:root {
  --bg-body: #f5f7fb;
  --bg-gradient-1: rgba(37, 99, 235, 0.10);
  --bg-gradient-2: rgba(139, 92, 246, 0.08);
  --bg-gradient-3: rgba(16, 185, 129, 0.06);

  --text-main: #1f2937;
  --text-muted: #6b7280;

  --sidebar-bg: #0f172a;
  --sidebar-text: #e5e7eb;
  --sidebar-subtitle: #94a3b8;
  --sidebar-hover: rgba(255, 255, 255, 0.08);

  --header-bg: rgba(255, 255, 255, 0.72);
  --header-border: rgba(229, 231, 235, 0.9);

  --card-bg: rgba(255, 255, 255, 0.82);
  --card-border: rgba(229, 231, 235, 0.9);
  --card-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --card-shadow-hover: 0 18px 40px rgba(15, 23, 42, 0.12);
  --card-glow: 0 0 0 rgba(37, 99, 235, 0);

  --app-icon-bg: linear-gradient(135deg, #dbeafe 0%, #e0e7ff 100%);
  --app-icon-color: #2563eb;
  --app-icon-shadow: 0 10px 24px rgba(37, 99, 235, 0.18);

  --user-pill-bg: #e0edff;
  --user-pill-color: #1d4ed8;
  --btn-outline-bg: transparent;

  --table-border: rgba(229, 231, 235, 0.9);
}

body.dark-mode {
  --bg-body: #07111f;
  --bg-gradient-1: rgba(59, 130, 246, 0.18);
  --bg-gradient-2: rgba(168, 85, 247, 0.16);
  --bg-gradient-3: rgba(16, 185, 129, 0.10);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;

  --sidebar-bg: rgba(2, 6, 23, 0.96);
  --sidebar-text: #f1f5f9;
  --sidebar-subtitle: #94a3b8;
  --sidebar-hover: rgba(255, 255, 255, 0.12);

  --header-bg: rgba(15, 23, 42, 0.72);
  --header-border: rgba(30, 41, 59, 0.95);

  --card-bg: rgba(15, 23, 42, 0.74);
  --card-border: rgba(51, 65, 85, 0.75);
  --card-shadow: 0 14px 34px rgba(0, 0, 0, 0.35);
  --card-shadow-hover: 0 22px 54px rgba(0, 0, 0, 0.45);
  --card-glow: 0 0 24px rgba(59, 130, 246, 0.10);

  --app-icon-bg: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  --app-icon-color: #ffffff;
  --app-icon-shadow: 0 12px 28px rgba(59, 130, 246, 0.35);

  --user-pill-bg: rgba(30, 41, 59, 0.92);
  --user-pill-color: #e2e8f0;
  --btn-outline-bg: rgba(15, 23, 42, 0.75);

  --table-border: rgba(51, 65, 85, 0.75);
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(circle at top left, var(--bg-gradient-1), transparent 30%),
    radial-gradient(circle at top right, var(--bg-gradient-2), transparent 28%),
    radial-gradient(circle at bottom center, var(--bg-gradient-3), transparent 26%),
    var(--bg-body);
  background-attachment: fixed;
  transition: background 0.35s ease, color 0.25s ease;
}

.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar-panel {
  width: 260px;
  background: var(--sidebar-bg);
  color: #fff;
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: width 0.3s ease, background 0.25s ease;
  overflow: hidden;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-panel.collapsed {
  width: 90px;
}

.brand-box {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  box-shadow: 0 12px 24px rgba(37, 99, 235, 0.28);
}

.brand-title {
  font-size: 1.1rem;
  font-weight: 700;
  white-space: nowrap;
}

.brand-subtitle {
  color: var(--sidebar-subtitle);
  font-size: 0.9rem;
  white-space: nowrap;
}

.sidebar-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--sidebar-text);
  padding: 12px 14px;
  border-radius: 12px;
  transition: 0.22s ease;
  white-space: nowrap;
}

.sidebar-link:hover,
.sidebar-link.active {
  background: var(--sidebar-hover);
  color: #fff;
}

.sidebar-panel.collapsed .brand-text,
.sidebar-panel.collapsed .sidebar-link span {
  display: none;
}

.sidebar-panel.collapsed .sidebar-link {
  justify-content: center;
}

.sidebar-panel.collapsed .sidebar-link i {
  margin-right: 0 !important;
}

.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.top-header {
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  padding: 18px 24px;
  transition: background 0.25s ease, border-color 0.25s ease;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.top-header h2,
.top-header .h5,
.top-header .fw-bold {
  color: var(--text-main);
}

.user-pill {
  background: var(--user-pill-bg);
  color: var(--user-pill-color);
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 700;
  transition: background 0.25s ease, color 0.25s ease;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.main-content {
  padding: 24px;
}

.main-content h1,
.main-content h2,
.main-content h3,
.main-content h4,
.main-content h5,
.main-content h6,
.main-content p,
.main-content span,
.main-content div,
.main-content td,
.main-content th,
.main-content label {
  color: var(--text-main);
}

.main-content .text-secondary,
.main-content .text-muted,
.main-content .small.text-muted {
  color: var(--text-muted) !important;
}

.card {
  background: var(--card-bg) !important;
  border: 1px solid var(--card-border) !important;
  box-shadow: var(--card-shadow), var(--card-glow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition:
    background 0.25s ease,
    border-color 0.25s ease,
    transform 0.2s ease,
    box-shadow 0.25s ease;
}

.app-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover), 0 0 30px rgba(59, 130, 246, 0.10);
}

body.dark-mode .app-card:hover {
  box-shadow: var(--card-shadow-hover), 0 0 34px rgba(96, 165, 250, 0.16);
}

.app-icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: var(--app-icon-bg);
  color: var(--app-icon-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--app-icon-shadow);
  transition:
    background 0.25s ease,
    color 0.25s ease,
    box-shadow 0.25s ease,
    transform 0.2s ease;
}

.app-card:hover .app-icon {
  transform: scale(1.05);
}

.table {
  color: var(--text-main);
}

.table thead th,
.table tbody td {
  color: var(--text-main);
  border-color: var(--table-border);
  background: transparent !important;
}

.form-control,
.form-control:focus {
  background: var(--card-bg);
  color: var(--text-main);
  border-color: var(--card-border);
  box-shadow: none;
}

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

.btn-outline-secondary {
  background: var(--btn-outline-bg);
}

body.dark-mode .btn-outline-secondary {
  color: #e2e8f0;
  border-color: #334155;
}

body.dark-mode .btn-outline-secondary:hover {
  background: #1f2937;
  color: #fff;
  border-color: #475569;
}

body.dark-mode .btn-dark {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  color: #0f172a;
  border-color: #e2e8f0;
}

body.dark-mode .btn-dark:hover {
  background: #ffffff;
  color: #000000;
}

body.dark-mode .btn-outline-danger {
  color: #fca5a5;
  border-color: #7f1d1d;
}

body.dark-mode .btn-outline-danger:hover {
  background: #7f1d1d;
  color: #fff;
}

body.dark-mode .btn-primary {
  box-shadow: 0 10px 24px rgba(59, 130, 246, 0.32);
}

body.dark-mode .card .display-6 {
  text-shadow: 0 0 16px rgba(96, 165, 250, 0.12);
}

@media (max-width: 768px) {
  .app-layout {
    flex-direction: column;
  }

  .sidebar-panel,
  .sidebar-panel.collapsed {
    width: 100%;
  }

  .sidebar-panel.collapsed .brand-text,
  .sidebar-panel.collapsed .sidebar-link span {
    display: inline;
  }

  .sidebar-panel.collapsed .sidebar-link {
    justify-content: flex-start;
  }

  .top-header {
    padding: 16px;
  }

  .main-content {
    padding: 16px;
  }
}

.sidebar-nav .sidebar-link {
  position: relative;
  font-weight: 500;
}

.sidebar-nav .sidebar-link.active {
  background: rgba(37, 99, 235, 0.15);
  color: #fff;
}

.sidebar-nav .sidebar-link.active::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 8px;
  bottom: 8px;
  width: 4px;
  border-radius: 4px;
  background: #3b82f6;
}

.sidebar-link.sidebar-logout:hover {
  background: rgba(220, 38, 38, 0.18);
  color: #fecaca;
}

.top-header small {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.user-pill i {
  font-size: 1.2rem;
}

#themeToggle {
  transition: all 0.2s ease;
}

#themeToggle:hover {
  transform: translateY(-1px);
}

/* ========================= */
/* CARDS DE FERRAMENTAS */
/* ========================= */
.tool-preview{
  width:100%;
  height:220px;
  overflow:hidden;
  border-radius:16px;
}

.tool-preview iframe{
  width:100%;
  height:100%;
  border:none;
  pointer-events:none;
}

.tool-card {
  cursor: pointer;
}

.tool-card:hover {
  transform: translateY(-6px);
}

/* ========================= */
/* MODAL CELULAR */
/* ========================= */

.phone-frame {
  width: 260px;
  height: 520px;
  border: 10px solid #111;
  border-radius: 28px;
  overflow: hidden;
  background: #000;
}

.phone-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

body.dark-mode .phone-frame {
  border-color: #e5e7eb;
}

.tool-image {
  width: 100%;
  height: 220px;
  overflow: hidden;
  border-radius: 16px;
}

.tool-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.tool-image img{
  transition: transform .3s ease;
}

.tool-card:hover .tool-image img{
  transform: scale(1.05);
}


.tool-card {
  cursor: pointer;
  overflow: hidden;
}

.tool-preview {
  width: 100%;
  height: 198px;
  overflow: hidden;
  border-radius: 16px;
  background: #fff;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  position: relative;
}

.tool-preview iframe {
  width: 390px;
  height: 844px;
  border: none;
  transform: scale(0.26);
  transform-origin: top center;
  pointer-events: none;
  display: block;
  background: #fff;
}

.tool-preview-modal-wrapper {
  width: 320px;
  height: 640px;
  margin: 0 auto;
  border-radius: 32px;
  padding: 10px;
  background: #111827;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.tool-preview-modal {
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 24px;
  background: #fff;
}

.tool-preview-modal iframe {
  width: 100%;
  height: 100%;
  border: none;
  transform: none;
  pointer-events: auto;
  background: #fff;
}

body.dark-mode .tool-preview,
body.dark-mode .tool-preview-modal {
  background: #fff;
}

@media (max-width: 576px) {
  .tool-preview-modal-wrapper {
    width: 280px;
    height: 560px;
  }
}

/* =========================
   Login
========================= */

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(circle at top left, var(--bg-gradient-1), transparent 30%),
    radial-gradient(circle at top right, var(--bg-gradient-2), transparent 28%),
    radial-gradient(circle at bottom center, var(--bg-gradient-3), transparent 26%),
    var(--bg-body);
}

.login-card {
  width: 100%;
  max-width: 440px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 28px;
  padding: 40px 32px;
  box-shadow: var(--card-shadow), var(--card-glow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.login-logo {
  width: 68px;
  height: 68px;
  border-radius: 20px;
  margin: 0 auto 22px;
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  box-shadow: 0 16px 32px rgba(37, 99, 235, 0.25);
}

.login-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.login-subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 0;
}

.login-input {
  height: 50px;
  border-radius: 14px;
}

.login-btn {
  height: 52px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
}

.login-link {
  color: var(--app-icon-color);
  text-decoration: none;
  font-weight: 600;
}

.login-link:hover {
  text-decoration: underline;
}

@media (max-width: 576px) {
  .login-card {
    padding: 30px 20px;
    border-radius: 22px;
  }

  .login-title {
    font-size: 1.7rem;
  }
}