/* assets/css/app.css */

/* ===== Reset bàsic ===== */
* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial; }

/* ===== Tokens / paleta minimal ===== */
:root {
  --bg: #0b1220;
  --panel: rgba(255,255,255,0.06);
  --panel2: rgba(255,255,255,0.08);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.68);
  --border: rgba(255,255,255,0.12);
  --primary: #3b82f6;
  --shadow: 0 18px 55px rgba(0,0,0,0.35);
}

/* Light mode via data-bs-theme */
html[data-bs-theme="light"] {
  --bg: #f6f8fc;
  --panel: rgba(10,22,40,0.06);
  --panel2: rgba(10,22,40,0.08);
  --text: rgba(10,22,40,0.92);
  --muted: rgba(10,22,40,0.68);
  --border: rgba(10,22,40,0.14);
  --primary: #2563eb;
  --shadow: 0 18px 55px rgba(10,22,40,0.12);
}

/* ===== Auth pages ===== */
body.auth {
  background: radial-gradient(900px 400px at 20% 10%, rgba(59,130,246,0.35), transparent 60%),
              radial-gradient(900px 400px at 90% 80%, rgba(16,185,129,0.22), transparent 55%),
              var(--bg);
  color: var(--text);
}

.auth-wrap {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 520px;
  background: linear-gradient(180deg, var(--panel2), var(--panel));
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 22px;
  backdrop-filter: blur(10px);
}

.auth-header { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 14px; }
.auth-header h1 { font-size: 20px; margin: 0; }
.auth-header p { margin: 6px 0 0; color: var(--muted); font-size: 13px; line-height: 1.35; }

.brand-dot {
  width: 14px; height: 14px; border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, #fff, rgba(255,255,255,0.2)),
              linear-gradient(135deg, rgba(59,130,246,1), rgba(16,185,129,1));
  box-shadow: 0 10px 30px rgba(59,130,246,0.35);
  margin-top: 6px;
}

.auth-form { display: grid; gap: 12px; margin-top: 12px; }

.field { display: grid; gap: 6px; }
.field span { font-size: 12px; color: var(--muted); }
.field input {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.12);
  color: var(--text);
  padding: 12px 12px;
  outline: none;
}
html[data-bs-theme="light"] .field input { background: rgba(255,255,255,0.75); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  text-decoration: none;
  font-weight: 600;
}
.btn.primary {
  background: linear-gradient(135deg, rgba(59,130,246,1), rgba(16,185,129,1));
  border: none;
}
.btn.ghost { background: transparent; }

.auth-links {
  margin-top: 12px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.auth-links a { color: var(--muted); text-decoration: none; font-size: 13px; }
.auth-links a:hover { color: var(--text); }

/* ===== App layout (dashboard) ===== */
body.app { background: var(--bg); color: var(--text); }

.layout {
  min-height: 100%;
  display: grid;
  grid-template-columns: 260px 1fr;
}

/* Sidebar sizes */
html[data-sidebar-size="md"] .layout { grid-template-columns: 200px 1fr; }
html[data-sidebar-size="sm"] .layout { grid-template-columns: 84px 1fr; }
html[data-sidebar-size="sm-hover"] .layout { grid-template-columns: 84px 1fr; }

.sidebar {
  border-right: 1px solid var(--border);
  background: linear-gradient(180deg, var(--panel2), var(--panel));
  padding: 14px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 10px 8px; }
.sidebar-title { font-weight: 800; letter-spacing: 0.2px; }

.nav { margin-top: 10px; display: grid; gap: 8px; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 10px;
  border-radius: 12px;
  text-decoration: none;
  color: var(--muted);
  border: 1px solid transparent;
}
.nav-item:hover { color: var(--text); border-color: var(--border); background: rgba(255,255,255,0.05); }
.nav-item.active { color: var(--text); border-color: var(--border); background: rgba(255,255,255,0.07); }

.main { display: grid; grid-template-rows: auto 1fr; min-width: 0; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.topbar-title { font-weight: 800; }

.content { padding: 18px; }

.card {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--panel2), var(--panel));
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow);
}
.card h2 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); line-height: 1.4; }

/* ===== Theme Customizer (Velzon-like) ===== */
.customizer-fab {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 60;
  width: 48px;
  height: 48px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(59,130,246,1), rgba(16,185,129,1));
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
  color: #fff;
  text-decoration: none;
}

.customizer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 70;
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease;
}

.customizer {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: min(420px, 92vw);
  background: linear-gradient(180deg, var(--panel2), var(--panel));
  border-left: 1px solid var(--border);
  z-index: 80;
  transform: translateX(102%);
  transition: transform .18s ease;
  display: grid;
  grid-template-rows: auto 1fr auto;
  backdrop-filter: blur(10px);
}

body.customizer-open .customizer { transform: translateX(0); }
body.customizer-open .customizer-overlay { opacity: 1; pointer-events: auto; }

.customizer-head {
  padding: 14px 14px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}

.customizer-head h3 { margin: 0; font-size: 14px; letter-spacing: .2px; }
.customizer-head p { margin: 4px 0 0; font-size: 12px; color: var(--muted); }

.customizer-close {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.customizer-body { padding: 12px 14px; overflow: auto; }

.customizer-section {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  background: rgba(255,255,255,0.03);
  margin-bottom: 12px;
}
.customizer-section h4 {
  margin: 0 0 10px;
  font-size: 12px;
  color: var(--muted);
  font-weight: 700;
  letter-spacing: .25px;
  text-transform: uppercase;
}

.opt-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.opt {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 10px;
  display: flex;
  gap: 10px;
  align-items: center;
  cursor: pointer;
  user-select: none;
}
.opt input { margin: 0; }
.opt strong { font-size: 13px; }
.opt span { font-size: 12px; color: var(--muted); }

.customizer-foot {
  padding: 12px 14px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
}
.customizer-foot small { color: var(--muted); font-size: 12px; line-height: 1.25; }

.btn.danger {
  border-color: rgba(239,68,68,0.35);
  color: rgba(239,68,68,0.95);
}

/* Topbar color modes (dashboard) */
html[data-topbar="dark"] .topbar { background: rgba(0,0,0,0.18); }
html[data-topbar="light"] .topbar { background: rgba(255,255,255,0.02); }

/* Sidebar color modes (dashboard) */
html[data-sidebar="light"] .sidebar {
  background: rgba(255,255,255,0.75);
  color: rgba(10,22,40,0.92);
}
html[data-sidebar="light"] .nav-item { color: rgba(10,22,40,0.68); }
html[data-sidebar="light"] .nav-item:hover,
html[data-sidebar="light"] .nav-item.active { color: rgba(10,22,40,0.92); }