/* =============================================================
   Muhasebe CRM - Premium UI
   Light/Dark theme + Responsive
   ============================================================= */

:root{
  --brand-1:#6366f1;
  --brand-2:#0ea5e9;
  --brand-grad: linear-gradient(135deg,#6366f1 0%, #0ea5e9 100%);
  --sidebar-w: 264px;
  --sidebar-w-collapsed: 76px;
  --topbar-h: 64px;
  --radius: 12px;
}

[data-bs-theme="light"]{
  --bg-app: #f4f6fb;
  --bg-card: #ffffff;
  --bg-sidebar: #0f172a;
  --bg-sidebar-hover: rgba(255,255,255,.06);
  --text-sidebar: #cbd5e1;
  --text-sidebar-active: #ffffff;
  --border: #e5e7eb;
  --muted: #6b7280;
  --shadow-sm: 0 1px 2px rgba(15,23,42,.06);
  --shadow-md: 0 4px 16px rgba(15,23,42,.08);
}

[data-bs-theme="dark"]{
  --bg-app: #0b1020;
  --bg-card: #111827;
  --bg-sidebar: #0a0f1c;
  --bg-sidebar-hover: rgba(255,255,255,.06);
  --text-sidebar: #94a3b8;
  --text-sidebar-active: #ffffff;
  --border: rgba(255,255,255,.08);
  --muted: #94a3b8;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow-md: 0 8px 30px rgba(0,0,0,.45);
}

*{ box-sizing: border-box; }

body{
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-app);
  color: var(--bs-body-color);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a{ text-decoration: none; }

/* ---------------- App shell ---------------- */
.app{
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--topbar-h) 1fr;
  grid-template-areas:
    "sidebar topbar"
    "sidebar main";
}
.app.sidebar-collapsed{ grid-template-columns: var(--sidebar-w-collapsed) 1fr; }

@media (max-width: 991.98px){
  .app{ grid-template-columns: 1fr; grid-template-areas: "topbar" "main"; }
}

/* ---------------- Sidebar ---------------- */
.sidebar{
  grid-area: sidebar;
  background: var(--bg-sidebar);
  color: var(--text-sidebar);
  display: flex; flex-direction: column;
  position: sticky; top:0; height: 100vh;
  border-right: 1px solid var(--border);
  z-index: 1030;
}
.sidebar .brand{
  height: var(--topbar-h);
  padding: 0 18px;
  display:flex; align-items:center; gap:12px;
  color:#fff; font-weight: 700; letter-spacing: -.3px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.sidebar .brand .logo-mark{
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--brand-grad); display:grid; place-items:center;
  box-shadow: 0 6px 16px rgba(99,102,241,.45);
  flex: 0 0 36px;
}
.sidebar .brand .logo-mark i{ color:#fff; }
.app.sidebar-collapsed .sidebar .brand-text{ display:none; }

.sidebar nav{ padding: 14px 10px; flex:1; overflow-y:auto; }
.sidebar nav .nav-section{
  font-size: .72rem; text-transform: uppercase; letter-spacing: 1.2px;
  color: #64748b; padding: 14px 12px 6px;
}
.app.sidebar-collapsed .sidebar .nav-section{ display:none; }
.sidebar nav a.nav-item{
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: 10px; color: var(--text-sidebar);
  margin-bottom: 2px; font-size: .94rem; font-weight: 500;
  transition: background-color .15s ease, color .15s ease;
  position: relative;
}
.sidebar nav a.nav-item i{ width: 20px; text-align: center; font-size: 1rem; }
.sidebar nav a.nav-item:hover{ background: var(--bg-sidebar-hover); color: #fff; }
.sidebar nav a.nav-item.active{
  background: linear-gradient(90deg, rgba(99,102,241,.18), rgba(14,165,233,.10));
  color: var(--text-sidebar-active);
}
.sidebar nav a.nav-item.active::before{
  content:""; position:absolute; left:0; top:8px; bottom:8px; width:3px;
  background: var(--brand-grad); border-radius: 0 3px 3px 0;
}
.app.sidebar-collapsed .sidebar nav a.nav-item span{ display:none; }
.app.sidebar-collapsed .sidebar nav a.nav-item{ justify-content:center; }

.sidebar .sb-footer{
  padding: 12px;
  border-top: 1px solid rgba(255,255,255,.06);
  font-size: .8rem; color:#64748b;
}
.app.sidebar-collapsed .sidebar .sb-footer{ text-align:center; font-size:.7rem; }

/* Mobil sidebar drawer */
@media (max-width: 991.98px){
  .sidebar{
    position: fixed; left: 0; top: 0; bottom: 0; width: var(--sidebar-w);
    transform: translateX(-100%); transition: transform .25s ease;
  }
  .sidebar.open{ transform: translateX(0); box-shadow: 0 30px 80px rgba(0,0,0,.5); }
  .sidebar-backdrop{
    position: fixed; inset: 0; background: rgba(0,0,0,.5);
    opacity: 0; pointer-events:none; transition: opacity .25s ease; z-index: 1029;
  }
  .sidebar-backdrop.show{ opacity:1; pointer-events:auto; }
}

/* ---------------- Topbar ---------------- */
.topbar{
  grid-area: topbar;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 16px;
  padding: 0 20px;
  position: sticky; top: 0; z-index: 1020;
  box-shadow: var(--shadow-sm);
}
.topbar .search-box{
  flex: 1; max-width: 520px;
  position: relative;
}
.topbar .search-box input{
  width: 100%; height: 40px; border-radius: 10px;
  border: 1px solid var(--border); padding: 0 14px 0 38px;
  background: var(--bs-tertiary-bg);
  color: var(--bs-body-color);
}
.topbar .search-box .ico{
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--muted);
}

.topbar-spacer{ flex: 1; }
.icon-btn{
  width: 40px; height: 40px; border-radius: 10px;
  display: grid; place-items: center;
  border: 1px solid var(--border); background: transparent;
  color: var(--bs-body-color);
  position: relative;
}
.icon-btn:hover{ background: var(--bs-tertiary-bg); }
.icon-btn .pulse{
  position: absolute; top: 8px; right: 8px;
  width: 8px; height: 8px; border-radius: 50%; background: #ef4444;
  box-shadow: 0 0 0 2px var(--bg-card);
}

.user-pill{
  display:flex; align-items:center; gap: 10px;
  padding: 6px 10px 6px 6px;
  border: 1px solid var(--border);
  border-radius: 999px; background: transparent;
  color: var(--bs-body-color); cursor: pointer;
}
.user-pill .avatar{
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--brand-grad); color: #fff;
  display: grid; place-items:center; font-weight: 600; font-size: .8rem;
}
.user-pill .name{ font-weight: 500; font-size:.95rem; }

.dropdown-menu{
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  border-radius: 12px; padding: 8px;
}

/* ---------------- Main content ---------------- */
.main{
  grid-area: main; padding: 24px; min-width: 0;
}
.page-header{
  display: flex; flex-wrap: wrap; gap: 12px;
  align-items: center; justify-content: space-between;
  margin-bottom: 18px;
}
.page-title{ margin: 0; font-weight: 700; letter-spacing: -.4px; }
.breadcrumb{ margin: 0; font-size: .85rem; color: var(--muted); }
.breadcrumb a{ color: var(--muted); }

/* ---------------- Cards ---------------- */
.card{
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.card-header{
  background: transparent; border-bottom: 1px solid var(--border);
  padding: 14px 18px; font-weight: 600;
  display: flex; align-items: center; justify-content: space-between;
}
.card-body{ padding: 18px; }

/* Stat cards */
.stat-card{
  position: relative; overflow: hidden;
  padding: 18px 20px;
}
.stat-card .label{ color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .8px; }
.stat-card .value{ font-size: 1.7rem; font-weight: 700; letter-spacing: -.5px; margin-top: 4px; }
.stat-card .trend{ font-size: .82rem; margin-top: 6px; }
.stat-card .icon{
  position: absolute; right: 14px; top: 14px;
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center; font-size: 18px; color: #fff;
  background: var(--brand-grad);
  box-shadow: 0 6px 18px rgba(99,102,241,.35);
}
.stat-card.success .icon{ background: linear-gradient(135deg,#10b981,#34d399); box-shadow:0 6px 18px rgba(16,185,129,.35);}
.stat-card.warning .icon{ background: linear-gradient(135deg,#f59e0b,#fbbf24); box-shadow:0 6px 18px rgba(245,158,11,.35); }
.stat-card.danger  .icon{ background: linear-gradient(135deg,#ef4444,#f87171); box-shadow:0 6px 18px rgba(239,68,68,.35); }
.stat-card.info    .icon{ background: linear-gradient(135deg,#0ea5e9,#38bdf8); box-shadow:0 6px 18px rgba(14,165,233,.35); }

/* Tables */
.table-wrap{ overflow-x: auto; }
.table{ margin: 0; }
.table thead th{
  background: var(--bs-tertiary-bg);
  font-weight: 600; font-size: .82rem; letter-spacing: .3px;
  text-transform: uppercase; color: var(--muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.table tbody tr:hover{ background: var(--bs-tertiary-bg); }
.table td, .table th{ padding: 12px 14px; vertical-align: middle; border-color: var(--border); }

/* Badges */
.badge{ font-weight: 600; padding: .4em .65em; border-radius: 999px; }

/* Filter bar */
.filter-bar{
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  margin-bottom: 14px;
}
.filter-bar .form-select, .filter-bar .form-control{ min-width: 140px; }

/* Empty state */
.empty-state{ text-align: center; padding: 48px 16px; color: var(--muted); }
.empty-state .ico{
  width: 72px; height: 72px; margin: 0 auto 14px;
  background: var(--bs-tertiary-bg); border-radius: 18px;
  display: grid; place-items: center; font-size: 28px; color: var(--brand-1);
}

/* Buttons */
.btn-brand{
  background: var(--brand-grad); color: #fff; border: 0;
  font-weight: 600;
}
.btn-brand:hover{ color:#fff; opacity:.95; }

/* Toast container */
.toast-container{ position: fixed; top: 80px; right: 20px; z-index: 1080; }

/* Mobile tweaks */
@media (max-width: 991.98px){
  .topbar .search-box{ display: none; }
  .main{ padding: 16px; }
  .user-pill .name{ display:none; }
}
@media (max-width: 575.98px){
  .stat-card .value{ font-size: 1.4rem; }
}

/* Scrollbar */
::-webkit-scrollbar{ width: 8px; height: 8px; }
::-webkit-scrollbar-thumb{ background: rgba(120,120,120,.4); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover{ background: rgba(120,120,120,.65); }

/* Avatar circle (table) */
.avatar-circle{
  width: 36px; height: 36px; border-radius: 50%;
  display: inline-grid; place-items: center; color:#fff; font-weight: 600;
  background: var(--brand-grad); font-size: .85rem;
}

/* Quick action grid */
.quick-actions{ display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); gap: 12px; }
.quick-action{
  display: flex; align-items: center; gap: 12px;
  padding: 14px; border-radius: 12px;
  border: 1px solid var(--border); background: var(--bg-card);
  color: inherit; transition: transform .15s ease, box-shadow .15s ease;
}
.quick-action:hover{ transform: translateY(-2px); box-shadow: var(--shadow-md); color: inherit; }
.quick-action .ico{
  width: 40px; height: 40px; border-radius: 10px;
  display: grid; place-items: center; color: #fff; background: var(--brand-grad);
  flex: 0 0 40px;
}