/* ==========================================
   Company Dashboard - Design System v3
   ========================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --primary: #4361ee;
  --primary-dark: #3346c4;
  --primary-light: #eef1ff;
  --success: #16a34a;
  --success-light: #e9f9ee;
  --danger: #e11d48;
  --danger-light: #fdeaee;
  --warning: #f59e0b;
  --warning-light: #fef6e7;
  --info: #0891b2;
  --info-light: #e6f7fa;
  --text-dark: #1a1f36;
  --text-mid: #4b5170;
  --text-muted: #8b8fa3;
  --border: #e5e7f0;
  --bg: #f4f5fa;
  --card: #ffffff;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(20,20,50,0.06), 0 1px 2px rgba(20,20,50,0.04);
  --shadow-md: 0 4px 14px rgba(20,20,50,0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', 'Segoe UI', Tahoma, Arial, sans-serif;
  background: var(--bg);
  color: var(--text-dark);
  font-size: 14.5px;
  line-height: 1.5;
}

.wrapper { display: flex; min-height: 100vh; }

/* ============ Sidebar ============ */
.sidebar {
  width: 240px;
  background: linear-gradient(180deg, #1a1f36 0%, #232a4d 100%);
  color: #fff;
  padding: 24px 0 16px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: sticky;
  top: 0;
}
.sidebar .logo {
  font-size: 19px;
  font-weight: 800;
  padding: 0 24px 22px;
  margin-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  letter-spacing: -0.3px;
}
.sidebar nav { display: flex; flex-direction: column; gap: 2px; padding: 0 12px; }
.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #a8adc9;
  text-decoration: none;
  padding: 11px 14px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s;
}
.sidebar nav a:hover { background: rgba(255,255,255,0.06); color: #fff; }
.sidebar nav a.active {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
}
.sidebar .logout-link { margin-top: auto; padding-top: 14px; border-top: 1px solid rgba(255,255,255,0.08); }
.sidebar .logout-link a:hover { background: rgba(225,29,72,0.18); color: #ff8fa3; }

/* ============ Content ============ */
.content { flex: 1; padding: 32px 40px; max-width: 1200px; }
h1 { font-size: 24px; font-weight: 800; color: var(--text-dark); margin-bottom: 22px; letter-spacing: -0.3px; }
h2 { font-size: 17px; font-weight: 700; color: var(--text-dark); margin: 28px 0 14px; }
h2:first-of-type { margin-top: 0; }
h3 { font-size: 15px; font-weight: 700; margin-bottom: 12px; color: var(--text-dark); }

/* ============ Stat cards ============ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 16px;
  margin-bottom: 8px;
}
.stat-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.stat-number { display: block; font-size: 30px; font-weight: 800; color: var(--primary); line-height: 1.1; }
.stat-label { font-size: 12.5px; color: var(--text-muted); font-weight: 600; margin-top: 6px; display: block; text-transform: uppercase; letter-spacing: 0.3px; }

.two-col { display: grid; grid-template-columns: 1.3fr 1fr; gap: 20px; }
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; } }

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

/* ============ Forms ============ */
.form-wrap {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  padding: 30px;
  max-width: 950px;
}
.form-section { margin-bottom: 30px; }
.form-section:last-child { margin-bottom: 0; }
.form-section-title {
  font-size: 12.5px;
  font-weight: 800;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding-bottom: 10px;
  margin-bottom: 18px;
  border-bottom: 2px solid var(--primary-light);
  display: flex;
  align-items: center;
  gap: 8px;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-group { display: flex; flex-direction: column; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 12.5px; font-weight: 600; margin-bottom: 7px; color: var(--text-mid); }
.form-group .hint { font-size: 11.5px; color: var(--text-muted); margin-top: 5px; }
.form-group input, .form-group select, .form-group textarea {
  padding: 10px 13px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text-dark);
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}
.form-group input[type="file"] { padding: 8px; font-size: 13px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 11px 22px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  margin-right: 8px;
  margin-top: 4px;
  transition: background 0.15s, transform 0.1s;
}
.btn:hover { background: var(--primary-dark); }
.btn:active { transform: scale(0.98); }
.btn-secondary { background: #eef0f6; color: var(--text-mid); }
.btn-secondary:hover { background: #e2e4ee; }
.btn-sm { padding: 7px 14px; font-size: 12.5px; }
.btn-danger { background: var(--danger-light); color: var(--danger); }
.btn-danger:hover { background: #fbd7de; }

/* ============ Checkbox group ============ */
.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-dark);
  background: #f7f8fc;
  border: 1.5px solid var(--border);
  padding: 9px 15px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s;
}
.checkbox-group label:has(input:checked) {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary-dark);
}
.checkbox-group input[type="checkbox"] { width: 15px; height: 15px; accent-color: var(--primary); }

/* ============ Filter bar ============ */
.filter-bar {
  background: var(--card);
  padding: 18px 20px;
  border-radius: var(--radius);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.filter-bar input, .filter-bar select {
  padding: 9px 12px;
  border: 1.5px solid var(--border);
  border-radius: 7px;
  font-size: 13px;
  font-family: inherit;
}
.filter-bar label { font-size: 12.5px; color: var(--text-mid); font-weight: 500; display: flex; align-items: center; gap: 6px; }

/* ============ Tables ============ */
table { width: 100%; border-collapse: collapse; }
.data-table {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
th, td { text-align: left; padding: 13px 15px; font-size: 13.5px; border-bottom: 1px solid var(--border); }
th { background: #f8f9fd; color: var(--text-mid); font-size: 11.5px; text-transform: uppercase; font-weight: 700; letter-spacing: 0.3px; }
tbody tr:hover { background: #fafbff; }
tbody tr:last-child td { border-bottom: none; }
td a { color: var(--primary); text-decoration: none; margin-right: 10px; font-size: 12.5px; font-weight: 600; }
td a:hover { text-decoration: underline; }

/* ============ Badges & tags ============ */
.badge { padding: 4px 11px; border-radius: 20px; font-size: 11.5px; font-weight: 700; letter-spacing: 0.2px; }
.badge-active { background: var(--success-light); color: var(--success); }
.badge-inactive { background: var(--danger-light); color: var(--danger); }
.badge-hot { background: var(--danger-light); color: var(--danger); }
.badge-warm { background: var(--warning-light); color: #a1670a; }
.badge-cold { background: var(--info-light); color: var(--info); }

.tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary-dark);
  padding: 4px 11px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 600;
  margin: 2px 4px 2px 0;
}
.tag-product { background: var(--warning-light); color: #a1670a; }
.muted { color: var(--text-muted); font-style: italic; }

/* ============ Alerts ============ */
.alert { padding: 13px 18px; border-radius: 10px; margin-bottom: 18px; font-size: 13.5px; font-weight: 500; }
.alert-success { background: var(--success-light); color: var(--success); }
.alert-error { background: var(--danger-light); color: var(--danger); }

/* ============ Detail view ============ */
.company-title-row { display: flex; align-items: center; gap: 18px; margin-bottom: 22px; }
.logo-preview { width: 56px; height: 56px; object-fit: cover; border-radius: 10px; border: 1px solid var(--border); background: #fff; }
.logo-preview-large { width: 84px; height: 84px; object-fit: cover; border-radius: 14px; border: 1px solid var(--border); background: #fff; box-shadow: var(--shadow); }
.file-current { margin-top: 8px; }

.detail-card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--border); padding: 26px; margin-bottom: 18px; }
.detail-section { margin-bottom: 24px; }
.detail-section:last-child { margin-bottom: 0; }
.detail-section-title {
  font-size: 12px; font-weight: 800; color: var(--primary); text-transform: uppercase;
  letter-spacing: 0.5px; margin-bottom: 14px; padding-bottom: 8px; border-bottom: 1px solid var(--border);
}
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 24px; font-size: 13.5px; }
.detail-grid .full { grid-column: 1 / -1; }
.detail-label { display: block; font-size: 11.5px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px; margin-bottom: 4px; }
.detail-value { color: var(--text-dark); font-weight: 500; }

/* ============ Comments ============ */
.comment-form {
  background: var(--card);
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 640px;
}
.comment-form input[type="text"], .comment-form textarea, .comment-form input[type="datetime-local"] {
  padding: 10px 13px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 13.5px;
}
.comment-form input:focus, .comment-form textarea:focus { outline: none; border-color: var(--primary); }
.comment-form-row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.comment-form-row .form-group { flex: 1; min-width: 200px; }

.comment-list { margin-top: 16px; display: flex; flex-direction: column; gap: 10px; max-width: 640px; }
.comment-item {
  background: var(--card);
  padding: 16px 18px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary);
}
.comment-item-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.comment-item strong { color: var(--text-dark); font-size: 13.5px; }
.comment-date { font-size: 11.5px; color: var(--text-muted); font-weight: 500; }
.comment-item p { font-size: 13.5px; color: var(--text-mid); line-height: 1.55; }

.comment-followup-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 10px;
  font-size: 11.5px;
  font-weight: 700;
  padding: 4px 11px;
  border-radius: 20px;
  background: var(--warning-light);
  color: #a1670a;
}
.comment-followup-badge.done { background: var(--success-light); color: var(--success); }

/* ============ Follow-up cards (redesigned) ============ */
.followup-card {
  background: var(--card);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.followup-card.overdue { border-left-color: var(--danger); }
.followup-card.today { border-left-color: var(--warning); }
.followup-card.done { border-left-color: var(--success); opacity: 0.85; }

.followup-info { flex: 1; min-width: 220px; }
.followup-company { font-size: 14.5px; font-weight: 700; color: var(--text-dark); text-decoration: none; }
.followup-company:hover { color: var(--primary); }
.followup-note { font-size: 13px; color: var(--text-mid); margin-top: 5px; line-height: 1.5; }
.followup-meta { font-size: 11.5px; color: var(--text-muted); margin-top: 6px; font-weight: 500; }

.followup-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.followup-time {
  font-size: 12.5px;
  font-weight: 700;
  padding: 7px 14px;
  border-radius: 20px;
  background: var(--primary-light);
  color: var(--primary-dark);
  white-space: nowrap;
}
.followup-time.overdue { background: var(--danger-light); color: var(--danger); }
.followup-time.today { background: var(--warning-light); color: #a1670a; }
.followup-time.done { background: var(--success-light); color: var(--success); }

.empty-state {
  color: var(--text-muted);
  padding: 30px 20px;
  text-align: center;
  background: var(--card);
  border-radius: var(--radius);
  border: 1.5px dashed var(--border);
  font-size: 13.5px;
  margin-bottom: 16px;
}

.section-tabs { display: flex; gap: 8px; margin-bottom: 20px; }
.section-tabs a {
  padding: 9px 18px;
  border-radius: 8px;
  background: var(--card);
  color: var(--text-mid);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 600;
  border: 1px solid var(--border);
  transition: all 0.15s;
}
.section-tabs a.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.section-tabs a:hover:not(.active) { background: #f4f5fa; }

.followup-group-title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-mid);
  margin: 22px 0 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.followup-group-title:first-of-type { margin-top: 0; }
.count-pill {
  background: var(--border);
  color: var(--text-mid);
  font-size: 11.5px;
  padding: 2px 9px;
  border-radius: 20px;
  font-weight: 700;
}
.count-pill.overdue { background: var(--danger-light); color: var(--danger); }
.count-pill.today { background: var(--warning-light); color: #a1670a; }

/* ============ Login Page ============ */
.login-body {
  background: radial-gradient(circle at 20% 20%, #2d3568 0%, #1a1f36 55%, #12152a 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Inter', sans-serif;
}
.login-wrapper { width: 100%; display: flex; justify-content: center; padding: 20px; }
.login-box {
  background: rgba(255,255,255,0.98);
  padding: 44px 38px;
  border-radius: 18px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.35);
  width: 100%;
  max-width: 380px;
  text-align: center;
}
.login-icon {
  width: 56px; height: 56px;
  background: var(--primary-light);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin: 0 auto 18px;
}
.login-logo { font-size: 21px; font-weight: 800; color: var(--text-dark); margin-bottom: 4px; letter-spacing: -0.3px; }
.login-sub { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }
.login-box input[type="password"] {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 14.5px;
  text-align: center;
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.login-box input[type="password"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-light);
}
.login-box .btn { width: 100%; justify-content: center; margin-top: 16px; padding: 12px; font-size: 14.5px; }
.login-footer-note { font-size: 11.5px; color: var(--text-muted); margin-top: 22px; }