:root {
  --bg-deep: #0b0c10;
  --bg-panel: #15171c;
  --bg-panel-light: #1c1f26;
  --border-subtle: #2a2d35;

  --amber: #f0a93c;
  --amber-light: #ffc56b;
  --amber-glow: rgba(240, 169, 60, 0.45);
  --amber-dark: #b3741a;

  --violet: #8a5cf6;
  --violet-glow: rgba(138, 92, 246, 0.35);

  --danger: #e25c5c;
  --danger-dark: #a23a3a;

  --text-main: #f3f1ec;
  --text-muted: #9a9aa3;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  background: radial-gradient(circle at 50% -10%, #1c1424 0%, var(--bg-deep) 55%, #060709 100%);
  color: var(--text-main);
  min-height: 100vh;
}

/* Título da página */
.page-header {
  margin-bottom: 20px;
}

.page-header h1 {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(90deg, var(--amber-light), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Main content */
main {
  padding: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #1a1206;
  background: linear-gradient(180deg, var(--amber-light), var(--amber));
  border: none;
  border-radius: 12px;
  cursor: pointer;
  box-shadow:
    0 6px 0 var(--amber-dark),
    0 10px 24px rgba(240, 169, 60, 0.3);
  transform: translateY(0);
  transition: transform 0.08s ease, box-shadow 0.08s ease, filter 0.2s ease;
  font-family: inherit;
}

.btn:hover {
  filter: brightness(1.08);
  box-shadow:
    0 6px 0 var(--amber-dark),
    0 12px 28px rgba(240, 169, 60, 0.45),
    0 0 36px var(--amber-glow);
}

.btn:active,
.btn.is-pressed {
  transform: translateY(6px);
  box-shadow:
    0 0 0 var(--amber-dark),
    0 4px 14px rgba(240, 169, 60, 0.3);
  filter: brightness(0.95);
}

.btn-secondary {
  color: var(--text-main);
  background: linear-gradient(180deg, var(--bg-panel-light), var(--bg-panel));
  box-shadow:
    0 6px 0 #050608,
    0 10px 20px rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  filter: brightness(1.15);
  box-shadow:
    0 6px 0 #050608,
    0 12px 24px rgba(138, 92, 246, 0.25),
    0 0 30px var(--violet-glow);
}

.btn-secondary:active,
.btn-secondary.is-pressed {
  transform: translateY(6px);
  box-shadow: 0 0 0 #050608;
}

.btn-danger {
  color: #2a0d0d;
  background: linear-gradient(180deg, #f08c8c, var(--danger));
  box-shadow:
    0 6px 0 var(--danger-dark),
    0 10px 20px rgba(226, 92, 92, 0.3);
}

.btn-danger:hover {
  filter: brightness(1.08);
  box-shadow:
    0 6px 0 var(--danger-dark),
    0 12px 24px rgba(226, 92, 92, 0.45);
}

.btn-danger:active,
.btn-danger.is-pressed {
  transform: translateY(6px);
  box-shadow: 0 0 0 var(--danger-dark);
}

.btn-small {
  padding: 10px 18px;
  font-size: 13px;
  border-radius: 10px;
  box-shadow:
    0 4px 0 var(--amber-dark),
    0 6px 14px rgba(240, 169, 60, 0.25);
}

.btn-small.btn-secondary {
  box-shadow:
    0 4px 0 #050608,
    0 6px 14px rgba(0, 0, 0, 0.3);
}

.btn-small.btn-danger {
  box-shadow:
    0 4px 0 var(--danger-dark),
    0 6px 14px rgba(226, 92, 92, 0.25);
}

.btn-small:active,
.btn-small.is-pressed {
  transform: translateY(4px);
}

/* Card / panel */
.panel {
  background: linear-gradient(160deg, var(--bg-panel) 0%, var(--bg-panel-light) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.02),
    0 20px 50px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

/* Table */
table.clientes-table {
  width: 100%;
  border-collapse: collapse;
}

.clientes-table thead th {
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
  padding: 16px 18px;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.2);
}

.clientes-table tbody td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 14px;
  vertical-align: middle;
}

.clientes-table tbody tr:last-child td {
  border-bottom: none;
}

.clientes-table tbody tr:hover {
  background: rgba(138, 92, 246, 0.06);
}

.col-acoes {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.whatsapp-link {
  color: var(--amber-light);
  text-decoration: none;
  font-weight: 600;
}

.whatsapp-link:hover {
  text-decoration: underline;
  filter: brightness(1.1);
}

.text-muted {
  color: var(--text-muted);
}

.empty-state {
  padding: 48px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 15px;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 6, 8, 0.7);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 100;
}

.hidden {
  display: none !important;
}

.modal {
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  background: linear-gradient(160deg, var(--bg-panel) 0%, var(--bg-panel-light) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 28px;
  box-shadow:
    0 25px 60px rgba(0, 0, 0, 0.6),
    0 0 80px -20px var(--violet-glow);
}

.modal h2 {
  margin: 0 0 20px;
  font-size: 20px;
  background: linear-gradient(90deg, var(--amber-light), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.form-group label .required {
  color: var(--amber);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 15px;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-deep);
  color: var(--text-main);
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-group select {
  color-scheme: dark;
  cursor: pointer;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px var(--amber-glow);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.toolbar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 20px;
}

/* Responsive: table becomes stacked cards */
@media (max-width: 1024px) {
  main {
    padding: 24px 16px 16px;
  }

  .clientes-table thead {
    display: none;
  }

  .clientes-table,
  .clientes-table tbody,
  .clientes-table tr,
  .clientes-table td {
    display: block;
    width: 100%;
  }

  .clientes-table tr {
    padding: 16px;
    border-bottom: 1px solid var(--border-subtle);
  }

  .clientes-table tbody tr:hover {
    background: none;
  }

  .clientes-table td {
    border-bottom: none;
    padding: 6px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    text-align: right;
  }

  .clientes-table td::before {
    content: attr(data-label);
    font-size: 12px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--amber);
    font-weight: 600;
    text-align: left;
  }

  .clientes-table td.col-acoes {
    justify-content: flex-end;
    margin-top: 8px;
  }

  .clientes-table td.col-acoes::before {
    display: none;
  }

  .btn {
    width: 100%;
  }

  /* Botões dentro de linhas flex (ex: "+ Novo" ao lado de select) não esticam */
  .select-com-acao .btn {
    width: auto;
    flex-shrink: 0;
  }

  .toolbar .btn {
    width: 100%;
  }

  .modal-actions .btn {
    width: 100%;
  }
}