:root {
  --primary: #0A84FF;
  --primary-dark: #0068cc;
  --navy: #082A63;
  --bg: #F5F8FC;
  --white: #FFFFFF;
  --text: #1F2937;
  --muted: #64748B;
  --border: #E2E8F0;
  --success: #16A34A;
  --danger: #DC2626;
  --warning: #F59E0B;
  --radius: 12px;
  --shadow: 0 2px 10px rgba(15, 23, 42, 0.06);
  --sidebar-w: 250px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, "Segoe UI", Roboto, Inter, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { color: var(--navy); margin: 0 0 .5rem; }

/* AUTH PAGES */
.auth-page {
  min-height: 100vh; display: grid; place-items: center;
  background: linear-gradient(135deg, #eef4fb 0%, #dbe9fa 100%);
  padding: 1.25rem;
}
.auth-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 40px rgba(8, 42, 99, 0.08);
  padding: 2rem;
  width: 100%; max-width: 420px;
}
.auth-brand {
  font-weight: 700; color: var(--primary); margin-bottom: 1rem;
  font-size: 1.05rem; display: flex; align-items: center; gap: .5rem;
}
.auth-card h1 { font-size: 1.5rem; }
.auth-card .center { text-align: center; }

/* FORMS */
label { display: block; margin-bottom: .9rem; font-weight: 500; font-size: .92rem; }
input[type="text"], input[type="email"], input[type="password"], input[type="number"],
input[type="url"], textarea, select {
  width: 100%; margin-top: .35rem;
  padding: .65rem .8rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  font: inherit;
  color: var(--text);
  transition: border-color .15s, box-shadow .15s;
}
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(10, 132, 255, .15);
}
input[type="file"] {
  width: 100%; margin-top: .35rem; padding: .5rem;
  background: #f8fafc; border: 1px dashed var(--border); border-radius: 8px;
}
textarea { resize: vertical; min-height: 100px; }
.pw-wrap { position: relative; display: block; }
.pw-wrap input { padding-right: 2.6rem; }
.pw-toggle {
  position: absolute; right: .5rem; top: 50%; transform: translateY(-50%);
  background: transparent; border: 0; color: var(--muted);
  cursor: pointer; padding: .35rem;
}
.checkbox-row {
  display: flex; align-items: center; gap: .5rem; font-weight: 500;
}
.checkbox-row input { width: auto; margin: 0; }
hr.divider { border: 0; border-top: 1px solid var(--border); margin: 1rem 0; }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .6rem 1rem; border-radius: 8px;
  border: 1px solid var(--border); background: #fff; color: var(--text);
  font: inherit; font-weight: 500; cursor: pointer;
  transition: all .15s;
}
.btn:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.btn:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(10,132,255,.25); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }
.btn-danger { background: #fff; border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-block { width: 100%; justify-content: center; }
.btn-sm { padding: .4rem .7rem; font-size: .85rem; }

/* ALERTS */
.alert {
  padding: .8rem 1rem; border-radius: 8px; margin-bottom: 1rem; font-size: .93rem;
  display: flex; justify-content: space-between; align-items: center;
}
.alert-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert-close { background: none; border: 0; font-size: 1.25rem; cursor: pointer; color: inherit; }

/* APP LAYOUT */
.app-shell { display: flex; min-height: 100vh; }
.app-sidebar {
  width: var(--sidebar-w); flex: 0 0 var(--sidebar-w);
  background: var(--white);
  border-right: 1px solid var(--border);
  padding: 1rem .75rem;
  position: sticky; top: 0; height: 100vh;
  overflow-y: auto;
  z-index: 20;
}
.sidebar-brand {
  display: flex; align-items: center; gap: .55rem;
  font-weight: 700; color: var(--primary);
  padding: .5rem .75rem 1rem;
  font-size: 1.05rem;
}
.sidebar-nav { display: flex; flex-direction: column; gap: .15rem; }
.nav-item {
  display: flex; align-items: center; gap: .7rem;
  padding: .65rem .75rem; border-radius: 8px;
  color: var(--text); font-size: .93rem;
}
.nav-item i { width: 1.1rem; text-align: center; color: var(--muted); }
.nav-item:hover { background: #eef5ff; color: var(--primary); text-decoration: none; }
.nav-item:hover i { color: var(--primary); }
.nav-item.active { background: #e6f1ff; color: var(--primary); font-weight: 600; }
.nav-item.active i { color: var(--primary); }
.nav-logout { margin-top: 1rem; border-top: 1px solid var(--border); padding-top: 1rem; }

.app-main { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; }
.app-header {
  background: var(--white); border-bottom: 1px solid var(--border);
  padding: .9rem 1.5rem;
  display: flex; align-items: center; gap: 1rem;
  position: sticky; top: 0; z-index: 10;
}
.hamburger {
  display: none; background: #fff; border: 1px solid var(--border);
  border-radius: 8px; padding: .4rem .6rem; cursor: pointer;
  color: var(--navy); font-size: 1.05rem;
}
.page-title { font-size: 1.15rem; margin: 0; flex: 1; }
.owner-chip { display: flex; align-items: center; gap: .55rem; font-size: .9rem; }
.owner-chip .avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--primary); color: #fff;
  display: grid; place-items: center; font-weight: 600;
}
.owner-name { color: var(--navy); font-weight: 500; }

.app-content { padding: 1.5rem; max-width: 1200px; width: 100%; margin: 0 auto; }
.app-footer {
  text-align: center; padding: 1rem;
  color: var(--muted); font-size: .85rem;
  border-top: 1px solid var(--border);
  background: var(--white);
}

/* PANEL / CARDS */
.panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}
.panel-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1rem; gap: .75rem;
}
.panel-head h2 { font-size: 1.05rem; display: flex; align-items: center; gap: .5rem; }

.grid-cards {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-bottom: 1.25rem;
}
.stat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.1rem;
  display: flex; align-items: center; gap: .9rem;
}
.stat-icon {
  width: 46px; height: 46px; flex-shrink: 0;
  display: grid; place-items: center;
  background: #e6f1ff; color: var(--primary);
  border-radius: 10px; font-size: 1.15rem;
}
.stat-value { font-size: 1.4rem; font-weight: 700; color: var(--navy); line-height: 1.1; }
.stat-value.small { font-size: 1rem; }
.stat-label { color: var(--muted); font-size: .82rem; margin-top: .15rem; }

/* QUICK ACTIONS */
.quick-actions { display: flex; flex-wrap: wrap; gap: .6rem; }

/* EMPTY STATE */
.empty-state {
  text-align: center; padding: 2rem 1rem;
  background: var(--white); border: 1px dashed var(--border);
  border-radius: var(--radius); color: var(--muted);
  margin-bottom: 1.25rem;
}
.empty-state i { font-size: 2rem; color: var(--primary); margin-bottom: .5rem; display: block; }
.empty-state p { margin-bottom: .9rem; }

/* PREVIEW GRID */
.preview-grid { display: grid; grid-template-columns: 140px 1fr; gap: 1.25rem; }
.preview-logo { width: 140px; height: 140px; border-radius: 12px; overflow: hidden; background: #f1f5f9; display: grid; place-items: center; }
.preview-logo img { width: 100%; height: 100%; object-fit: cover; }
.logo-placeholder { color: var(--muted); font-size: 1.6rem; }
.connect-preview { margin-top: .75rem; padding: .8rem; border: 1px dashed var(--border); border-radius: 8px; }
.badge { display: inline-block; padding: .18rem .6rem; border-radius: 999px; font-size: .75rem; font-weight: 600; }
.badge-blue { background: #e6f1ff; color: var(--primary); }
.badge-success { background: #dcfce7; color: #166534; }
.badge-muted { background: #f1f5f9; color: var(--muted); }

/* CONTACT LIST */
.contact-list { display: flex; flex-direction: column; gap: .6rem; }
.contact-row {
  display: flex; align-items: center; gap: .9rem;
  padding: .65rem .75rem; border: 1px solid var(--border); border-radius: 10px;
  background: #fff;
  flex-wrap: wrap;
}
.contact-icon {
  width: 42px; height: 42px; flex-shrink: 0;
  border-radius: 10px; background: #eef5ff; color: var(--primary);
  display: grid; place-items: center; overflow: hidden; font-size: 1.1rem;
}
.contact-icon img { width: 100%; height: 100%; object-fit: cover; }
.contact-info { flex: 1 1 200px; min-width: 0; display: flex; flex-direction: column; }
.contact-info small { font-size: .82rem; }

/* CONTACT GRID */
.contact-grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.contact-card {
  border: 1px solid var(--border); border-radius: 10px;
  padding: 1rem; background: #fff;
  display: flex; flex-direction: column; gap: .5rem;
}
.contact-card-top { display: flex; gap: .75rem; align-items: center; }
.contact-card-head { flex: 1; display: flex; flex-direction: column; gap: .2rem; }
.contact-tagline { margin: 0; font-size: .9rem; min-height: 1.2em; }
.contact-card-actions { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .4rem; }
.inline-form { display: inline; }

/* TOOLBAR */
.toolbar {
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem;
}
.search-form {
  display: flex; align-items: center; gap: .5rem;
  flex: 1 1 260px; background: #fff; padding: .4rem .65rem;
  border: 1px solid var(--border); border-radius: 8px;
}
.search-form i { color: var(--muted); }
.search-form input { border: 0; padding: .3rem; margin: 0; }
.search-form input:focus { box-shadow: none; }

/* LINK & TRUNCATION */
.link-truncate {
  display: block; overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap; font-size: .82rem;
}
.link-truncate a { color: var(--primary); }

/* FORMS GRID */
.form-grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.form-grid .span-2 { grid-column: 1 / -1; }
.form-actions { display: flex; gap: .6rem; flex-wrap: wrap; }

/* IMAGE PREVIEWS */
.image-preview-wrap {
  margin-top: .6rem;
}
.image-preview-wrap img {
  max-width: 140px; max-height: 140px;
  border-radius: 10px; border: 1px solid var(--border); object-fit: cover;
}
.image-preview-wrap.large img { max-width: 200px; max-height: 200px; }

/* SIDEBAR BACKDROP (mobile) */
.sidebar-backdrop {
  display: none; position: fixed; inset: 0;
  background: rgba(8, 42, 99, .35); z-index: 15;
}
.sidebar-backdrop.active { display: block; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .app-sidebar {
    position: fixed; left: 0; top: 0;
    transform: translateX(-100%);
    transition: transform .2s ease;
    box-shadow: 0 0 20px rgba(0,0,0,.1);
  }
  .app-sidebar.open { transform: translateX(0); }
  .hamburger { display: inline-flex; align-items: center; }
  .owner-name { display: none; }
  .preview-grid { grid-template-columns: 1fr; }
  .preview-logo { width: 100%; max-width: 200px; height: 200px; margin: 0 auto; }
}

@media (max-width: 600px) {
  .app-content { padding: 1rem; }
  .panel { padding: 1rem; }
  .form-grid { grid-template-columns: 1fr; }
  .contact-row { flex-wrap: wrap; }
  .contact-row .btn { width: 100%; justify-content: center; }
  .page-title { font-size: 1rem; }
}

/* Small phones (320px) */
@media (max-width: 360px) {
  .app-content { padding: .75rem; }
  .auth-card { padding: 1.25rem; }
  .stat-card { padding: .8rem; }
}