/* ============================================================
   app.css - Medi Cheap AI - Master Stylesheet
   Dark theme with bright accent colors for visibility
   ============================================================ */

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

:root {
  --bg:         #07101c;
  --bg2:        #0d1b2a;
  --bg3:        #112236;
  --card:       #0d1b2a;
  --border:     rgba(255,255,255,.08);
  --border2:    rgba(14,165,233,.25);
  --primary:    #0ea5e9;
  --primary2:   #38bdf8;
  --green:      #10b981;
  --green2:     #4ade80;
  --red:        #f43f5e;
  --red2:       #f87171;
  --yellow:     #f59e0b;
  --yellow2:    #fbbf24;
  --text:       #f0f6fc;
  --text2:      rgba(240,246,252,.7);
  --text3:      rgba(240,246,252,.4);
  --text4:      rgba(240,246,252,.2);
  --radius:     12px;
  --radius2:    8px;
  --shadow:     0 8px 28px rgba(0,0,0,.4);
}

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
}

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

/* ── Sidebar ────────────────────────────────── */
.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  overflow-y: auto;
  transition: transform .3s ease;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 18px;
  border-bottom: 1px solid var(--border);
}
.brand-icon { font-size: 1.8rem; }
.brand-name {
  font-size: .95rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.user-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--green));
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: .9rem; color: #fff;
  flex-shrink: 0;
}
.user-name { font-size: .82rem; font-weight: 600; color: var(--text); }
.user-plan { font-size: .72rem; color: var(--text3); }

.sidebar-nav { flex: 1; padding: 12px 10px; }
.nav-section {
  font-size: .65rem;
  font-weight: 700;
  color: var(--text4);
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 10px 8px 4px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius2);
  text-decoration: none;
  color: var(--text3);
  font-size: .875rem;
  font-weight: 500;
  transition: all .18s;
  margin-bottom: 2px;
}
.nav-item:hover { background: rgba(255,255,255,.05); color: var(--text); }
.nav-item.active {
  background: rgba(14,165,233,.12);
  color: var(--primary2);
  font-weight: 600;
}
.nav-icon { font-size: 1.1rem; width: 22px; text-align: center; flex-shrink: 0; }

.sidebar-footer { padding: 14px 18px; border-top: 1px solid var(--border); }

/* ── Main content ───────────────────────────── */
.main {
  flex: 1;
  margin-left: 240px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-title {
  font-size: 1.05rem;
  font-weight: 700;
}
.topbar-actions { display: flex; gap: 10px; align-items: center; }

.content {
  padding: 24px;
  flex: 1;
}

/* ── Cards ──────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 20px;
  overflow: hidden;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}
.card-title {
  font-size: .9rem;
  font-weight: 700;
  color: var(--text);
}
.card-body { padding: 20px; }

/* ── Buttons ────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: var(--radius2);
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  font-family: inherit;
  transition: all .18s;
  text-decoration: none;
  white-space: nowrap;
}
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none !important; }
.btn-primary {
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  color: #fff;
}
.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(14,165,233,.4);
}
.btn-success {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
}
.btn-success:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(16,185,129,.4);
}
.btn-danger {
  background: rgba(244,63,94,.15);
  color: var(--red2);
  border: 1px solid rgba(244,63,94,.25);
}
.btn-danger:hover:not(:disabled) { background: rgba(244,63,94,.25); }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--primary2);
}
.btn-outline:hover:not(:disabled) { background: rgba(14,165,233,.08); }
.btn-ghost {
  background: rgba(255,255,255,.05);
  color: var(--text2);
  border: 1px solid var(--border);
}
.btn-ghost:hover:not(:disabled) { background: rgba(255,255,255,.1); }
.btn-sm { padding: 6px 14px; font-size: .78rem; }
.btn-full { width: 100%; }

/* ── Forms ──────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: .78rem;
  font-weight: 600;
  color: var(--text3);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.form-control {
  width: 100%;
  padding: 10px 14px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  color: var(--text);
  font-size: .875rem;
  font-family: inherit;
  outline: none;
  transition: border-color .18s, background .18s;
}
.form-control::placeholder { color: var(--text4); }
.form-control:focus {
  border-color: var(--primary);
  background: rgba(14,165,233,.05);
}
.form-control:disabled { opacity: .45; cursor: not-allowed; }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }

/* ── Alerts ─────────────────────────────────── */
.alert {
  padding: 11px 14px;
  border-radius: var(--radius2);
  font-size: .84rem;
  margin-bottom: 16px;
  display: none;
}
.alert.show { display: block; }
.alert-error   { background: rgba(244,63,94,.1); border: 1px solid rgba(244,63,94,.25); color: var(--red2); }
.alert-success { background: rgba(16,185,129,.1); border: 1px solid rgba(16,185,129,.25); color: var(--green2); }
.alert-info    { background: rgba(14,165,233,.1); border: 1px solid rgba(14,165,233,.25); color: var(--primary2); }
.alert-warning { background: rgba(245,158,11,.1); border: 1px solid rgba(245,158,11,.25); color: var(--yellow2); }

/* ── Badges ─────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border-radius: 100px;
  font-size: .7rem;
  font-weight: 700;
}
.badge-green  { background: rgba(16,185,129,.15); color: var(--green2); }
.badge-blue   { background: rgba(14,165,233,.15); color: var(--primary2); }
.badge-red    { background: rgba(244,63,94,.15);  color: var(--red2); }
.badge-yellow { background: rgba(245,158,11,.15); color: var(--yellow2); }
.badge-gray   { background: rgba(100,116,139,.15); color: #94a3b8; }

/* ── Stats ──────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}
.stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary2);
  line-height: 1;
}
.stat-label {
  font-size: .7rem;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-top: 5px;
}

/* ── Grid ───────────────────────────────────── */
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }

/* ── Table ──────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .84rem; }
th {
  text-align: left;
  padding: 10px 14px;
  font-size: .7rem;
  font-weight: 700;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: .06em;
  border-bottom: 1px solid var(--border);
}
td { padding: 11px 14px; border-bottom: 1px solid rgba(255,255,255,.04); color: var(--text2); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,.02); }

/* ── Loading overlay ────────────────────────── */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(7,16,28,.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  flex-direction: column;
  gap: 14px;
}
.overlay.show { display: flex; }
.spinner {
  width: 40px; height: 40px;
  border: 3px solid rgba(255,255,255,.1);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.overlay-text { font-size: .85rem; color: var(--text3); }

/* ── Mobile toggle ──────────────────────────── */
.sidebar-toggle {
  display: none;
  position: fixed;
  top: 14px; left: 14px;
  z-index: 150;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 38px; height: 38px;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--text);
  align-items: center;
  justify-content: center;
}

/* ── Responsive ─────────────────────────────── */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0,0,0,.5);
  }
  .main { margin-left: 0; }
  .sidebar-toggle { display: flex; }
  .topbar { padding: 12px 16px 12px 60px; }
  .content { padding: 16px; }
  .grid2, .grid3, .grid4 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Utilities ──────────────────────────────── */
.mt8  { margin-top: 8px; }
.mt16 { margin-top: 16px; }
.mt24 { margin-top: 24px; }
.mb16 { margin-bottom: 16px; }
.mb24 { margin-bottom: 24px; }
.text-center { text-align: center; }
.text-muted  { color: var(--text3); font-size: .84rem; }
.text-sm     { font-size: .82rem; }
.text-xs     { font-size: .75rem; }
.flex        { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between{ display: flex; align-items: center; justify-content: space-between; }
.flex-gap8   { display: flex; gap: 8px; align-items: center; }
.w100        { width: 100%; }
.fw700       { font-weight: 700; }

/* ── Auth pages ─────────────────────────────── */
.auth-page {
  min-height: 100vh;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.auth-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 38px 34px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow);
}
.auth-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  margin-bottom: 28px;
}
.auth-logo-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--green));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
}
.auth-logo-text {
  font-size: 1.1rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.auth-title { font-size: 1.4rem; font-weight: 800; text-align: center; margin-bottom: 6px; }
.auth-sub   { text-align: center; color: var(--text3); font-size: .85rem; margin-bottom: 26px; }
.auth-footer{
  text-align: center;
  margin-top: 20px;
  font-size: .85rem;
  color: var(--text3);
}
.auth-footer a { color: var(--primary2); text-decoration: none; font-weight: 600; }

/* Pass toggle */
.pass-wrap { position: relative; }
.pass-wrap .form-control { padding-right: 42px; }
.pass-eye {
  position: absolute;
  right: 10px; top: 50%;
  transform: translateY(-50%);
  background: none; border: none;
  cursor: pointer;
  color: var(--text4);
  font-size: .95rem;
  padding: 4px;
  transition: color .15s;
}
.pass-eye:hover { color: var(--text2); }