: 11px; padding: 2px 8px; border-radius: 9px; background: var(--grey); color: var(--muted); }
.answers-badge.has-answers { background: var(--green-bg); color: var(--green); }
.last-login { font-size: 12px; color: var(--muted); }
.never { color: #d1d5db; font-style: italic; }
.action-btns { display: flex; gap: 4px; flex-wrap: wrap; }
.done-chip { background: var(--green-bg); color: var(--green); font-size: 10px; padding: 2px 7px; border-radius: 9px; font-weight: 600; }

/* Admin answers */
.admin-answers { margin-top: 8px; display: flex; flex-direction: column; gap: 4px; }
.answer-row { display: flex; gap: 8px; font-size: 12px; padding: 4px 8px; border-radius: 5px; }
.answer-row.has-value { background: var(--green-bg); }
.answer-row.empty { background: var(--grey); }
.answer-label { font-weight: 500; color: var(--text); min-width: 200px; }
.answer-value { color: var(--green); flex: 1; }
.answer-empty { color: #d1d5db; font-style: italic; }

/* Form card */
.form-card { max-width: 520px; background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 28px 32px; }
.form-card .create-form { display: flex; flex-direction: column; gap: 4px; }
.field-hint { font-size: 11px; color: var(--muted); margin-top: 4px; }
.info-box { margin-top: 24px; background: var(--grey); border-radius: 8px; padding: 14px 16px; font-size: 12px; color: var(--muted); line-height: 1.6; }
.info-box strong { display: block; color: var(--text); margin-bottom: 6px; }
.info-box code { background: var(--navy); color: #fff; padding: 2px 6px; border-radius: 4px; font-family: 'Space Mono', monospace; font-size: 11px; }
.empty-state { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty-state p { margin-bottom: 16px; }

/* ─── PRINT ─── */
@media print {
  .sidebar, .srow-actions, .done-btn, .btn-session, .session-done-wrap, .back-link, .save-indicator { display: none !important; }
  .main { margin-left: 0; }
  .field-textarea, .field-input { border: 1px solid #ccc; min-height: 60px; }
  @page { margin: 1.5cm; }
}

/* ─── RESPONSIVE ─── */
@media (max-width: 860px) {
  .sidebar { width: 180px; min-width: 180px; }
  .main { margin-left: 180px; }
  .content, .session-content, .banner, .session-banner { padding-left: 20px; padding-right: 20px; }
}
@media (max-width: 640px) {
  .sidebar { display: none; }
  .main { margin-left: 0; }
}