/* assets/css/style.css - Core design system
   ------------------------------------------------------------
   Palette: indigo primary, cool neutral background, semantic
   status colors. Signature element: colored left-accent bar on
   section cards, repeated everywhere for a consistent system feel.
*/

:root {
  --primary: #4338CA;
  --primary-hover: #3730A3;
  --bg: #F7F8FA;
  --surface: #FFFFFF;
  --border: #E5E7EB;
  --text: #111827;
  --text-soft: #6B7280;
  --text-faint: #9CA3AF;
  --success: #059669;
  --success-bg: #ECFDF5;
  --warning: #D97706;
  --warning-bg: #FFFBEB;
  --danger: #DC2626;
  --danger-bg: #FEF2F2;
  --info: #2563EB;
  --info-bg: #EFF6FF;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(16,24,40,0.04), 0 1px 3px rgba(16,24,40,0.06);
  --shadow-md: 0 4px 12px rgba(16,24,40,0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* ---- Login page ---- */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(180deg, #F7F8FA 0%, #EEF0FF 100%);
}
.login-box {
  background: var(--surface);
  padding: 44px 40px;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  width: 340px;
  border: 1px solid var(--border);
}
.login-box h1 {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
  text-align: center;
}
.login-subtitle {
  text-align: center;
  font-size: 13px;
  color: var(--text-soft);
  margin-bottom: 28px;
}
.login-box label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-soft);
  margin-bottom: 6px;
  margin-top: 16px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.login-box input {
  width: 100%;
  padding: 11px 13px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  transition: border-color 0.15s;
}
.login-box input:focus { border-color: var(--primary); }
.login-box button {
  width: 100%;
  margin-top: 26px;
  padding: 12px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}
.login-box button:hover { background: var(--primary-hover); }
.login-box button:active { transform: scale(0.98); }
.error-msg {
  background: var(--danger-bg);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 4px;
  border-left: 3px solid var(--danger);
}

/* ---- Top bar ---- */
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 16px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar-title { font-weight: 700; font-size: 15px; letter-spacing: -0.01em; }
.topbar-user { font-size: 13px; color: var(--text-soft); display: flex; align-items: center; gap: 6px; }
.topbar-user a { color: var(--text-soft); text-decoration: none; font-weight: 500; }
.topbar-user a:hover { color: var(--primary); }

/* ---- Home page / module cards ---- */
.page { padding: 36px; max-width: 1200px; margin: 0 auto; }
.page h1 { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 24px; }
.empty-note { color: var(--text-faint); font-size: 14px; }
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 16px;
}
.module-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 26px 22px;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s;
}
.module-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.module-icon { font-size: 30px; margin-bottom: 12px; }
.module-name { font-weight: 700; font-size: 15px; margin-bottom: 5px; letter-spacing: -0.01em; }
.module-desc { font-size: 12.5px; color: var(--text-soft); line-height: 1.4; }

/* ---- Help tooltip component (used across all modules) ---- */
.help-tip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--border);
  color: var(--text-soft);
  font-size: 11px;
  font-weight: 700;
  cursor: help;
  margin-left: 6px;
  position: relative;
  vertical-align: middle;
  user-select: none;
}
.help-tip:hover, .help-tip.open { background: var(--primary); color: white; }
.help-tip-popup {
  display: none;
  position: absolute;
  bottom: 130%;
  left: 50%;
  transform: translateX(-50%);
  background: #111827;
  color: white;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.5;
  padding: 10px 12px;
  border-radius: 8px;
  width: 220px;
  z-index: 100;
  box-shadow: var(--shadow-md);
  white-space: normal;
  text-align: left;
}
.help-tip-popup::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: #111827;
}
.help-tip.open .help-tip-popup { display: block; }

/* ---- Toast notifications (replace static banners where used) ---- */
#toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.toast {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 13px 18px;
  box-shadow: var(--shadow-md);
  font-size: 13px;
  min-width: 260px;
  max-width: 360px;
  animation: toast-in 0.2s ease-out;
}
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.fade-out { animation: toast-out 0.2s ease-in forwards; }
@keyframes toast-in { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes toast-out { from { opacity: 1; } to { opacity: 0; transform: translateX(20px); } }