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

:root {
  --blue:       #2563eb;
  --blue-dark:  #1d4ed8;
  --blue-50:    #eff6ff;
  --blue-100:   #dbeafe;
  --slate-50:   #f8fafc;
  --slate-100:  #f1f5f9;
  --slate-200:  #e2e8f0;
  --slate-300:  #cbd5e1;
  --slate-400:  #94a3b8;
  --slate-500:  #64748b;
  --slate-600:  #475569;
  --slate-700:  #334155;
  --slate-800:  #1e293b;
  --slate-900:  #0f172a;
  --white:      #ffffff;
  --red:        #dc2626;
  --red-50:     #fef2f2;
  --red-100:    #fee2e2;
  --purple:     #7c3aed;
  --radius-sm:  6px;
  --radius:     10px;
  --radius-lg:  14px;
  --shadow-sm:  0 1px 2px rgba(0,0,0,.05);
  --shadow:     0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:  0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -1px rgba(0,0,0,.04);
  --shadow-lg:  0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -2px rgba(0,0,0,.04);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--slate-50);
  color: var(--slate-800);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* ─── TOPBAR ──────────────────────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--slate-200);
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-sm);
}
.topbar-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 17px;
  color: var(--blue);
  text-decoration: none;
  white-space: nowrap;
}
.topbar-spacer { flex: 1; }
.topbar-user {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--slate-600);
  font-size: 14px;
  font-weight: 500;
}
.badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 9px;
  border-radius: 20px;
  letter-spacing: .3px;
  white-space: nowrap;
}
.badge-admin  { background: var(--purple); color: #fff; }
.badge-client { background: var(--blue);   color: #fff; }

.btn-logout {
  padding: 6px 14px;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--slate-600);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all .15s;
  white-space: nowrap;
}
.btn-logout:hover { background: var(--slate-100); color: var(--slate-800); }

/* ─── LAYOUT ─────────────────────────────────────────────────────────────── */
.page-wrapper {
  max-width: 920px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}
.page-header { margin-bottom: 24px; }
.page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--slate-900);
}
.page-subtitle {
  font-size: 14px;
  color: var(--slate-500);
  margin-top: 3px;
}

/* ─── STATUS BADGE ────────────────────────────────────────────────────────── */
.status-badge {
  display: inline-flex;
  align-items: center;
  font-size: 11.5px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid transparent;
  white-space: nowrap;
  letter-spacing: .2px;
}

/* ─── STATS BAR (Admin) ───────────────────────────────────────────────────── */
.stats-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 14px 20px;
  box-shadow: var(--shadow-sm);
  min-width: 120px;
}
.stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--slate-900);
  line-height: 1.1;
}
.stat-label {
  font-size: 12px;
  color: var(--slate-500);
  margin-top: 4px;
}

/* ─── TICKET CARD ─────────────────────────────────────────────────────────── */
.ticket-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 16px;
  overflow: hidden;
  transition: box-shadow .15s;
}
.ticket-card:hover { box-shadow: var(--shadow-md); }

.ticket-header {
  padding: 18px 20px 14px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.ticket-title-row { flex: 1; min-width: 0; }
.ticket-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--slate-900);
  margin-bottom: 8px;
  line-height: 1.35;
}
.ticket-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}
.meta-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--slate-100);
  border: 1px solid var(--slate-200);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 12px;
  color: var(--slate-600);
}
.ticket-actions { display: flex; gap: 8px; flex-shrink: 0; }

.ticket-body {
  padding: 0 20px 16px;
  margin-top: -4px;
  font-size: 14px;
  color: var(--slate-600);
  line-height: 1.65;
  border-top: 1px solid var(--slate-100);
  padding-top: 12px;
}

/* ─── COMMENTS ────────────────────────────────────────────────────────────── */
.comments-section { border-top: 1px solid var(--slate-100); }

.comments-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 20px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  color: var(--slate-500);
  transition: background .12s, color .12s;
  text-align: left;
}
.comments-toggle:hover { background: var(--slate-50); color: var(--slate-700); }
.comments-toggle .caret { margin-left: auto; transition: transform .2s; display: flex; }
.comments-toggle.open .caret { transform: rotate(180deg); }

.comments-body { display: none; padding: 4px 20px 20px; }
.comments-body.open { display: block; }

.comment-item {
  display: flex;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--slate-100);
}
.comment-item:last-of-type { border-bottom: none; }

.comment-avatar {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--blue-100);
  color: var(--blue-dark);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  text-transform: uppercase;
}
.comment-content { flex: 1; min-width: 0; }
.comment-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
  flex-wrap: wrap;
}
.comment-author { font-size: 13px; font-weight: 600; color: var(--slate-700); }
.comment-date   { font-size: 11px; color: var(--slate-400); }
.comment-actions { margin-left: auto; }
.comment-text {
  font-size: 13px;
  color: var(--slate-600);
  line-height: 1.55;
  word-break: break-word;
  white-space: pre-wrap;
}

.comment-form {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.comment-form textarea {
  resize: vertical;
  min-height: 76px;
  padding: 10px 12px;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 13px;
  color: var(--slate-800);
  background: var(--white);
  transition: border-color .15s, box-shadow .15s;
  line-height: 1.5;
}
.comment-form textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}
.comment-form-actions { display: flex; justify-content: flex-end; }

.no-comments {
  font-size: 13px;
  color: var(--slate-400);
  padding: 10px 0;
  font-style: italic;
}

/* ─── BUTTONS ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all .14s;
  white-space: nowrap;
  line-height: 1;
}
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover:not(:disabled) { background: var(--blue-dark); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; }
.btn-danger { background: var(--red-50); color: var(--red); border: 1px solid #fca5a5; }
.btn-danger:hover:not(:disabled) { background: var(--red-100); }
.btn-ghost  { background: transparent; color: var(--slate-500); border: 1px solid var(--slate-200); }
.btn-ghost:hover { background: var(--slate-100); }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* ─── LOGIN PAGE ──────────────────────────────────────────────────────────── */
.login-page {
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 60%, #3b82f6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}
.login-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0,0,0,.2);
  width: 100%;
  max-width: 450px;
  padding: 44px 40px 40px;
}
.login-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: var(--blue-50);
  border-radius: 14px;
  margin: 0 auto 20px;
  color: var(--blue);
}
.login-title {
  text-align: center;
  font-size: 28px;
  font-weight: 800;
  color: var(--slate-900);
  margin-bottom: 6px;
  letter-spacing: -.3px;
}
.login-subtitle {
  text-align: center;
  font-size: 14px;
  color: var(--slate-500);
  margin-bottom: 36px;
}
.login-section-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--slate-400);
  text-transform: uppercase;
  letter-spacing: .8px;
  margin-bottom: 10px;
}
.account-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius);
  background: var(--white);
  cursor: pointer;
  transition: border-color .15s, background .15s, box-shadow .15s, transform .1s;
  margin-bottom: 10px;
  text-align: left;
}
.account-btn:last-child { margin-bottom: 0; }
.account-btn:hover {
  border-color: var(--blue);
  background: var(--blue-50);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.account-btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.account-icon {
  font-size: 20px;
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  background: var(--slate-100);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.account-btn.is-admin .account-icon { background: #f3e8ff; }
.account-info { flex: 1; min-width: 0; }
.account-name  { display: block; font-size: 15px; font-weight: 600; color: var(--slate-800); }
.account-role  { display: block; font-size: 12px; color: var(--slate-500); margin-top: 1px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ─── STATES ──────────────────────────────────────────────────────────────── */
.loading-state {
  text-align: center;
  padding: 56px 24px;
  color: var(--slate-400);
  font-size: 14px;
}
.spinner {
  width: 34px;
  height: 34px;
  border: 3px solid var(--slate-200);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 0 auto 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.error-banner {
  background: var(--red-50);
  border: 1px solid #fca5a5;
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 14px;
  color: var(--red);
  margin-bottom: 16px;
}
.empty-state {
  text-align: center;
  padding: 56px 24px;
  color: var(--slate-400);
  font-size: 14px;
}

/* ─── TOAST ───────────────────────────────────────────────────────────────── */
#toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast-item {
  background: var(--slate-900);
  color: var(--white);
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .25s, transform .25s;
  pointer-events: auto;
  border-left: 3px solid transparent;
  max-width: 320px;
}
.toast-item.show { opacity: 1; transform: translateY(0); }
.toast-item.success { border-left-color: #22c55e; }
.toast-item.error   { border-left-color: var(--red); }

/* ─── RESPONSIVE ──────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .page-wrapper { padding: 20px 16px 48px; }
  .topbar { padding: 0 16px; gap: 10px; }
  .topbar-user span:not(.badge) { display: none; }
  .login-card { padding: 32px 24px 28px; }
  .stats-bar { gap: 8px; }
  .stat-card { min-width: 100px; padding: 12px 14px; }
  .stat-value { font-size: 22px; }
}