/* =====================================================
   Plataforma de Prompts IA — Premium Dark SaaS
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-base:       #08090d;
  --bg-surface:    #0f1117;
  --bg-card:       #141720;
  --bg-card-hover: #181c28;
  --border:        rgba(255,255,255,0.07);
  --border-hover:  rgba(99,102,241,0.4);

  --accent:        #6366f1;
  --accent-2:      #8b5cf6;
  --accent-glow:   rgba(99,102,241,0.25);
  --cyan:          #22d3ee;
  --cyan-glow:     rgba(34,211,238,0.2);

  --text-primary:  #f1f5f9;
  --text-secondary:#94a3b8;
  --text-muted:    #475569;

  --success:       #10b981;
  --warning:       #f59e0b;
  --danger:        #ef4444;
  --info:          #3b82f6;

  --radius:        12px;
  --radius-lg:     18px;
  --radius-xl:     24px;
  --shadow:        0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg:     0 8px 48px rgba(0,0,0,0.6);
  --transition:    all 0.25s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Sora', sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 999px; }

/* ── Typography ── */
h1,h2,h3,h4,h5 { font-weight: 700; line-height: 1.2; }
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--cyan); }

/* =====================================================
   AUTH PAGES (login / register)
   ===================================================== */
.auth-bg {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-base);
  position: relative;
  overflow: hidden;
  padding: 20px;
}

.auth-bg::before {
  content: '';
  position: fixed;
  top: -40%;
  left: -20%;
  width: 70%;
  height: 70%;
  background: radial-gradient(ellipse, rgba(99,102,241,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.auth-bg::after {
  content: '';
  position: fixed;
  bottom: -30%;
  right: -10%;
  width: 50%;
  height: 50%;
  background: radial-gradient(ellipse, rgba(139,92,246,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
  animation: fadeInUp 0.5s ease both;
}

/* ── Auth Logo 3D ── */
.auth-logo {
  text-align: center;
  margin-bottom: 32px;
}

.logo-wrapper {
  width: 90px;
  height: 90px;
  margin: 0 auto 15px;
  border-radius: 24px;
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 
    0 10px 25px -5px rgba(0,0,0,0.6), 
    0 0 20px rgba(6, 182, 212, 0.25), 
    inset 0 2px 4px rgba(255,255,255,0.08);
  border: 1px solid rgba(56, 189, 248, 0.15);
  position: relative;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { 
    transform: translateY(-8px); 
    box-shadow: 0 15px 30px -5px rgba(0,0,0,0.7), 0 0 25px rgba(6, 182, 212, 0.35), inset 0 2px 4px rgba(255,255,255,0.08); 
  }
  100% { transform: translateY(0px); }
}

.logo-wrapper img {
  width: 60px;
  height: 60px;
  object-fit: contain;
  filter: drop-shadow(0 4px 6px rgba(0,0,0,0.4));
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.logo-wrapper:hover img {
  transform: scale(1.15) rotate(5deg);
}

.auth-logo h1 {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 1px;
  background: linear-gradient(90deg, #ffffff, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 4px 10px rgba(56,189,248,0.15);
}
.auth-logo p {
  color: var(--text-secondary);
  font-size: 13px;
  margin-top: 4px;
}

.auth-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
}
.auth-subtitle {
  color: var(--text-secondary);
  font-size: 13px;
  margin-bottom: 28px;
}

/* ── Forms ── */
.form-group { margin-bottom: 18px; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.form-control {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: 'Sora', sans-serif;
  font-size: 14px;
  transition: var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-control::placeholder { color: var(--text-muted); }

textarea.form-control {
  resize: vertical;
  min-height: 120px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.6;
}

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: 'Sora', sans-serif;
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  text-decoration: none;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(255,255,255,0.08), transparent);
  opacity: 0;
  transition: opacity 0.2s;
}
.btn:hover::after { opacity: 1; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(99,102,241,0.4);
  color: #fff;
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { filter: brightness(1.1); color: #fff; }
.btn-danger  { background: var(--danger);  color: #fff; }
.btn-danger:hover  { filter: brightness(1.1); color: #fff; }
.btn-warning { background: var(--warning); color: #000; }
.btn-warning:hover { filter: brightness(1.1); }
.btn-info    { background: var(--info); color: #fff; }

.btn-sm { padding: 7px 14px; font-size: 12px; border-radius: 8px; }
.btn-lg { padding: 15px 32px; font-size: 16px; }
.btn-full { width: 100%; }

.btn-copy {
  background: linear-gradient(135deg, var(--cyan), #06b6d4);
  color: #000;
  font-weight: 700;
  box-shadow: 0 4px 16px var(--cyan-glow);
}
.btn-copy:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(34,211,238,0.35);
  color: #000;
}
.btn-copy.copied {
  background: linear-gradient(135deg, var(--success), #059669);
  color: #fff;
}

/* ── Alerts ── */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.alert-error   { background: rgba(239,68,68,0.1);  border: 1px solid rgba(239,68,68,0.25); color: #fca5a5; }
.alert-success { background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.25); color: #6ee7b7; }
.alert-warning { background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.25); color: #fcd34d; }
.alert-info    { background: rgba(59,130,246,0.1);  border: 1px solid rgba(59,130,246,0.25); color: #93c5fd; }

/* =====================================================
   LAYOUT / SIDEBAR
   ===================================================== */
.layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 260px;
  min-height: 100vh;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
}

/* ── Sidebar Logo 3D ── */
.sidebar-logo-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 10px 0;
}

.logo-wrapper-sidebar {
  width: 65px;
  height: 65px;
  margin: 0 auto 12px;
  border-radius: 18px;
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 
    0 8px 20px -5px rgba(0,0,0,0.6), 
    0 0 15px rgba(6, 182, 212, 0.25), 
    inset 0 2px 4px rgba(255,255,255,0.08);
  border: 1px solid rgba(56, 189, 248, 0.15);
  position: relative;
  animation: float-sidebar 6s ease-in-out infinite;
}

@keyframes float-sidebar {
  0% { transform: translateY(0px); }
  50% { 
    transform: translateY(-6px); 
    box-shadow: 0 12px 25px -5px rgba(0,0,0,0.7), 0 0 20px rgba(6, 182, 212, 0.35), inset 0 2px 4px rgba(255,255,255,0.08); 
  }
  100% { transform: translateY(0px); }
}

.logo-wrapper-sidebar img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  filter: drop-shadow(0 4px 6px rgba(0,0,0,0.4));
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.logo-wrapper-sidebar:hover img {
  transform: scale(1.15) rotate(5deg);
}

.logo-text-sidebar h1 {
  background: linear-gradient(90deg, #ffffff, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 1px;
  margin: 0 0 4px;
  text-shadow: 0 4px 10px rgba(56,189,248,0.15);
}

.logo-text-sidebar span {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
}
.nav-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 12px 8px 6px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition);
  margin-bottom: 2px;
  text-decoration: none;
}
.nav-item:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}
.nav-item.active {
  background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(139,92,246,0.1));
  color: var(--accent);
  border: 1px solid rgba(99,102,241,0.2);
}
.nav-item .nav-icon { font-size: 16px; flex-shrink: 0; }

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--border);
}
.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg-card);
  border-radius: var(--radius);
  margin-bottom: 8px;
}
.user-avatar {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}
.user-name  { font-size: 13px; font-weight: 600; }
.user-email { font-size: 11px; color: var(--text-muted); }

/* ── Main Content ── */
.main-content {
  flex: 1;
  margin-left: 260px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-left { display: flex; align-items: center; gap: 16px; }
.topbar-title { font-size: 18px; font-weight: 700; }
.topbar-subtitle { font-size: 12px; color: var(--text-muted); }
.topbar-right { display: flex; align-items: center; gap: 12px; }

.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
}

.page-body { padding: 28px 24px; flex: 1; }

/* =====================================================
   CARDS
   ===================================================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.card:hover { border-color: var(--border-hover); }

.card-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.card-title { font-size: 16px; font-weight: 700; }
.card-body   { padding: 24px; }

/* ── Stats Cards ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
  animation: fadeInUp 0.4s ease both;
}
.stat-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.stat-icon.purple { background: rgba(99,102,241,0.15); }
.stat-icon.cyan   { background: rgba(34,211,238,0.15); }
.stat-icon.green  { background: rgba(16,185,129,0.15); }
.stat-icon.orange { background: rgba(245,158,11,0.15); }
.stat-value { font-size: 28px; font-weight: 800; line-height: 1; }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ── Prompt Cards (User Dashboard) ── */
.prompts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
}

.prompt-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  animation: fadeInUp 0.4s ease both;
  display: flex;
  flex-direction: column;
}
.prompt-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(99,102,241,0.15);
}

.prompt-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: linear-gradient(135deg, var(--bg-surface), var(--bg-card-hover));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  flex-shrink: 0;
}
.prompt-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.prompt-card-body {
  padding: 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.prompt-card-title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
}
.prompt-card-category {
  font-size: 11px;
  color: var(--accent);
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  padding: 3px 10px;
  border-radius: 999px;
  display: inline-block;
}
.prompt-card-preview {
  font-size: 12px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-height: 1.6;
}
.prompt-card-footer {
  margin-top: auto;
}

/* =====================================================
   TABLE
   ===================================================== */
.table-wrapper { overflow-x: auto; }
.data-table {
  width: 100%;
  border-collapse: collapse;
}
.data-table th {
  background: var(--bg-surface);
  padding: 12px 16px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  text-align: left;
  white-space: nowrap;
}
.data-table td {
  padding: 14px 16px;
  font-size: 13px;
  border-top: 1px solid var(--border);
  vertical-align: middle;
}
.data-table tr:hover td { background: var(--bg-card-hover); }

/* ── Badges ── */
.badge {
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  display: inline-block;
}
.badge-success { background: rgba(16,185,129,0.15); color: var(--success); border: 1px solid rgba(16,185,129,0.25); }
.badge-warning { background: rgba(245,158,11,0.15);  color: var(--warning); border: 1px solid rgba(245,158,11,0.25); }
.badge-danger  { background: rgba(239,68,68,0.15);   color: var(--danger);  border: 1px solid rgba(239,68,68,0.25); }
.badge-info    { background: rgba(59,130,246,0.15);   color: var(--info);    border: 1px solid rgba(59,130,246,0.25); }

/* =====================================================
   MODAL
   ===================================================== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
}
.modal-overlay.show { display: flex; }

.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  animation: fadeInUp 0.3s ease;
}
.modal-header {
  padding: 22px 28px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-title { font-size: 18px; font-weight: 700; }
.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
  border-radius: 8px;
  transition: var(--transition);
}
.modal-close:hover { color: var(--text-primary); background: var(--bg-card); }
.modal-body   { padding: 28px; }
.modal-footer { padding: 20px 28px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }

/* ── Prompt View Modal ── */
.prompt-text-box {
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 300px;
  overflow-y: auto;
}

/* =====================================================
   MISC
   ===================================================== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

.section-title {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 6px;
}
.section-title span {
  background: linear-gradient(135deg, var(--accent), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-subtitle {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 28px;
}

.divider { height: 1px; background: var(--border); margin: 24px 0; }

.text-muted   { color: var(--text-muted); }
.text-accent  { color: var(--accent); }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.text-sm      { font-size: 12px; }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 48px; margin-bottom: 16px; }
.empty-state h3 { font-size: 18px; margin-bottom: 8px; color: var(--text-secondary); }

/* Upload preview */
.img-preview {
  width: 100%;
  max-height: 200px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-top: 10px;
  display: none;
}

/* Toast notification */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 20px;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 9999;
  transform: translateY(80px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  box-shadow: var(--shadow-lg);
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.toast-success { border-color: var(--success); color: var(--success); }
.toast.toast-error   { border-color: var(--danger);  color: var(--danger); }

/* Loading spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

/* Plan expiry banner */
.plan-banner {
  background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(139,92,246,0.1));
  border: 1px solid rgba(99,102,241,0.3);
  border-radius: var(--radius);
  padding: 14px 20px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.plan-banner .plan-info { display: flex; align-items: center; gap: 10px; }
.plan-badge-pill {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
}

/* File input */
.file-input-wrapper {
  position: relative;
  display: block;
}
.file-input-wrapper input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.file-input-label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
}
.file-input-wrapper:hover .file-input-label {
  border-color: var(--accent);
  color: var(--text-primary);
}

/* Pending notice page */
.pending-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-base);
  padding: 20px;
}

/* =====================================================
   ANIMATIONS
   ===================================================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes pulse-glow {
  0%,100% { box-shadow: 0 0 20px var(--accent-glow); }
  50%      { box-shadow: 0 0 40px rgba(99,102,241,0.4); }
}

/* =====================================================
   RESPONSIVE E MENU MOBILE
   ===================================================== */
.sidebar-overlay {
  opacity: 0;
  visibility: hidden;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(2px);
  z-index: 99; /* Fica abaixo da sidebar que tem z-index 100 */
  transition: all 0.3s ease-in-out;
}
.sidebar-overlay.show {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-content {
    margin-left: 0;
  }
  .hamburger { display: flex; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .auth-card { padding: 28px 20px; }
  .page-body { padding: 16px; }
  .stats-grid { grid-template-columns: 1fr; }
  .prompts-grid { grid-template-columns: 1fr; }
  .topbar { padding: 0 16px; }
  .modal-body, .modal-header, .modal-footer { padding: 18px; }
  .data-table th, .data-table td { padding: 10px 12px; }
}