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

:root {
  --bg: #f0eeea;
  --bg-card: #ffffff;
  --bg-sidebar: #faf8f4;
  --bg-sidebar-hover: #f0ede6;
  --border: #e2dfd8;
  --border-sidebar: #e8e4dc;
  --text: #1a1a1a;
  --text-soft: #7a7570;
  --text-sidebar: #5a5550;

  --green: #2d6b2d;
  --green-light: #3a8a3a;
  --green-bg: #eaf4ea;
  --red: #c41e1e;
  --red-light: #d63c3c;
  --red-bg: #fdeaea;
  --amber: #d4920a;
  --amber-bg: #fff6e0;

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'Inter', sans-serif;

  --radius: 14px;
  --shadow: 0 1px 2px rgba(0,0,0,0.03), 0 4px 20px rgba(0,0,0,0.05);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  display: flex;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--green); color: white; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #ccc; border-radius: 3px; }

/* ========== SIDEBAR ========== */
.sidebar {
  width: 260px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-sidebar);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-header {
  padding: 1.5rem 1.25rem 1.25rem;
  border-bottom: 1px solid var(--border-sidebar);
  text-align: center;
}

.sidebar-logo {
  width: 100%;
  max-width: 190px;
  object-fit: contain;
  margin-bottom: 0.5rem;
}

.sidebar-sub {
  font-size: 0.62rem;
  color: #999;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  font-weight: 700;
}

.sidebar-nav {
  padding: 1.25rem 0.85rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0.9rem 1.1rem;
  border-radius: 10px;
  color: var(--text-sidebar);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  transition: all 0.2s ease;
}

.nav-item:hover {
  background: var(--bg-sidebar-hover);
  color: var(--text);
}

.nav-item.active {
  background: var(--green);
  color: #fff;
  box-shadow: 0 3px 12px rgba(45, 107, 45, 0.25);
}

.nav-icon {
  width: 26px;
  text-align: center;
  font-size: 1.3rem;
}

.sidebar-backup {
  padding: 0.75rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.btn-backup {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-soft);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  text-align: center;
}

.btn-backup:hover {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-bg);
}

.btn-backup span {
  font-size: 0.9rem;
}

.backup-msg {
  font-size: 0.7rem;
  text-align: center;
  padding: 4px;
  color: var(--green);
  font-weight: 600;
}

.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border-sidebar);
  font-size: 0.62rem;
  color: #bbb;
  text-align: center;
  letter-spacing: 0.5px;
}

/* ========== MAIN ========== */
.main {
  flex: 1;
  margin-left: 260px;
  padding: 2.5rem 3rem;
  max-width: 1200px;
}

.page-header {
  margin-bottom: 2rem;
  animation: fadeDown 0.35s ease;
}

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-title {
  font-family: var(--font-body);
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 0.3rem;
  letter-spacing: -0.3px;
}

.page-desc {
  color: var(--text-soft);
  font-size: 0.88rem;
}

/* ========== STATS ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
  animation: fadeUp 0.35s ease 0.05s both;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  box-shadow: var(--shadow);
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
}

.stat-card.green::after { background: var(--green); }
.stat-card.amber::after { background: var(--amber); }
.stat-card.red::after { background: var(--red); }
.stat-card.neutral::after { background: #aaa; }

.stat-value {
  font-family: var(--font-body);
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-card.green .stat-value { color: var(--green); }
.stat-card.amber .stat-value { color: var(--amber); }
.stat-card.red .stat-value { color: var(--red); }
.stat-card.neutral .stat-value { color: var(--text); }

.stat-label {
  font-size: 0.7rem;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 700;
}

/* ========== FORMS ========== */
.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
  animation: fadeUp 0.35s ease 0.1s both;
}

.form-title {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.form-row {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
  align-items: flex-end;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex: 1;
  min-width: 140px;
}

.form-group label {
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.form-group input,
.form-group select {
  padding: 0.65rem 0.85rem;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--text);
  background: #fff;
  outline: none;
  transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(45, 107, 45, 0.08);
}

.form-group input::placeholder { color: #c0bbb5; }

/* ========== BUTTONS ========== */
.btn {
  padding: 0.65rem 1.3rem;
  border: none;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.btn-primary {
  background: var(--green);
  color: #fff;
}

.btn-primary:hover {
  background: var(--green-light);
  transform: translateY(-1px);
  box-shadow: 0 3px 12px rgba(45, 107, 45, 0.25);
}

.btn-danger {
  background: var(--red-bg);
  color: var(--red);
}

.btn-danger:hover {
  background: var(--red);
  color: #fff;
}

.btn-success {
  background: var(--green-bg);
  color: var(--green);
}

.btn-success:hover {
  background: var(--green);
  color: #fff;
}

.btn-amber {
  background: var(--amber-bg);
  color: var(--amber);
}

.btn-amber:hover {
  background: var(--amber);
  color: #fff;
}

.btn-sm {
  padding: 0.38rem 0.75rem;
  font-size: 0.75rem;
  border-radius: 8px;
}

/* ========== TABELA ========== */
.table-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  animation: fadeUp 0.35s ease 0.15s both;
}

.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.table-title { font-weight: 800; font-size: 0.95rem; flex-shrink: 0; }

.table-filters {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.search-input {
  padding: 0.5rem 0.85rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--text);
  background: var(--bg);
  outline: none;
  transition: all 0.2s;
  width: 180px;
}

.search-input:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(45, 107, 45, 0.08);
  background: #fff;
}

.search-input::placeholder { color: #bbb; }

.filter-select {
  padding: 0.5rem 0.75rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--text);
  background: var(--bg);
  outline: none;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-select:focus {
  border-color: var(--green);
}

table { width: 100%; border-collapse: collapse; }

th {
  text-align: left;
  padding: 0.7rem 1.5rem;
  font-size: 0.66rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-soft);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

td {
  padding: 0.8rem 1.5rem;
  font-size: 0.87rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(45, 107, 45, 0.015); }

/* ========== BADGES ========== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.22rem 0.65rem;
  border-radius: 20px;
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-ok { background: var(--green-bg); color: var(--green); }
.badge-alerta { background: var(--amber-bg); color: var(--amber); }
.badge-vencido { background: var(--red-bg); color: var(--red); }
.badge-pago { background: var(--green-bg); color: var(--green); }
.badge-pendente { background: var(--amber-bg); color: var(--amber); }
.badge-emprestado { background: var(--amber-bg); color: var(--amber); }
.badge-devolvido { background: var(--green-bg); color: var(--green); }

/* ========== PRICING ========== */
.price-result {
  background: var(--green-bg);
  border: 2px solid rgba(45, 107, 45, 0.15);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  margin-top: 1.25rem;
  display: none;
  animation: fadeUp 0.3s ease;
}

.price-result.visible { display: block; }

.price-value {
  font-family: var(--font-body);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--green);
  letter-spacing: -0.5px;
}

.price-label {
  font-size: 0.72rem;
  color: var(--text-soft);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 700;
}

.price-details {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(45, 107, 45, 0.15);
}

.price-detail { text-align: center; }
.price-detail-value { font-weight: 800; font-size: 1.15rem; color: var(--text); }
.price-detail-label {
  font-size: 0.62rem;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  margin-top: 2px;
}

/* ========== FIADO ========== */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.35s ease 0.15s both;
}

.client-card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: all 0.2s ease;
}

.client-card:hover {
  border-color: var(--green);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.client-name { font-weight: 800; font-size: 1.02rem; margin-bottom: 2px; }
.client-phone { font-size: 0.78rem; color: var(--text-soft); margin-bottom: 0.85rem; }

.client-debt {
  font-family: var(--font-body);
  font-size: 1.3rem;
  font-weight: 800;
}

.client-debt.has-debt { color: var(--red); }
.client-debt.no-debt { color: var(--green); }

.client-debt-label {
  font-size: 0.62rem;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 700;
}

.client-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.85rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

/* ========== MODAL ========== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(5px);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal-overlay.visible { display: flex; }

.modal {
  background: var(--bg-card);
  border-radius: 18px;
  max-width: 640px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 30px 100px rgba(0,0,0,0.25);
  animation: modalIn 0.3s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem 1.75rem;
  border-bottom: 1px solid var(--border);
}

.modal-title { font-family: var(--font-body); font-weight: 700; font-size: 1.1rem; }

.modal-close {
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--text-soft);
  width: 34px; height: 34px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.modal-close:hover { background: var(--red-bg); color: var(--red); border-color: transparent; }

.modal-body { padding: 1.75rem; }

.bulk-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 1rem;
  flex-wrap: nowrap;
  white-space: nowrap;
  overflow-x: auto;
}

.bulk-check-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-soft);
  cursor: pointer;
}

.bulk-check-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--green);
  cursor: pointer;
}

#bulk-count {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--green);
}

.debt-check {
  width: 16px;
  height: 16px;
  accent-color: var(--green);
  cursor: pointer;
  vertical-align: middle;
  margin-right: 6px;
}

/* ========== EMPTY ========== */
.empty { text-align: center; padding: 3rem 1rem; color: var(--text-soft); }
.empty-icon { font-size: 2.5rem; margin-bottom: 0.75rem; opacity: 0.3; }
.empty-text { font-size: 0.88rem; font-weight: 500; }

/* ========== PAGES ========== */
.page { display: none; }
.page.active { display: block; animation: fadeUp 0.3s ease; }

/* ========== MOBILE HEADER ========== */
.mobile-header {
  display: none;
}

@media (max-width: 768px) {
  .mobile-header {
    display: flex;
    justify-content: center;
    padding: 0.75rem 0 0.5rem;
  }

  .mobile-logo {
    max-width: 140px;
    object-fit: contain;
  }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  body {
    flex-direction: column;
    padding-bottom: 70px;
  }

  .sidebar {
    width: 100%;
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    height: auto;
    flex-direction: column;
    border-right: none;
    border-top: 1px solid var(--border-sidebar);
    border-bottom: none;
    z-index: 100;
    background: var(--bg-sidebar);
    box-shadow: 0 -2px 12px rgba(0,0,0,0.06);
  }

  .sidebar-header { display: none; }
  .sidebar-sub { display: none; }
  .sidebar-footer { display: none; }

  .sidebar-nav {
    flex-direction: row;
    padding: 0.4rem 0.25rem;
    gap: 0;
    justify-content: space-around;
  }

  .nav-item {
    flex: 1;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 0.5rem 0.25rem;
    font-size: 0.65rem;
    border-radius: 8px;
    text-align: center;
  }

  .nav-item.active {
    background: var(--green);
    color: #fff;
  }

  .nav-icon {
    font-size: 1.3rem;
    width: auto;
    display: block;
  }

  .main {
    margin-left: 0;
    padding: 1.25rem 1rem;
    max-width: 100%;
  }

  .page-header { margin-bottom: 1.25rem; }
  .page-title { font-size: 1.3rem; }
  .page-desc { font-size: 0.82rem; }

  .form-row { flex-direction: column; }
  .form-group { min-width: 100% !important; max-width: 100% !important; }
  .form-card { padding: 1.25rem; }

  .stats-grid { grid-template-columns: 1fr 1fr; gap: 0.6rem; }
  .stat-card { padding: 1rem; }
  .stat-value { font-size: 1.4rem; }
  .stat-label { font-size: 0.6rem; }

  .table-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
  }

  .table-filters {
    width: 100%;
    flex-direction: column;
  }

  .search-input { width: 100%; }
  .filter-select { width: 100%; }

  th { padding: 0.5rem 0.75rem; font-size: 0.6rem; }
  td { padding: 0.6rem 0.75rem; font-size: 0.8rem; }

  .table-card { overflow-x: auto; }
  table { min-width: 500px; }

  .clients-grid { grid-template-columns: 1fr; }

  .price-value { font-size: 2rem; }
  .price-details { gap: 1.5rem; }
  .price-result { padding: 1.25rem; }

  .modal-overlay { padding: 0.75rem; }
  .modal { border-radius: 14px; max-height: 90vh; }
  .modal-header { padding: 1rem 1.25rem; }
  .modal-body { padding: 1.25rem; }
  .modal-body table { min-width: 400px; }

  .btn { padding: 0.6rem 1rem; font-size: 0.82rem; }
}