/* ADMIN CSS */
:root {
  --c-bg: #0F1729;
  --c-bg-2: #161F36;
  --c-surface: #1B2540;
  --c-surface-2: #243153;
  --c-border: #2A3756;
  --c-text: #E8EEF6;
  --c-text-soft: #A8B6CB;
  --c-mute: #6B7A90;
  --c-primary: #0A6EBD;
  --c-accent: #00B894;
  --c-danger: #E94B4B;
  --c-warning: #F5A524;
  --r-md: 12px;
  --r-lg: 18px;
  --t: 220ms ease;
}

* { box-sizing: border-box; }
body {
  margin: 0; font-family: 'Inter', system-ui, sans-serif;
  background: var(--c-bg); color: var(--c-text);
  font-size: 14px; min-height: 100vh;
}

/* LOGIN */
.login-screen {
  position: fixed; inset: 0; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(ellipse at top, #1B2540 0%, #0F1729 70%);
  z-index: 200;
}
.login-card {
  width: 100%; max-width: 400px; background: var(--c-surface);
  border: 1px solid var(--c-border); border-radius: var(--r-lg);
  padding: 36px 32px; text-align: center; box-shadow: 0 30px 80px rgba(0,0,0,0.4);
}
.login-logo { width: 64px; height: 64px; margin: 0 auto 16px; }
.login-card h1 { font-family: 'Sora', sans-serif; font-size: 1.5rem; margin: 0 0 4px; }
.login-card > p { color: var(--c-text-soft); margin: 0 0 24px; font-size: 13px; }
.login-card label {
  display: flex; align-items: center; gap: 10px;
  background: var(--c-bg-2); border: 1px solid var(--c-border);
  border-radius: var(--r-md); padding: 12px 14px; margin-bottom: 12px;
  transition: border-color var(--t);
}
.login-card label:focus-within { border-color: var(--c-primary); }
.login-card i { color: var(--c-text-soft); }
.login-card input {
  flex: 1; background: none; border: 0; outline: none; color: var(--c-text); font-size: 14px;
}
.login-hint { font-size: 12px; color: var(--c-mute); margin-top: 12px; margin-bottom: 0; }
.login-hint strong { color: var(--c-accent); }

/* APP LAYOUT */
.admin-app { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
[hidden] { display: none !important; }

/* SIDEBAR */
.sidebar {
  background: var(--c-bg-2); border-right: 1px solid var(--c-border);
  display: flex; flex-direction: column; padding: 24px 16px;
  position: sticky; top: 0; height: 100vh;
}
.sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 0 8px 24px; border-bottom: 1px solid var(--c-border); margin-bottom: 16px; }
.sidebar-brand img { width: 38px; height: 38px; }
.sidebar-brand strong { display: block; font-family: 'Sora', sans-serif; font-size: 15px; }
.sidebar-brand em { font-style: normal; color: var(--c-mute); font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }
.sidebar-nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.sidebar-nav button {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border: 0; background: none;
  color: var(--c-text-soft); border-radius: var(--r-md);
  text-align: left; font-size: 13px; font-weight: 500; cursor: pointer;
  transition: background-color var(--t), color var(--t);
}
.sidebar-nav button:hover { background: var(--c-surface); color: var(--c-text); }
.sidebar-nav button.active { background: var(--c-primary); color: #fff; }
.sidebar-nav i { width: 18px; text-align: center; }
.sidebar-footer { display: flex; flex-direction: column; gap: 6px; padding-top: 16px; border-top: 1px solid var(--c-border); }

/* MAIN */
.admin-main { padding: 24px 32px; min-width: 0; }
.admin-topbar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 24px; }
.admin-topbar h2 { font-family: 'Sora', sans-serif; font-size: 1.5rem; margin: 0; }
.admin-topbar p { color: var(--c-text-soft); margin: 4px 0 0; font-size: 13px; }
.topbar-actions { display: flex; gap: 8px; }

/* PANELS */
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.card-panel {
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--r-lg); padding: 24px; margin-bottom: 20px;
}
.card-panel h3 { font-family: 'Sora', sans-serif; font-size: 1.05rem; margin: 0 0 6px; }
.card-panel .muted { color: var(--c-text-soft); font-size: 13px; margin: 0 0 18px; }
.card-panel .muted.small { font-size: 12px; }
.card-panel .muted code { background: var(--c-bg-2); padding: 2px 6px; border-radius: 4px; color: var(--c-accent); }

/* FORM */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid .full { grid-column: 1/-1; }
.form-grid label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--c-text-soft); }
.form-grid label small { color: var(--c-mute); font-size: 11px; }
.form-grid input, .form-grid select, .form-grid textarea {
  background: var(--c-bg-2); border: 1px solid var(--c-border);
  border-radius: var(--r-md); padding: 10px 12px; color: var(--c-text); font-size: 13px;
  font-family: inherit; outline: none; transition: border-color var(--t);
}
.form-grid input:focus, .form-grid select:focus { border-color: var(--c-primary); }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 16px; border-radius: var(--r-md); font-weight: 600; font-size: 13px;
  border: 0; cursor: pointer;
  transition: background-color var(--t), color var(--t), box-shadow var(--t);
  text-decoration: none;
  font-family: inherit;
}
.btn-sm { padding: 8px 12px; font-size: 12px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--c-primary); color: #fff; }
.btn-primary:hover { background: #075A9C; }
.btn-outline { background: transparent; color: var(--c-primary); border: 1px solid var(--c-primary); }
.btn-outline:hover { background: var(--c-primary); color: #fff; }
.btn-ghost { background: transparent; color: var(--c-text-soft); }
.btn-ghost:hover { background: var(--c-surface-2); color: var(--c-text); }
.btn-whats { background: #25D366; color: #fff; }
.btn-whats:hover { background: #1FB957; }
.btn-danger { background: var(--c-danger); color: #fff; }

/* COLOR GRID */
.color-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; }
.color-item { background: var(--c-bg-2); border: 1px solid var(--c-border); border-radius: var(--r-md); padding: 12px; }
.color-swatch { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.color-swatch input[type=color] { width: 44px; height: 44px; border: 0; padding: 0; background: none; cursor: pointer; border-radius: 8px; }
.color-swatch input[type=text] { flex: 1; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 8px; padding: 8px 10px; color: var(--c-text); font-family: monospace; font-size: 12px; }
.color-item label { font-size: 12px; font-weight: 600; color: var(--c-text); }
.color-item small { display: block; color: var(--c-mute); font-size: 11px; margin-top: 2px; }

/* DYNAMIC LIST */
.dynamic-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 14px; }
.dynamic-item {
  display: grid; grid-template-columns: 1fr 1fr 1fr auto; gap: 10px; align-items: center;
  background: var(--c-bg-2); border: 1px solid var(--c-border); border-radius: var(--r-md); padding: 12px;
}
.dynamic-item input {
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: 8px; padding: 8px 10px; color: var(--c-text); font-size: 13px; outline: none;
}
.dynamic-item input:focus { border-color: var(--c-primary); }
.dynamic-item .btn-danger { padding: 6px 10px; }

/* CHART EDITOR */
.chart-editor { display: flex; flex-direction: column; gap: 16px; }
.chart-block { background: var(--c-bg-2); border: 1px solid var(--c-border); border-radius: var(--r-md); padding: 16px; }
.chart-block h4 { font-family: 'Sora', sans-serif; margin: 0 0 10px; font-size: 14px; }
.chart-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 8px; }
.chart-row input, .chart-row textarea {
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: 8px; padding: 8px 10px; color: var(--c-text); font-size: 12px; outline: none;
  font-family: 'JetBrains Mono', monospace;
}
.chart-block textarea { width: 100%; resize: vertical; min-height: 60px; }

/* TOAST */
.toast {
  position: fixed; top: 24px; right: 24px; z-index: 300;
  background: var(--c-accent); color: #fff; padding: 12px 18px;
  border-radius: var(--r-md); font-weight: 600; font-size: 13px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.3);
  display: flex; align-items: center; gap: 8px;
  animation: slideIn 0.3s ease;
}
.toast.error { background: var(--c-danger); }
@keyframes slideIn { from { transform: translateX(20px); opacity: 0; } to { transform: none; opacity: 1; } }

/* RESPONSIVE */
@media (max-width: 900px) {
  .admin-app { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; flex-direction: row; flex-wrap: wrap; padding: 12px; }
  .sidebar-brand { border: 0; padding: 0 8px; margin: 0; width: 100%; }
  .sidebar-nav { flex-direction: row; flex-wrap: wrap; flex: none; }
  .sidebar-nav button { flex: 1 1 auto; min-width: 110px; }
  .sidebar-footer { width: 100%; flex-direction: row; padding: 0; border: 0; }
  .admin-main { padding: 20px 16px; }
  .form-grid { grid-template-columns: 1fr; }
  .dynamic-item { grid-template-columns: 1fr; }
}