/* =============================================================================
   GR Medical · App Gestione Corsi · app.css
   Design system fedele al prototipo v5
   ============================================================================= */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=DM+Mono:wght@400;500&display=swap');

/* ── RESET & BASE ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:      #0c1e2d;
  --blue:      #00679a;
  --blue-dark: #005a87;
  --blue-lt:   #e8f4fb;
  --green:     #059669;
  --green-lt:  #d1fae5;
  --red:       #e53e3e;
  --red-lt:    #fee2e2;
  --amber:     #d97706;
  --amber-lt:  #fef3c7;
  --purple:    #7c3aed;
  --purple-lt: #ede9fe;
  --teal:      #0f766e;
  --teal-lt:   #ccfbf1;
  --slate-50:  #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-700: #374151;
  --text:      #0c1e2d;
}

html, body { height: 100%; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--slate-100);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ── LAYOUT APP ───────────────────────────────────────────────────────────── */
.app   { display: flex; height: 100vh; overflow: hidden; }
.main  { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-width: 0; }

/* ── SIDEBAR ─────────────────────────────────────────────────────────────── */
.sidebar {
  width: 240px; min-width: 240px;
  background: var(--navy);
  display: flex; flex-direction: column;
  overflow-y: auto;
}
.sb-logo      { padding: 22px 18px 18px; border-bottom: 1px solid rgba(255,255,255,.08); }
.sb-logo-text { color: #fff; font-size: 15px; font-weight: 700; }
.sb-logo-sub  { color: rgba(255,255,255,.35); font-size: 11px; margin-top: 2px; }
.sb-section   { padding: 18px 10px 6px; }
.sb-label     {
  color: rgba(255,255,255,.28); font-size: 10px; font-weight: 600;
  letter-spacing: 1.2px; text-transform: uppercase;
  padding: 0 8px; margin-bottom: 5px;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 8px; cursor: pointer;
  color: rgba(255,255,255,.5); font-size: 13px; font-weight: 500;
  transition: all .15s; border: none; background: none;
  width: 100%; text-align: left;
}
.nav-item:hover  { background: rgba(255,255,255,.07); color: rgba(255,255,255,.85); }
.nav-item.active { background: var(--blue); color: #fff; }
.nav-badge       { margin-left: auto; background: var(--red); color: #fff; font-size: 10px; font-weight: 700; padding: 2px 6px; border-radius: 10px; }
.nav-badge.warn  { background: var(--amber); }

/* ── TOPBAR ──────────────────────────────────────────────────────────────── */
.topbar {
  background: #fff; border-bottom: 1px solid var(--slate-200);
  padding: 0 28px; height: 60px;
  display: flex; align-items: center; justify-content: space-between;
  flex-shrink: 0;
}
.topbar-title { font-size: 17px; font-weight: 700; }

/* ── CONTENT AREAS ───────────────────────────────────────────────────────── */
.content     { flex: 1; overflow-y: auto; padding: 28px; }
.content-pub { flex: 1; overflow-y: auto; padding: 28px; background: var(--slate-100); }

/* ── BUTTONS ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: 8px;
  font-size: 13px; font-weight: 600; cursor: pointer;
  border: none; transition: all .15s;
  font-family: 'DM Sans', sans-serif; white-space: nowrap;
}
.btn-primary   { background: var(--blue);     color: #fff; }
.btn-primary:hover   { background: var(--blue-dark); }
.btn-green     { background: var(--green);    color: #fff; }
.btn-green:hover     { background: #047857; }
.btn-secondary { background: var(--slate-100); color: var(--navy); }
.btn-secondary:hover { background: var(--slate-200); }
.btn-danger    { background: var(--red-lt);   color: var(--red); }
.btn-danger:hover    { background: #fecaca; }
.btn-success   { background: var(--green-lt); color: var(--green); }
.btn-sm        { padding: 5px 10px; font-size: 12px; }
.btn-lg        { padding: 11px 24px; font-size: 15px; }
.btn:disabled  { opacity: .4; cursor: not-allowed; }

/* ── CARDS ───────────────────────────────────────────────────────────────── */
.card       { background: #fff; border-radius: 12px; border: 1px solid var(--slate-200); padding: 24px; }
.card-sm    { padding: 16px; }
.card-click { cursor: pointer; transition: all .15s; }
.card-click:hover { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0,103,154,.08); }

/* ── GRID ────────────────────────────────────────────────────────────────── */
.g2 { display: grid; grid-template-columns: 1fr 1fr;           gap: 16px; }
.g3 { display: grid; grid-template-columns: 1fr 1fr 1fr;       gap: 16px; }
.g4 { display: grid; grid-template-columns: repeat(4, 1fr);    gap: 16px; }

/* ── TYPOGRAPHY ──────────────────────────────────────────────────────────── */
.section-title  { font-size: 15px; font-weight: 700; }
.section-sub    { font-size: 13px; color: var(--slate-500); margin-top: 2px; }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.mono           { font-family: 'DM Mono', monospace; }

/* ── TABS ────────────────────────────────────────────────────────────────── */
.tabs { display: flex; gap: 4px; margin-bottom: 20px; border-bottom: 2px solid var(--slate-200); }
.tab  {
  padding: 10px 18px; font-size: 13.5px; font-weight: 600;
  cursor: pointer; border: none; background: none;
  color: var(--slate-500); border-bottom: 2px solid transparent;
  margin-bottom: -2px; font-family: 'DM Sans', sans-serif; transition: all .15s;
}
.tab.active { color: var(--blue); border-bottom-color: var(--blue); }

/* ── TABLE ───────────────────────────────────────────────────────────────── */
.tbl-wrap    { overflow-x: auto; }
table        { width: 100%; border-collapse: collapse; font-size: 13.5px; }
thead th     {
  text-align: left; padding: 10px 14px;
  background: var(--slate-50); border-bottom: 1px solid var(--slate-200);
  font-size: 11px; font-weight: 600; color: var(--slate-500);
  text-transform: uppercase; letter-spacing: .5px;
}
tbody tr     { border-bottom: 1px solid var(--slate-100); }
tbody tr:hover { background: var(--slate-50); }
tbody td     { padding: 12px 14px; color: var(--text); }

/* ── BADGES ──────────────────────────────────────────────────────────────── */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 8px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.bg  { background: var(--green-lt);  color: var(--green); }
.by  { background: var(--amber-lt);  color: var(--amber); }
.br  { background: var(--red-lt);    color: var(--red); }
.bb  { background: #dbeafe;          color: #2563eb; }
.bgr { background: var(--slate-100); color: var(--slate-500); }
.bp  { background: var(--purple-lt); color: var(--purple); }
.bt  { background: var(--teal-lt);   color: var(--teal); }

/* ── FORM ────────────────────────────────────────────────────────────────── */
.fg { margin-bottom: 14px; }
.fl { font-size: 12px; font-weight: 600; color: var(--slate-700); margin-bottom: 5px; display: block; }
.fl span { color: var(--red); margin-left: 2px; }
.fc {
  width: 100%; padding: 9px 12px;
  border: 1.5px solid var(--slate-200); border-radius: 8px;
  font-size: 13.5px; color: var(--text);
  font-family: 'DM Sans', sans-serif; outline: none;
  transition: border .15s; background: #fff;
}
.fc:focus { border-color: var(--blue); }
.fc.error { border-color: var(--red); }

/* ── ALERTS ──────────────────────────────────────────────────────────────── */
.alert { padding: 12px 16px; border-radius: 8px; font-size: 13px; display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; }
.ai { background: var(--blue-lt);   color: #005a87;           border: 1px solid #bae0f5; }
.aw { background: var(--amber-lt);  color: #92400e;           border: 1px solid #fde68a; }
.as { background: var(--green-lt);  color: #065f46;           border: 1px solid #a7f3d0; }
.ad { background: var(--red-lt);    color: #991b1b;           border: 1px solid #fecaca; }

/* ── MISC COMPONENTS ─────────────────────────────────────────────────────── */
.avatar       { width: 32px; height: 32px; border-radius: 50%; background: var(--blue-lt); color: var(--blue); display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; flex-shrink: 0; }
.progress-bar { background: var(--slate-200); border-radius: 4px; height: 6px; overflow: hidden; }
.progress-fill{ height: 100%; border-radius: 4px; transition: width .3s; }

.seats-pill { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 700; }
.sp-ok   { background: var(--green-lt); color: var(--green); }
.sp-warn { background: var(--amber-lt); color: var(--amber); }
.sp-full { background: var(--red-lt);   color: var(--red); }

.orario-tag { display: inline-flex; align-items: center; gap: 4px; background: var(--slate-50); border: 1px solid var(--slate-200); border-radius: 6px; padding: 3px 8px; font-size: 11px; font-weight: 600; color: var(--slate-700); font-family: 'DM Mono', monospace; }

.oggi-card   { background: linear-gradient(135deg, #0c1e2d 0%, #00679a 100%); border-radius: 14px; padding: 24px; color: #fff; margin-bottom: 20px; }

.nc-card     { border-radius: 10px; padding: 14px 16px; border-left: 4px solid; display: flex; align-items: flex-start; gap: 12px; margin-bottom: 8px; }
.nc-d        { background: #fff5f5; border-color: var(--red); }
.nc-w        { background: #fffbeb; border-color: var(--amber); }
.nc-i        { background: #eff6ff; border-color: #3b82f6; }

.codice-box  { background: var(--navy); border-radius: 10px; padding: 16px 20px; display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.codice-text { font-family: 'DM Mono', monospace; font-size: 22px; font-weight: 500; color: #00a8e8; letter-spacing: 2px; }

.docente-tag { display: inline-flex; align-items: center; gap: 6px; background: var(--slate-100); border-radius: 20px; padding: 3px 10px 3px 6px; font-size: 12px; font-weight: 600; color: var(--slate-700); }
.dtag-rm     { cursor: pointer; color: var(--slate-400); font-size: 14px; line-height: 1; margin-left: 2px; }
.dtag-rm:hover { color: var(--red); }

.partner-banner   { background: linear-gradient(135deg, #0c1e2d, #00679a); border-radius: 12px; padding: 18px 20px; color: #fff; margin-bottom: 24px; display: flex; align-items: center; gap: 14px; }
.partner-banner-g { background: linear-gradient(135deg, #065f46, #059669); }

/* Step bar */
.step-dot     { width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; flex-shrink: 0; }
.sd-done      { background: #1db87e; color: #fff; }
.sd-active    { background: var(--blue);  color: #fff; }
.sd-activeg   { background: var(--green); color: #fff; }
.sd-pending   { background: var(--slate-200); color: var(--slate-400); }
.step-line    { flex: 1; height: 2px; }
.sl-done      { background: #1db87e; }
.sl-pending   { background: var(--slate-200); }

/* ── SCROLLBAR ───────────────────────────────────────────────────────────── */
::-webkit-scrollbar       { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }

/* ── LOGIN PAGE ──────────────────────────────────────────────────────────── */
.login-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--navy);
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(0,103,154,.25) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(0,168,232,.1) 0%, transparent 50%);
}
.login-card {
  background: #fff; border-radius: 16px;
  padding: 40px; width: 100%; max-width: 400px;
  box-shadow: 0 25px 60px rgba(0,0,0,.35);
}
.login-logo     { text-align: center; margin-bottom: 28px; }
.login-logo-text{ font-size: 20px; font-weight: 800; color: var(--navy); letter-spacing: -.5px; }
.login-logo-sub { font-size: 12px; color: var(--slate-500); margin-top: 3px; }
.login-title    { font-size: 22px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.login-sub      { font-size: 13px; color: var(--slate-500); margin-bottom: 28px; }