/* Sistema de Pesquisa de Fornecedores - CSS mobile-first */

:root {
  --color-bg: #f4f6f8;
  --color-surface: #ffffff;
  --color-primary: #0f6e4f;
  --color-primary-dark: #0b5a40;
  --color-text: #1a1f26;
  --color-text-muted: #5b6572;
  --color-border: #e1e5ea;
  --color-danger: #c0392b;
  --color-danger-bg: #fdecea;
  --color-warning-bg: #fff8e1;
  --color-warning-border: #f0d878;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(16, 24, 40, 0.08), 0 1px 2px rgba(16, 24, 40, 0.06);
  --max-width: 720px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px;
}

/* --- Topbar --- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.topbar__brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-primary-dark);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* --- Cards / Surfaces --- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* --- Forms --- */
label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text-muted);
}

input[type="text"],
input[type="search"],
input[type="tel"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-surface);
  color: var(--color-text);
  appearance: none;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(15, 110, 79, 0.15);
}

.field {
  margin-bottom: 14px;
}

.phone-group {
  display: flex;
  gap: 8px;
}

.phone-group select {
  flex: 0 0 auto;
  width: auto;
  max-width: 132px;
}

.phone-group input {
  flex: 1;
  min-width: 0;
}

.field-hint {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* --- Buttons --- */
button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  background: var(--color-primary);
  color: #fff;
  width: 100%;
  transition: background 0.15s ease, opacity 0.15s ease;
}

button:hover, .btn:hover {
  background: var(--color-primary-dark);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn--secondary:hover {
  background: rgba(15, 110, 79, 0.08);
}

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

.btn--danger:hover {
  background: #9d3025;
}

.btn--auto {
  width: auto;
}

.btn--sm {
  padding: 8px 12px;
  font-size: 0.85rem;
}

/* --- Alerts / Messages --- */
.alert {
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 0.9rem;
  margin-bottom: 14px;
}

.alert--error {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  border: 1px solid rgba(192, 57, 43, 0.25);
}

.alert--info {
  background: #eaf3ff;
  color: #1a4d8f;
  border: 1px solid rgba(26, 77, 143, 0.2);
}

.alert--success {
  background: #e8f6ee;
  color: var(--color-primary-dark);
  border: 1px solid rgba(15, 110, 79, 0.25);
}

.hidden {
  display: none !important;
}

/* --- Logo / centering login screen --- */
.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
}

.auth-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--color-primary-dark);
}

.auth-subtitle {
  color: var(--color-text-muted);
  margin: 0 0 20px;
  font-size: 0.92rem;
}

/* --- Search page --- */
.search-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.search-bar input {
  flex: 1;
}

.filters {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 16px;
}

.filters select {
  font-size: 0.9rem;
  padding: 10px 12px;
}

.result-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.result-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.result-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 6px;
}

.result-card__name {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text);
}

.result-card__category {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-primary-dark);
  background: rgba(15, 110, 79, 0.1);
  padding: 3px 8px;
  border-radius: 999px;
  white-space: nowrap;
}

.result-card__city {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  margin-bottom: 8px;
}

.result-card__spec {
  font-size: 0.92rem;
  margin-bottom: 10px;
}

.result-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 0.88rem;
}

.result-card__meta a {
  color: var(--color-primary-dark);
  text-decoration: none;
  font-weight: 600;
}

.result-card__meta a:hover {
  text-decoration: underline;
}

.empty-state {
  text-align: center;
  color: var(--color-text-muted);
  padding: 40px 16px;
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  font-size: 0.9rem;
}

.pagination button {
  width: auto;
  padding: 8px 16px;
}

/* --- Disclaimer --- */
.disclaimer {
  background: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 0.8rem;
  color: #6b5613;
  margin-bottom: 16px;
}

.disclaimer strong {
  display: block;
  margin-bottom: 4px;
}

/* --- Admin --- */
.admin-nav {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.admin-nav .btn {
  width: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

th, td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--color-border);
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.stat-box {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
  text-align: center;
}

.stat-box__value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.stat-box__label {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* --- Larger screens --- */
@media (min-width: 640px) {
  .filters {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .stat-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}