/* ═══════════════════════════════════════════════════════════════════
   K9 CONTROLE — Tema Preto Academia
   ═══════════════════════════════════════════════════════════════════ */

/* ── RESET & VARIABLES ──────────────────────────────────────────── */
:root {
  --bg: #0a0a0a;
  --bg-card: #111111;
  --bg-input: #1a1a1a;
  --bg-hover: #222222;
  --border: #2a2a2a;
  --text: #f5f5f5;
  --text-secondary: #999;
  --text-muted: #666;
  --accent: #e63946;
  --accent-hover: #c1121f;
  --accent-glow: rgba(230, 57, 70, 0.15);
  --green: #2ecc71;
  --green-bg: rgba(46, 204, 113, 0.1);
  --red: #e63946;
  --red-bg: rgba(230, 57, 70, 0.1);
  --orange: #f39c12;
  --orange-bg: rgba(243, 156, 18, 0.1);
  --radius: 8px;
  --font-display: 'Bebas Neue', sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --transition: 0.2s ease;
}

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

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

a { color: var(--accent); text-decoration: none; }

/* ── LOGIN ──────────────────────────────────────────────────────── */
.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1rem;
  background: radial-gradient(ellipse at center, #111 0%, var(--bg) 70%);
}

.login-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 3rem 2rem;
  text-align: center;
  max-width: 400px;
  width: 100%;
}

.login-logo {
  width: 140px;
  height: auto;
  margin-bottom: 1.5rem;
}

.login-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: 2px;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.login-form input {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  text-align: center;
  outline: none;
  transition: border var(--transition);
}

.login-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.login-form button {
  width: 100%;
  padding: 0.85rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 2px;
  cursor: pointer;
  transition: background var(--transition);
}

.login-form button:hover { background: var(--accent-hover); }

.login-error {
  color: var(--accent);
  font-size: 0.85rem;
  margin-top: 0.5rem;
  min-height: 1.2rem;
}

/* ── APP LAYOUT ─────────────────────────────────────────────────── */
.app-screen {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 240px;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform var(--transition);
}

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

.sidebar-logo-img {
  width: 100px;
  height: auto;
}

.sidebar-nav {
  flex: 1;
  padding: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1rem;
  background: transparent;
  border: none;
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition);
  text-align: left;
}

.nav-btn:hover { background: var(--bg-hover); color: var(--text); }
.nav-btn.active { background: var(--accent); color: #fff; }

.nav-icon { font-size: 0.65rem; }

.sidebar-footer {
  padding: 1rem 0.75rem;
  border-top: 1px solid var(--border);
}

.logout-btn {
  width: 100%;
  padding: 0.6rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition);
}

.logout-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* Mobile header */
.mobile-header {
  display: none;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 90;
}

.menu-toggle {
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 0.25rem;
}

.mobile-logo { width: 36px; height: auto; }

.mobile-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 1px;
  flex: 1;
}

.logout-btn-mobile {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.8rem;
  padding: 0.35rem 0.75rem;
  cursor: pointer;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 99;
}

/* Main */
.main-content {
  flex: 1;
  margin-left: 240px;
  padding: 2rem;
  min-height: 100vh;
}

/* ── TAB CONTENT ────────────────────────────────────────────────── */
.tab-content { display: none; }
.tab-content.active { display: block; }

.section-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 400;
  letter-spacing: 2px;
  margin-bottom: 1.5rem;
}

.tab-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.tab-header .section-title { margin-bottom: 0; }

/* ── CARDS ──────────────────────────────────────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.card-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.card-value {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 1px;
  color: var(--text);
}

.card-value.accent { color: var(--accent); }
.card-value.green { color: var(--green); }
.card-value.orange { color: var(--orange); }

/* ── TABLES ─────────────────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--text);
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: rgba(255,255,255,0.02); }

.empty-row td { text-align: center; color: var(--text-muted); padding: 2rem 1rem; }

.stock-low { color: var(--accent); font-weight: 600; }
.stock-ok { color: var(--green); }

.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-in { background: var(--green-bg); color: var(--green); }
.badge-out { background: var(--red-bg); color: var(--red); }

/* ── BUTTONS ────────────────────────────────────────────────────── */
.btn-primary {
  padding: 0.6rem 1.25rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
}

.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary {
  padding: 0.5rem 1rem;
  background: var(--bg-hover);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-secondary:hover { background: var(--border); }

.btn-sm {
  padding: 0.35rem 0.7rem;
  font-size: 0.8rem;
}

.btn-full { width: 100%; }

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

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

.btn-icon {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  transition: all var(--transition);
}

.btn-icon:hover { color: var(--accent); background: var(--bg-hover); }

/* ── FORMS & INPUTS ─────────────────────────────────────────────── */
input, select, textarea {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.6rem 0.75rem;
  outline: none;
  transition: border var(--transition);
  width: 100%;
}

input:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.input-search { max-width: 300px; }
.input-qty { width: 70px; flex-shrink: 0; }

.filters-bar {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.input-select { max-width: 200px; }

.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-row { display: flex; gap: 1rem; }
.form-row .form-group { flex: 1; }

.form-error { color: var(--accent); font-size: 0.85rem; margin-top: 0.5rem; min-height: 1.2rem; }

/* ── MODALS ─────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 1rem;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-lg { max-width: 700px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.modal-header h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 1px;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.modal-close:hover { color: var(--accent); }

/* ── SALE FORM ──────────────────────────────────────────────────── */
.sale-products-section {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1.25rem;
}

.sale-products-section h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 1px;
  margin-bottom: 0.75rem;
}

.sale-product-picker {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.sale-product-picker select { flex: 1; min-width: 180px; }

.sale-total {
  text-align: right;
  font-size: 1.1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  margin-top: 0.75rem;
}

.sale-total strong {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 1px;
  color: var(--accent);
}

.stock-info {
  background: var(--bg);
  padding: 0.75rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ── DASHBOARD SECTIONS ─────────────────────────────────────────── */
.dash-section {
  margin-bottom: 2rem;
}

.dash-section h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 1px;
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
}

/* ── RESPONSIVE ─────────────────────────────────────────────────── */
@media (max-width: 768px) {
  body.sidebar-open { overflow: hidden; }

  .sidebar {
    transform: translateX(-100%);
    box-shadow: none;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 20px rgba(0,0,0,0.5);
  }
  .sidebar-overlay.active { display: block; }

  .mobile-header { display: flex; }

  .main-content {
    margin-left: 0;
    padding: 1rem;
  }

  .section-title { font-size: 1.4rem; }

  .cards-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
  .card { padding: 1rem; }
  .card-value { font-size: 1.5rem; }

  .tab-header { flex-direction: column; align-items: stretch; }
  .tab-header .btn-primary { text-align: center; }

  .form-row { flex-direction: column; gap: 0; }

  .modal {
    max-width: 100%;
    margin: 0;
    border-radius: 12px 12px 0 0;
    max-height: 92vh;
    align-self: flex-end;
    animation: modalSlideUp 0.2s ease;
  }

  .modal-overlay { align-items: flex-end; padding: 0; }

  .filters-bar { flex-direction: column; }
  .input-search, .input-select { max-width: 100%; }

  .sale-product-picker { flex-direction: column; align-items: stretch; }
  .sale-product-picker select,
  .sale-product-picker .input-qty,
  .sale-product-picker .btn-secondary { width: 100%; }
  .sale-product-picker .input-qty { width: 100% !important; }

  .data-table { font-size: 0.8rem; }
  .data-table th,
  .data-table td { padding: 0.6rem 0.5rem; }

  .btn-icon {
    padding: 0.4rem 0.55rem;
    font-size: 1rem;
  }

  .sale-total strong { font-size: 1.2rem; }

  .photo-preview { width: 100px; height: 100px; }

  .toast {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    max-width: none;
    text-align: center;
  }

  /* Nav buttons: larger touch targets */
  .nav-btn { padding: 0.85rem 1rem; }

  /* Login */
  .login-box { padding: 2rem 1.25rem; }
  .login-logo { width: 110px; }
}

@keyframes modalSlideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

@media (max-width: 480px) {
  .cards-grid { grid-template-columns: 1fr; }

  .main-content { padding: 0.75rem; }

  .section-title { font-size: 1.25rem; }

  .modal { padding: 1rem; }

  .data-table { font-size: 0.75rem; }
  .data-table th,
  .data-table td { padding: 0.5rem 0.35rem; }

  /* Hide less important columns on very small screens */
  .data-table th:nth-child(2),
  .data-table td:nth-child(2) {
    /* Keep visible — it's the name column */
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .sale-products-section { padding: 0.75rem; }

  .highlight-card .highlight-value { font-size: 1.2rem; }

  .login-title { font-size: 1.3rem; }
}

/* ── UTILITY ────────────────────────────────────────────────────── */
.text-right { text-align: right; }
.mt-1 { margin-top: 1rem; }
.mb-1 { margin-bottom: 1rem; }

/* ── PHOTO ─────────────────────────────────────────────────────── */
.photo-upload-area {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.photo-preview {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
}

.photo-thumb {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--bg);
}

.photo-thumb-placeholder {
  width: 40px;
  height: 40px;
  border-radius: 4px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.7rem;
}

input[type="file"] {
  padding: 0.4rem 0;
  border: none;
  background: transparent;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

input[type="file"]::file-selector-button {
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  padding: 0.35rem 0.75rem;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.8rem;
  margin-right: 0.75rem;
}

/* ── FINANCES ──────────────────────────────────────────────────── */
.finances-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.finances-main { min-width: 0; }
.finances-side { display: flex; flex-direction: column; gap: 1.5rem; }

.highlight-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}

.highlight-card h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.highlight-card .highlight-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 1px;
}

.highlight-card .highlight-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.margin-good { color: var(--green); }
.margin-bad { color: var(--accent); }
.margin-neutral { color: var(--orange); }

@media (max-width: 1024px) {
  .finances-layout {
    grid-template-columns: 1fr;
  }
}

/* ── SCROLLBAR ──────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── TOAST ──────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  z-index: 300;
  animation: slideIn 0.3s ease;
  max-width: 400px;
}

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

.toast-error {
  background: var(--accent);
  color: #fff;
}

@keyframes slideIn {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}