/* ============================================================
   360 Solution Provider — Shell Styles (index.css)
   Covers: topbar, sidebar, main content frame, toasts
   ============================================================ */

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

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --primary:       #7c3aed;
  --primary-dark:  #6d28d9;
  --primary-light: rgba(124,58,237,.09);
  --topbar-h:      64px;
  --sidebar-w:     256px;
  --bg:            #f8fafc;
  --sidebar-bg:    #ffffff;
  --topbar-bg:     #ffffff;
  --text-1:        #0f172a;
  --text-2:        #64748b;
  --border:        #e2e8f0;
  --shadow-sm:     0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --radius:        10px;
  --font:          'Inter', system-ui, sans-serif;
  --transition:    0.28s cubic-bezier(.4,0,.2,1);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; font-family: var(--font); background: var(--bg); }

/* ── Topbar ─────────────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; left: 0; right: 0;
  height: var(--topbar-h);
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 20px;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}
.topbar-left { display: flex; align-items: center; gap: 12px; }

.menu-toggle {
  background: none; border: none; padding: 7px; border-radius: 8px;
  color: var(--text-2); font-size: 22px; cursor: pointer;
  transition: background var(--transition), color var(--transition);
  line-height: 1; display: flex; align-items: center;
}
.menu-toggle:hover { background: var(--primary-light); color: var(--primary); }

.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-logo {
  width: 38px; height: 38px; border-radius: 10px; object-fit: contain;
  box-shadow: 0 2px 8px rgba(124,58,237,.35);
}
.brand-name {
  font-size: 16px; font-weight: 700; color: var(--text-1); white-space: nowrap;
}

/* ── Sidebar ─────────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: var(--topbar-h); left: 0;
  width: var(--sidebar-w);
  height: calc(100vh - var(--topbar-h));
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  transform: translateX(-100%);
  transition: transform var(--transition);
  z-index: 900; overflow-y: auto;
}
@media (min-width: 1024px) {
  .sidebar { transform: translateX(0); }
  /* Desktop: hamburger collapses sidebar */
  body.sidebar-collapsed .sidebar { transform: translateX(-100%); }
  body.sidebar-collapsed .main-content { margin-left: 0; }
}
/* Mobile: hamburger opens sidebar */
body.sidebar-open .sidebar { transform: translateX(0); }

.sidebar-nav { flex: 1; padding: 14px 10px; }
.sidebar-nav ul { list-style: none; }
.sidebar-nav li { margin-bottom: 2px; }

.nav-link {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; border-radius: 8px;
  text-decoration: none; color: var(--text-2);
  font-size: 14px; font-weight: 500;
  transition: background var(--transition), color var(--transition);
}
.nav-link i { font-size: 18px; flex-shrink: 0; }
.nav-link:hover { background: var(--primary-light); color: var(--primary); }
.nav-link.active {
  background: var(--primary-light); color: var(--primary); font-weight: 600;
  box-shadow: inset 3px 0 0 var(--primary);
}

.sidebar-footer {
  padding: 14px 16px 18px;
  border-top: 1px solid var(--border);
}
.sidebar-follow {
  font-size: 10px; font-weight: 700; letter-spacing: 1px;
  text-transform: uppercase; color: var(--text-2);
  margin-bottom: 10px;
}
.social-links { display: flex; gap: 8px; margin-bottom: 14px; }
.sf-icon-btn {
  display: flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--primary-light); color: var(--primary);
  font-size: 15px; text-decoration: none;
  transition: background var(--transition), color var(--transition), transform .15s;
}
.sf-icon-btn:hover {
  background: var(--primary); color: #fff;
  transform: translateY(-2px);
}
.sidebar-version {
  display: flex; align-items: center; gap: 7px;
  font-size: 11px; color: var(--text-2); font-weight: 500;
}
.version-dot {
  display: inline-block; width: 6px; height: 6px;
  border-radius: 50%; background: #4ade80; flex-shrink: 0;
  box-shadow: 0 0 0 2px rgba(74,222,128,.25);
}

/* ── Overlay (mobile) ───────────────────────────────────────── */
.sidebar-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.45); z-index: 800;
  backdrop-filter: blur(2px); -webkit-backdrop-filter: blur(2px);
}
body.sidebar-open .sidebar-overlay { display: block; }
@media (min-width: 1024px) {
  body.sidebar-open .sidebar-overlay { display: none; }
}

/* ── Main content ───────────────────────────────────────────── */
.main-content {
  height: calc(100vh - var(--topbar-h));
  transition: margin-left var(--transition);
}
@media (min-width: 1024px) {
  .main-content { margin-left: var(--sidebar-w); }
}

#frame1 {
  width: 100%; height: 100%; border: none;
  opacity: 0; transition: opacity .3s ease;
}
#frame1.loaded { opacity: 1; }

/* ── Toast System ───────────────────────────────────────────── */
#toast-container {
  position: fixed; bottom: 28px; right: 28px;
  z-index: 9999; display: flex; flex-direction: column; gap: 10px;
  pointer-events: none;
}
.app-toast {
  display: flex; align-items: center; gap: 12px;
  background: #1e2430; color: #f0f0f0;
  padding: 13px 18px; border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,.4);
  min-width: 260px; max-width: 360px;
  opacity: 0; transform: translateX(60px);
  transition: all .35s cubic-bezier(.21,1.02,.73,1);
  pointer-events: auto; border-left: 4px solid transparent;
  font-size: 14px; font-weight: 500;
}
.app-toast.show { opacity: 1; transform: translateX(0); }
.app-toast.success { border-left-color: #4ade80; }
.app-toast.error   { border-left-color: #f87171; }
.app-toast.info    { border-left-color: #60a5fa; }
.app-toast.warning { border-left-color: #fbbf24; }
.toast-icon { font-size: 16px; flex-shrink: 0; }
.app-toast.success .toast-icon { color: #4ade80; }
.app-toast.error   .toast-icon { color: #f87171; }
.app-toast.info    .toast-icon { color: #60a5fa; }
.app-toast.warning .toast-icon { color: #fbbf24; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 480px) {
  .brand-name { display: none; }
  #toast-container { bottom: 16px; right: 12px; left: 12px; }
  .app-toast { min-width: 0; max-width: 100%; }
}