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

:root {
  /* Core Colors */
  --bg-app: #09090b;
  --bg-sidebar: #111115;
  --bg-panel: #18181b;
  --bg-input: #000000;
  
  /* Accents (Red/Crimson scheme) */
  --accent-main: #991b1b;
  --accent-hover: #b91c1c;
  --accent-dark: #8a2222;
  --accent-glow: rgba(153, 27, 27, 0.35);
  
  /* Text & Borders */
  --text-main: #e4e4e7;
  --text-muted: #a1a1aa;
  --border-color: #27272a;
  --border-light: #3f3f46;
  
  /* Utility */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  
  /* Typography */
  --font-ui: 'Inter', system-ui, sans-serif;
  --font-code: 'JetBrains Mono', 'Consolas', monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg-app);
  color: var(--text-main);
  font-family: var(--font-ui);
  font-size: 14px;
  overflow: hidden;
}

/* Scrollbars */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-app); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* --- Layout --- */
.app-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  height: 100vh;
}

/* --- Sidebar --- */
.pma-sidebar {
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.pma-brand {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 16px;
  border-bottom: 1px solid var(--border-color);
  background: linear-gradient(180deg, var(--bg-panel), var(--bg-sidebar));
}

.brand-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-main), var(--accent-dark));
  color: #fff;
  font-weight: 700;
  font-family: var(--font-code);
  box-shadow: 0 0 12px var(--accent-glow);
}

.pma-brand h1 { margin: 0; font-size: 16px; font-weight: 600; }
.pma-brand p { margin: 2px 0 0; color: var(--text-muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; }

.section-header {
  padding: 16px 16px 8px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.database-tree {
  padding: 0 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.db-node { 
  border-radius: 6px; 
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid rgba(255, 255, 255, 0.03);
}

.db-table-btn {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: transparent;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  text-align: left;
}
.db-table-btn:hover { color: #fff; }

.db-count {
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-app);
  padding: 2px 6px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.db-columns {
  padding: 0px 12px 10px 32px;
  display: block;
  border-top: 1px solid rgba(255,255,255,0.02);
}

.db-col {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  font-size: 12px;
  color: var(--text-muted);
}
.db-type { font-family: var(--font-code); color: var(--accent-main); font-size: 11px; }

.pma-tools { padding: 16px; border-top: 1px solid var(--border-color); }

/* --- Workspace Shell --- */
.workspace-shell {
  display: grid;
  grid-template-rows: 54px 1fr 240px; /* Topbar, Workspace, Live Panel */
  height: 100vh;
  min-width: 0;
  transition: grid-template-rows 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Modificador para ocultar o painel inferior */
.workspace-shell.panel-collapsed {
  grid-template-rows: 54px 1fr 40px; /* Oculta o conteúdo, deixa só os 40px do cabeçalho */
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 0 16px;
  background-color: var(--bg-panel);
  border-bottom: 1px solid var(--border-color);
  height: 54px;
}

.tabs { display: flex; gap: 2px; }

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 12px 24px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.tab-btn:hover { color: var(--text-main); }
.tab-btn.active {
  color: #fff;
  border-bottom-color: var(--accent-main);
  background: linear-gradient(to top, var(--accent-glow) 0%, transparent 50%);
}

.workspace {
  overflow: hidden;
  position: relative;
  height: 100%;
}

.tab-view {
  display: none;
  height: 100%;
  padding: 16px;
  overflow-y: auto;
}
.tab-view.active { display: flex; flex-direction: column; gap: 16px; }

/* --- Live Data Panel --- */
.live-data-panel {
  background: var(--bg-panel);
  border-top: 1px solid var(--border-color);
  display: grid;
  grid-template-rows: 40px 1fr;
  overflow: hidden;
}

.live-panel-header {
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border-bottom: 1px solid var(--border-color);
  height: 40px;
}

.live-panel-header h3 {
  margin: 0;
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  user-select: none;
}

.live-tabs { display: flex; gap: 4px; }

.live-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.2s;
}
.live-tab-btn:hover { color: var(--text-main); background: rgba(255,255,255,0.03); }
.live-tab-btn.active {
  background: var(--accent-main);
  color: #fff;
  box-shadow: 0 0 8px var(--accent-glow);
}

/* Toggle Panel Button */
.toggle-panel-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  display: grid;
  place-items: center;
  border-radius: 4px;
  transition: all 0.2s;
  font-size: 10px;
}
.toggle-panel-btn:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

/* --- Cards & Panels --- */
.hero-card {
  padding: 16px 20px;
  background: linear-gradient(135deg, var(--bg-panel), var(--bg-app));
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.hero-card h2 { margin: 0 0 4px 0; font-size: 20px; font-weight: 600; }
.hero-card p { margin: 0; color: var(--text-muted); font-size: 13px; }

.two-column {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 16px;
  flex: 1;
  min-height: 0;
}

.panel-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel-header {
  padding: 10px 14px;
  background: rgba(0,0,0,0.2);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.panel-header h3 { margin: 0; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); }

.side-list { padding: 6px; display: flex; flex-direction: column; gap: 2px; overflow-y: auto; }

/* --- Editors & Consoles --- */
.editor-card {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  min-height: 160px;
}

.editor-bar {
  padding: 6px 12px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border-color);
  font-family: var(--font-code);
  font-size: 11px;
  color: var(--text-muted);
}

textarea {
  flex: 1;
  background: transparent;
  border: none;
  color: #fff;
  font-family: var(--font-code);
  font-size: 13px;
  line-height: 1.5;
  padding: 12px;
  resize: none;
  outline: none;
}

.actions {
  padding: 8px;
  background: var(--bg-panel);
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 6px;
}

/* --- Buttons --- */
button.btn-primary, button.btn-secondary, button.btn-ghost {
  padding: 6px 12px;
  border-radius: 4px;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid transparent;
}

button.btn-primary { background: var(--accent-main); color: #fff; }
button.btn-primary:hover { background: var(--accent-hover); box-shadow: 0 0 10px var(--accent-glow); }
button.btn-secondary { background: var(--border-color); color: var(--text-main); }
button.btn-secondary:hover { background: var(--border-light); }
button.btn-ghost { background: transparent; border-color: var(--border-color); color: var(--text-muted); }
button.btn-ghost:hover { background: rgba(255,255,255,0.04); color: var(--text-main); }

.quick-query, .lesson-btn {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  padding: 8px 10px;
  border-radius: 4px;
  color: var(--text-main);
  cursor: pointer;
  font-size: 12px;
}
.quick-query:hover, .lesson-btn:hover { background: var(--border-color); }
.lesson-btn.active { background: var(--accent-glow); border-color: var(--accent-dark); color: #fff; }

/* --- Data Grid --- */
.table-wrap { overflow: auto; flex: 1; background: var(--bg-app); }
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th {
  position: sticky;
  top: 0;
  background: var(--bg-panel);
  color: var(--text-muted);
  font-weight: 600;
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
}
td {
  padding: 6px 12px;
  border-bottom: 1px solid var(--border-color);
  border-right: 1px solid rgba(255,255,255,0.01);
  color: var(--text-main);
}
tbody tr:hover td { background: rgba(255,255,255,0.02); }

/* --- Feedback --- */
.feedback { padding: 10px 14px; font-size: 12px; border-left: 3px solid transparent; background: var(--bg-panel); border-radius: 0 4px 4px 0; }
.feedback.ok { border-left-color: var(--success); color: var(--success); }
.feedback.error { border-left-color: var(--error); color: var(--error); }

.callout {
  margin: 10px 0;
  padding: 12px;
  background: rgba(153, 27, 27, 0.15);
  border-left: 3px solid var(--accent-main);
  border-radius: 4px;
  font-size: 13px;
}
.callout strong { color: #fff; display: block; margin-bottom: 4px; }
.preparation-btn strong { display: block; font-weight: 700; }
.preparation-btn .prep-meta {
  display: block;
  margin-top: 4px;
  color: var(--text-muted);
  font-size: 11px;
  line-height: 1.35;
}
.preparation-btn:hover .prep-meta { color: var(--text-main); }