*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --brand: #EA4B22; --brand-dark: #C43A18; --brand-light: rgba(234,75,34,0.1);
  --dark: #0F0F0F; --dark-2: #161616; --dark-3: #1E1E1E; --dark-4: #262626; --dark-5: #2E2E2E;
  --border: rgba(255,255,255,0.07); --border-md: rgba(255,255,255,0.12); --border-str: rgba(255,255,255,0.18);
  --text: #EFEFEF; --text-2: #A0A0A0; --text-3: #606060; --heading: #FFFFFF;
  --topbar-bg: rgba(15,15,15,0.9);
  --green: #22C55E; --amber: #F59E0B; --blue: #3B82F6; --red: #EF4444; --purple: #A855F7;
  --r: 10px; --r-sm: 6px; --sidebar: 220px;
}
html[data-theme="light"] {
  --dark: #F4EFE6; --dark-2: #FFFDF9; --dark-3: #FFFFFF; --dark-4: #F3ECE2; --dark-5: #E7DFD4;
  --border: rgba(18,20,26,0.08); --border-md: rgba(18,20,26,0.14); --border-str: rgba(18,20,26,0.22);
  --text: #1A1814; --text-2: #5C564D; --text-3: #8A8378; --heading: #12110E;
  --topbar-bg: rgba(244,239,230,0.92);
  --brand-light: rgba(234,75,34,0.12);
}
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: var(--dark); color: var(--text); font-size: 14px; line-height: 1.5; display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar); flex-shrink: 0; background: var(--dark-2);
  border-right: 1px solid var(--border); display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 50;
}
.sidebar-logo {
  padding: 1.25rem 1rem 1rem; border-bottom: 1px solid var(--border);
  font-size: 0.95rem; font-weight: 700; letter-spacing: -0.02em; color: var(--heading);
  text-decoration: none; display: block;
}
.sidebar-logo span { color: var(--brand); }
.sidebar-logo small { display: block; font-size: 0.68rem; font-weight: 400; color: var(--text-3); margin-top: 1px; }
.sidebar-nav { flex: 1; padding: 0.75rem 0.5rem; overflow-y: auto; }
.nav-section { margin-bottom: 1.25rem; }
.nav-section-label { font-size: 0.65rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); padding: 0 0.5rem; margin-bottom: 0.35rem; }
.nav-item {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.5rem 0.65rem; border-radius: var(--r-sm); cursor: pointer;
  color: var(--text-2); font-size: 0.82rem; transition: all 0.15s; margin-bottom: 1px;
  border: none; background: none; width: 100%; text-align: left;
}
.nav-item:hover { background: var(--dark-4); color: var(--text); }
.nav-item.active { background: var(--brand-light); color: var(--brand); font-weight: 500; }
.nav-item .ico { font-size: 1rem; width: 18px; text-align: center; flex-shrink: 0; }
.nav-badge { margin-left: auto; background: var(--brand); color: #fff; font-size: 0.62rem; font-weight: 700; padding: 1px 5px; border-radius: 100px; }
.sidebar-footer { padding: 0.75rem; border-top: 1px solid var(--border); }
.user-chip { display: flex; align-items: center; gap: 0.6rem; padding: 0.5rem; border-radius: var(--r-sm); cursor: pointer; }
.user-chip:hover { background: var(--dark-4); }
.avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--brand); display: flex; align-items: center; justify-content: center; font-size: 0.65rem; font-weight: 700; color: #fff; flex-shrink: 0; }
.user-name { font-size: 0.8rem; font-weight: 500; color: var(--text); }
.user-email { font-size: 0.68rem; color: var(--text-3); }

.main { margin-left: var(--sidebar); flex: 1; display: flex; flex-direction: column; min-height: 100vh; }
.topbar {
  position: sticky; top: 0; z-index: 40; background: var(--topbar-bg);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem; display: flex; align-items: center; justify-content: space-between; gap: 0.75rem;
}
.topbar-left { display: flex; align-items: center; gap: 0.6rem; }
.topbar-title { font-size: 0.95rem; font-weight: 600; color: var(--heading); }
.topbar-actions { display: flex; gap: 0.5rem; align-items: center; }
.content { padding: 1.5rem; flex: 1; }
.menu-toggle { display: none; }
.sidebar-backdrop { display: none; }

.card { background: var(--dark-3); border: 1px solid var(--border); border-radius: var(--r); padding: 1.25rem; }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; gap: 0.75rem; }
.card-title { font-size: 0.85rem; font-weight: 600; color: var(--heading); }
.card-sub { font-size: 0.75rem; color: var(--text-2); margin-top: 1px; }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0.75rem; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 0.75rem; }
.gap { margin-bottom: 1rem; }

.stat { background: var(--dark-4); border: 1px solid var(--border); border-radius: var(--r-sm); padding: 1rem; }
.stat-val { font-size: 1.6rem; font-weight: 700; color: var(--heading); letter-spacing: -0.03em; }
.stat-label { font-size: 0.72rem; color: var(--text-2); margin-top: 2px; }
.stat-change { font-size: 0.7rem; margin-top: 4px; }
.stat-change.up { color: var(--green); }

.badge { display: inline-flex; align-items: center; gap: 4px; font-size: 0.7rem; font-weight: 600; padding: 2px 8px; border-radius: 100px; }
.badge-waiting { background: rgba(245,158,11,0.15); color: var(--amber); }
.badge-progress { background: rgba(59,130,246,0.15); color: var(--blue); }
.badge-review { background: rgba(168,85,247,0.15); color: var(--purple); }
.badge-done { background: rgba(34,197,94,0.15); color: var(--green); }
.badge-open { background: rgba(239,68,68,0.15); color: var(--red); }
.badge-closed { background: rgba(255,255,255,0.07); color: var(--text-2); }
.badge-paid { background: rgba(34,197,94,0.15); color: var(--green); }
.badge-pending { background: rgba(245,158,11,0.15); color: var(--amber); }
.badge-overdue { background: rgba(239,68,68,0.15); color: var(--red); }
.badge-draft { background: rgba(255,255,255,0.07); color: var(--text-2); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { font-size: 0.7rem; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.06em; padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; }
td { padding: 0.75rem; border-bottom: 1px solid var(--border); font-size: 0.82rem; color: var(--text-2); vertical-align: middle; }
td:first-child { color: var(--text); font-weight: 500; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--dark-4); }

.progress-wrap { background: var(--dark-5); border-radius: 100px; height: 4px; overflow: hidden; margin-top: 6px; }
.progress-bar { height: 100%; border-radius: 100px; background: var(--brand); transition: width 0.3s; }

.timeline { display: flex; flex-direction: column; gap: 0; }
.tl-item { display: flex; gap: 0.75rem; padding: 0.75rem 0; border-bottom: 1px solid var(--border); }
.tl-item:last-child { border-bottom: none; }
.tl-dot { width: 8px; height: 8px; border-radius: 50%; margin-top: 5px; flex-shrink: 0; }
.tl-content { flex: 1; }
.tl-title { font-size: 0.82rem; color: var(--text); font-weight: 500; }
.tl-meta { font-size: 0.72rem; color: var(--text-3); margin-top: 2px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-bottom: 0.75rem; }
.form-row.full { grid-template-columns: 1fr; }
.form-group { display: flex; flex-direction: column; gap: 0.3rem; }
[hidden] { display: none !important; }
.form-group label { font-size: 0.75rem; font-weight: 500; color: var(--text-2); }
.form-group input, .form-group select, .form-group textarea {
  background: var(--dark-4); border: 1px solid var(--border-md); border-radius: var(--r-sm);
  padding: 0.5rem 0.75rem; color: var(--text); font-size: 0.82rem; outline: none;
  font-family: inherit; transition: border-color 0.15s; width: 100%;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--brand); }
.form-group textarea { min-height: 80px; resize: vertical; }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-3); }
.form-group select option { background: var(--dark-4); }
.form-hint { font-size: 0.7rem; color: var(--text-3); margin-top: 2px; }

.btn { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.45rem 0.9rem; border-radius: var(--r-sm); font-size: 0.8rem; font-weight: 500; cursor: pointer; transition: all 0.15s; border: none; font-family: inherit; text-decoration: none; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); }
.btn-ghost { background: transparent; color: var(--text-2); border: 1px solid var(--border-md); }
.btn-ghost:hover { background: var(--dark-4); color: var(--text); }
.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.72rem; }
.btn-icon { padding: 0.4rem; width: 30px; height: 30px; justify-content: center; }

.ticket-card { border: 1px solid var(--border); border-radius: var(--r-sm); padding: 0.9rem; margin-bottom: 0.6rem; cursor: pointer; transition: border-color 0.15s; }
.ticket-card:hover { border-color: var(--border-str); }
.ticket-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 0.5rem; margin-bottom: 0.35rem; }
.ticket-title { font-size: 0.82rem; font-weight: 500; color: var(--text); }
.ticket-meta { font-size: 0.7rem; color: var(--text-3); }
.ticket-preview { font-size: 0.75rem; color: var(--text-2); line-height: 1.5; margin-top: 0.3rem; }

.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.section-title { font-size: 0.95rem; font-weight: 600; color: var(--heading); }
.section-sub { font-size: 0.78rem; color: var(--text-2); margin-top: 2px; }

.doc-item { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem; border: 1px solid var(--border); border-radius: var(--r-sm); margin-bottom: 0.5rem; cursor: pointer; transition: all 0.15s; background: none; width: 100%; text-align: left; color: inherit; font-family: inherit; }
.doc-item:hover { border-color: var(--border-str); background: var(--dark-4); }
.doc-icon { width: 34px; height: 34px; border-radius: var(--r-sm); display: flex; align-items: center; justify-content: center; font-size: 1rem; flex-shrink: 0; }
.doc-name { font-size: 0.82rem; font-weight: 500; color: var(--text); }
.doc-meta { font-size: 0.7rem; color: var(--text-3); margin-top: 1px; }

.alert { border-radius: var(--r-sm); padding: 0.75rem 1rem; font-size: 0.8rem; margin-bottom: 1rem; border: 1px solid; }
.alert-warning { background: rgba(245,158,11,0.08); border-color: rgba(245,158,11,0.25); color: #FCD34D; }
.alert-info { background: rgba(59,130,246,0.08); border-color: rgba(59,130,246,0.2); color: #93C5FD; }
.alert-success { background: rgba(34,197,94,0.08); border-color: rgba(34,197,94,0.2); color: #86EFAC; }

.empty { text-align: center; padding: 2.5rem 1rem; }
.empty-icon { font-size: 2rem; margin-bottom: 0.75rem; opacity: 0.4; }
.empty-title { font-size: 0.875rem; font-weight: 500; color: var(--text-2); margin-bottom: 0.3rem; }
.empty-sub { font-size: 0.78rem; color: var(--text-3); }

.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 200; display: flex; align-items: center; justify-content: center; padding: 1rem; }
.modal { background: var(--dark-3); border: 1px solid var(--border-md); border-radius: var(--r); padding: 1.5rem; width: 100%; max-width: 520px; max-height: 90vh; overflow-y: auto; }
.modal-title { font-size: 1rem; font-weight: 600; color: var(--heading); margin-bottom: 1rem; display: flex; align-items: center; justify-content: space-between; }

.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--border); margin-bottom: 1.25rem; }
.tab { padding: 0.6rem 1rem; font-size: 0.8rem; font-weight: 500; color: var(--text-2); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; transition: all 0.15s; background: none; border-top: none; border-left: none; border-right: none; }
.tab:hover { color: var(--text); }
.tab.active { color: var(--brand); border-bottom-color: var(--brand); }

.wa-btn { display: inline-flex; align-items: center; gap: 0.4rem; background: #25D366; color: #fff; padding: 0.4rem 0.8rem; border-radius: var(--r-sm); font-size: 0.75rem; font-weight: 600; text-decoration: none; border: none; cursor: pointer; font-family: inherit; }

.loading { display: flex; align-items: center; justify-content: center; padding: 2rem; color: var(--text-3); font-size: 0.82rem; gap: 0.5rem; }
.spin { width: 16px; height: 16px; border: 2px solid var(--border-md); border-top-color: var(--brand); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.profile-banner { background: rgba(234,75,34,0.08); border: 1px solid rgba(234,75,34,0.25); border-radius: var(--r-sm); padding: 0.75rem 1rem; margin-bottom: 1rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.profile-banner p { font-size: 0.8rem; color: #FCA989; }
.profile-banner strong { color: var(--heading); }

.invoice-row { display: flex; align-items: center; justify-content: space-between; padding: 0.75rem 0; border-bottom: 1px solid var(--border); }
.invoice-row:last-child { border-bottom: none; }

body.logged-out .app-shell { display: none; }
.app-shell { display: flex; min-height: 100vh; width: 100%; }
#login-screen { display: none; min-height: 100vh; width: 100%; align-items: center; justify-content: center; padding: 1.5rem; background: var(--dark); }
body.logged-out #login-screen { display: flex; }
.login-card { width: 100%; max-width: 420px; background: var(--dark-3); border: 1px solid var(--border-md); border-radius: var(--r); padding: 1.75rem; }
.login-brand { font-size: 1.05rem; font-weight: 700; color: var(--heading); margin-bottom: 0.35rem; }
.login-brand span { color: var(--brand); }
.login-lead { color: var(--text-2); font-size: 0.85rem; margin-bottom: 1.25rem; }
.theme-toggle { width: 34px; height: 34px; }

::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--dark-5); border-radius: 4px; }

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); transition: transform 0.2s; }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .form-row { grid-template-columns: 1fr; }
  .menu-toggle { display: inline-flex; }
  .sidebar-backdrop {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 45;
  }
  .sidebar-backdrop.open { display: block; }
}