@import url('../shared/base.css');

:root {
  --bg: #f1f5f9;
  --surface: #fff;
  --text: #0f172a;
  --text-secondary: #64748b;
  --border: #e2e8f0;
  --shadow: 0 1px 3px rgba(0,0,0,.06);
  --shadow-lg: 0 4px 12px rgba(0,0,0,.08);
  --primary: #2563eb;
  --secondary: #003366;
  --accent: #3b82f6;
  --cor-destaque: #f59e0b;
  --cor-sucesso: #28a745;
  --cor-erro: #dc3545;
  --radius: 16px;
  --radius-sm: 10px;
  --font: 'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  --transition: .3s ease;
  --touch-target: 48px;
}

body.dark-theme {
  --bg: #0a1929;
  --surface: #112233;
  --text: #e9ecef;
  --text-secondary: #8696a7;
  --border: #334b61;
  --shadow: 0 1px 3px rgba(0,0,0,.4);
  --shadow-lg: 0 4px 12px rgba(0,0,0,.5);
  --primary: #3b82f6;
  --accent: #60a5fa;
}

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

body {
  font-family: var(--font); background: var(--bg); color: var(--text);
  line-height: 1.6; transition: background-color var(--transition), color var(--transition);
  overflow-x: hidden; -webkit-text-size-adjust: 100%;
}

.app-container { max-width: 1100px; margin: 0 auto; padding: 0 1rem 2rem; }
.app-header {
  background: linear-gradient(145deg,#0f172a 0%,#1e3a5f 50%,#1a365d 100%);
  color: #fff; padding: .9rem 1.25rem; border-radius: 0 0 var(--radius) var(--radius);
  margin: 0 -1rem 1rem; display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; position: sticky; top: 0; z-index: 50;
}
.header-content { display: flex; justify-content: space-between; align-items: center; width: 100%; }
.header-content h1 { font-size: 1rem; font-weight: 600; display: flex; align-items: center; gap: .75rem; margin: 0; }
.app-main { display: flex; flex-direction: column; gap: 1rem; }

.theme-switcher { display: flex; align-items: center; gap: .5rem; }
.theme-switcher i { font-size: .85rem; color: rgba(255,255,255,.7); }
.switch { position: relative; display: inline-block; width: 50px; height: 26px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
  position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(255,255,255,.25); transition: .4s; border-radius: 26px;
}
.slider:before {
  content: ""; position: absolute; height: 20px; width: 20px;
  left: 3px; bottom: 3px; background-color: #fff; transition: .4s; border-radius: 50%;
}
input:checked + .slider { background-color: var(--accent); }
input:checked + .slider:before { transform: translateX(24px); }

.card {
  background: var(--surface); padding: 1.25rem;
  border-radius: var(--radius-sm); border: 1px solid var(--border);
  box-shadow: var(--shadow); transition: all var(--transition);
}
.card h2 {
  font-size: 1.05rem; font-weight: 700; color: var(--text);
  margin: 0 0 1rem 0; padding-bottom: .5rem;
  border-bottom: 2px solid var(--border);
  display: flex; align-items: center; gap: .65rem;
}

.input-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .65rem; }
.input-group { margin-bottom: .75rem; }
.input-group label {
  display: block; font-size: .72rem; font-weight: 600;
  color: var(--text-secondary); margin-bottom: .25rem;
  text-transform: uppercase; letter-spacing: .04em;
}
.input-group select,
.input-group input {
  width: 100%; padding: .7rem .75rem;
  border: 2px solid var(--border); border-radius: var(--radius-sm);
  font-size: .9rem; font-family: var(--font); font-weight: 500;
  background: var(--bg); color: var(--text);
  transition: border-color .2s, box-shadow .2s;
  min-height: var(--touch-target); -webkit-appearance: none; appearance: none;
}
.input-group select:focus,
.input-group input:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

.form-hint {
  display: block; margin-top: .35rem; font-size: .72rem;
  font-weight: 400; text-transform: none; letter-spacing: normal;
  color: var(--text-secondary); line-height: 1.4;
}

.button-group { display: flex; gap: .65rem; margin-top: .5rem; flex-wrap: wrap; }
.main-button {
  flex: 1; min-width: 120px; min-height: var(--touch-target);
  padding: .8rem 1rem; border: none; border-radius: var(--radius-sm);
  font-size: .88rem; font-weight: 700; font-family: var(--font);
  cursor: pointer; transition: opacity .2s, transform .15s;
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff;
}
.main-button:active { transform: scale(.97); }
.main-button:hover { opacity: .92; }
.secondary-button {
  flex: 1; min-width: 120px; min-height: var(--touch-target);
  padding: .8rem 1rem; border: 2px solid var(--border); border-radius: var(--radius-sm);
  font-size: .88rem; font-weight: 600; font-family: var(--font);
  cursor: pointer; transition: all .15s;
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  background: var(--bg); color: var(--text);
}
.secondary-button:active { transform: scale(.97); }
.secondary-button:hover { border-color: var(--primary); color: var(--primary); }

.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .65rem; }
.result-item {
  background: var(--bg); padding: .75rem; border-radius: var(--radius-sm); text-align: center;
}
.result-item.full { grid-column: 1 / -1; }
.result-item.highlight {
  background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff;
}
.result-item.highlight .label { color: rgba(255,255,255,.8); }
.result-item.highlight .value { color: #fff; }
.result-item .label {
  font-size: .65rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .03em; color: var(--text-secondary); margin-bottom: .15rem;
}
.result-item .value { font-size: 1.2rem; font-weight: 800; color: var(--text); }

.table-wrap { overflow-x: auto; border-radius: var(--radius-sm); border: 1px solid var(--border); }
.table-wrap table { width: 100%; border-collapse: collapse; font-size: .8rem; }
.table-wrap th, .table-wrap td {
  padding: .5rem .45rem; text-align: center; border-bottom: 1px solid var(--border);
  white-space: nowrap; font-size: .76rem;
}
.table-wrap th {
  background: var(--bg); color: var(--text-secondary);
  font-size: .66rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
}
.table-wrap td { color: var(--text); }
.table-wrap tr:nth-child(even) { background: var(--bg); }

.info-box {
  background: var(--bg); padding: .85rem 1rem; border-radius: var(--radius-sm);
  margin: .75rem 0; font-size: .82rem; display: flex; align-items: flex-start; gap: .65rem;
}
.info-box i { color: var(--primary); font-size: 1rem; margin-top: .1rem; flex-shrink: 0; }

input, select, textarea { user-select: auto; }
.filtro-motores { display: flex; gap: .65rem; margin-bottom: .75rem; flex-wrap: wrap; }
.filtro-motores select {
  width: auto; min-width: 120px; padding: .7rem .75rem;
  border: 2px solid var(--border); border-radius: var(--radius-sm);
  font-size: .85rem; font-family: var(--font); font-weight: 500;
  background: var(--bg); color: var(--text);
  min-height: var(--touch-target); -webkit-appearance: none; appearance: none;
  transition: border-color .2s;
}
.filtro-motores select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }

.search-box { position: relative; margin-bottom: .75rem; }
.search-box input {
  width: 100%; padding: .7rem 1rem .7rem 2.5rem;
  border: 2px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg); color: var(--text); font-size: .85rem;
  font-weight: 500; font-family: var(--font);
  transition: border-color .2s; min-height: var(--touch-target);
  -webkit-appearance: none; appearance: none;
}
.search-box input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.search-box i { position: absolute; left: .85rem; top: 50%; transform: translateY(-50%); color: var(--text-secondary); }

@media (min-width: 900px) {
  .app-container {
    max-width: none;
    width: 100%;
    margin: 0 auto;
    padding: 0 1.5rem 2rem;
  }
  .app-header {
    margin: 0 0 1rem;
  }
  .card,
  .table-wrap,
  .result-grid,
  .input-grid {
    width: 100%;
    max-width: 100%;
  }
}

@media (max-width: 600px) {
  .app-container { padding: 0 .5rem 1.5rem; }
  .app-header { margin: 0 -.5rem .75rem; padding: .75rem .9rem; }
  .card { padding: 1rem; }
  .header-content h1 { font-size: .9rem; }
  .input-grid { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: 1fr; }
  .button-group { flex-direction: column; }
  .main-button, .secondary-button { width: 100%; }
  .filtro-motores { flex-direction: column; }
  .filtro-motores select { width: 100%; }
}

@media (max-width: 768px) {
  .table-wrap th, .table-wrap td { font-size: .68rem; padding: .35rem .25rem; }
}