:root {
  --primary: #00796b;
  --primary-light: #e0f2f1;
  --primary-lighter: #f5fafa;
  --primary-dark: #004d40;
  --accent: #85a01e;
  --accent-hover: #6d8417;
  --bg: #f0f4f4;
  --card-bg: #ffffff;
  --text-main: #2c3e50;
  --text-muted: #7f8c8d;
  --text-light: #a0a0a0;
  --border: #dcdde1;
  --border-light: #eef0f0;
  --danger: #e74c3c;
  --radius: 12px;
  --radius-sm: 6px;
  --shadow: 0 4px 24px rgba(0, 121, 107, 0.08);
  --shadow-hover: 0 8px 32px rgba(0, 121, 107, 0.12);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: var(--bg);
  color: var(--text-main);
  padding: 30px 15px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 920px;
  background: var(--card-bg);
  padding: 40px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-top: 6px solid var(--primary);
  position: relative;
  animation: fadeInDown 0.5s ease;
}

header {
  text-align: center;
  margin-bottom: 35px;
  padding-bottom: 25px;
  border-bottom: 2px dashed var(--border-light);
  animation: fadeInDown 0.5s ease 0.1s both;
}

header .logo-icon {
  font-size: 2.5rem;
  margin-bottom: 8px;
  display: block;
}

h1 {
  color: var(--primary-dark);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

header p {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

.speech-badge {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  background: #f1f2f6;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.speech-badge.available {
  background: #e8f5e9;
  color: #2e7d32;
  border-color: #a5d6a7;
}

.speech-badge.unavailable {
  background: #fce4ec;
  color: #c62828;
  border-color: #ef9a9a;
}

fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  background-color: var(--primary-lighter);
  transition: var(--transition);
  animation: fadeInUp 0.4s ease both;
}

fieldset:nth-of-type(1) { animation-delay: 0.2s; }
fieldset:nth-of-type(2) { animation-delay: 0.28s; }
fieldset:nth-of-type(3) { animation-delay: 0.36s; }
fieldset:nth-of-type(4) { animation-delay: 0.44s; }
fieldset:nth-of-type(5) { animation-delay: 0.52s; }

.grid-2:last-of-type {
  animation: fadeInUp 0.4s ease 0.6s both;
}

fieldset:hover {
  border-color: #b2dfdb;
  background-color: var(--card-bg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

legend {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0 12px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
}

.legend-subtitle {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  text-transform: none;
  color: var(--text-muted);
  letter-spacing: 0;
  margin-top: 2px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 16px;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-group.optional label::after {
  content: " (opcional)";
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--text-light);
}

label {
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-main);
}

label .hint {
  font-weight: 400;
  font-size: 0.78rem;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

input[type="text"],
input[type="date"],
input[type="url"],
textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text-main);
  background-color: #fff;
  transition: var(--transition);
}

input:focus,
textarea:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 121, 107, 0.12);
  background-color: #fff;
}

textarea {
  resize: vertical;
  min-height: 80px;
  line-height: 1.5;
}

textarea.tall {
  min-height: 120px;
}

.input-mic-wrapper {
  display: flex;
  position: relative;
  align-items: stretch;
  width: 100%;
}

.input-mic-wrapper textarea,
.input-mic-wrapper input[type="text"] {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.btn-mic {
  background-color: #f1f2f6;
  border: 1px solid var(--border);
  border-left: none;
  color: var(--primary);
  border-top-right-radius: var(--radius-sm);
  border-bottom-right-radius: var(--radius-sm);
  padding: 0 16px;
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  min-width: 48px;
}

.btn-mic:hover {
  background-color: var(--primary-light);
  color: var(--primary);
}

.btn-mic.recording {
  background-color: #ffebee;
  border-color: #ef5350;
  color: #d32f2f;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(0.95); opacity: 0.7; }
  100% { transform: scale(1); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.97); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ========== BUTTONS (padronizados) ========== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  width: 100%;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: none;
  line-height: 1.2;
  min-height: 48px;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background-color: var(--primary);
  color: white;
  box-shadow: 0 4px 12px rgba(0, 121, 107, 0.2);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 121, 107, 0.3);
}

.btn-primary:active {
  transform: translateY(0) scale(0.97);
}

.btn-accent {
  background-color: var(--accent);
  color: white;
  box-shadow: 0 4px 12px rgba(133, 160, 30, 0.2);
}

.btn-accent:hover {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(133, 160, 30, 0.25);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background-color: var(--primary-light);
}

.btn-success {
  background-color: #27ae60;
  color: white;
  box-shadow: 0 4px 12px rgba(39, 174, 96, 0.2);
}

.btn-success:hover {
  background-color: #219a52;
  transform: translateY(-1px);
}

/* ========== OUTPUT ========== */

.output-section {
  margin-top: 40px;
  display: none;
  border-top: 2px dashed var(--border);
  padding-top: 30px;
  animation: scaleIn 0.35s ease;
}

.output-section h2 {
  color: var(--primary-dark);
  font-size: 1.2rem;
  margin-bottom: 6px;
  font-weight: 700;
  animation: fadeInUp 0.3s ease 0.1s both;
}

.output-section .subtitle {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 15px;
  animation: fadeInUp 0.3s ease 0.15s both;
}

#promptResult {
  width: 100%;
  min-height: 400px;
  background-color: #fafafa;
  border: 1px solid var(--border);
  padding: 20px;
  border-radius: var(--radius-sm);
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  font-size: 0.9rem;
  color: #34495e;
  margin-bottom: 16px;
  line-height: 1.6;
  box-sizing: border-box;
  resize: vertical;
  animation: fadeInUp 0.3s ease 0.2s both;
}

.output-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  animation: fadeInUp 0.3s ease 0.25s both;
}

.feedback-toast {
  display: none;
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-dark);
  color: white;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  z-index: 1000;
  animation: slideUp 0.4s ease;
  animation-fill-mode: both;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* ========== AI SHORTCUTS ========== */

.ai-shortcuts {
  margin-top: 1.25rem;
  animation: fadeInUp 0.3s ease 0.3s both;
}

.ai-shortcuts-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.ai-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.btn-ai {
  padding: 0.4rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: 20px;
  border: 1.5px solid;
  cursor: pointer;
  transition: var(--transition);
  background: var(--card-bg);
  letter-spacing: 0.3px;
  line-height: 1.3;
}

.btn-ai:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}

.btn-ai:active {
  transform: scale(0.96);
}

.btn-ai-chatgpt   { color: #10a37f; border-color: #10a37f; }
.btn-ai-chatgpt:hover { background: #10a37f; color: #fff; }

.btn-ai-gemini    { color: #4285f4; border-color: #4285f4; }
.btn-ai-gemini:hover { background: #4285f4; color: #fff; }

.btn-ai-claude    { color: #d97706; border-color: #d97706; }
.btn-ai-claude:hover { background: #d97706; color: #fff; }

.btn-ai-deepseek  { color: #4f46e5; border-color: #4f46e5; }
.btn-ai-deepseek:hover { background: #4f46e5; color: #fff; }

.btn-ai-perplexity { color: #6366f1; border-color: #6366f1; }
.btn-ai-perplexity:hover { background: #6366f1; color: #fff; }

.btn-ai-grok      { color: #1a1a2e; border-color: #1a1a2e; }
.btn-ai-grok:hover { background: #1a1a2e; color: #fff; }

[data-theme="dark"] .btn-ai-grok { color: #e0e0e0; border-color: #888; }
[data-theme="dark"] .btn-ai-grok:hover { background: #444; color: #fff; border-color: #444; }

@media (max-width: 480px) {
  .ai-buttons {
    gap: 0.35rem;
  }
  .btn-ai {
    padding: 0.3rem 0.6rem;
    font-size: 0.72rem;
  }
}

.form-section-divider {
  border: none;
  border-top: 1px dashed var(--border);
  margin: 20px 0;
}

.required-mark {
  color: var(--danger);
  font-weight: 700;
}

/* ========== RESPONSIVE ========== */

/* Tablet pequeno / celular grande */
@media (max-width: 820px) {
  body {
    padding: 12px;
  }
  .container {
    padding: 24px;
  }
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  fieldset {
    padding: 18px;
  }
  h1 {
    font-size: 1.6rem;
  }
  .output-actions {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .feedback-toast {
    width: 90%;
    text-align: center;
  }
}

/* Celular */
@media (max-width: 480px) {
  body {
    padding: 6px;
  }
  .container {
    padding: 14px;
    border-top-width: 4px;
    border-radius: 8px;
  }
  fieldset {
    padding: 14px;
    margin-bottom: 14px;
    border-radius: 8px;
  }
  legend {
    font-size: 0.85rem;
    padding: 4px 10px;
  }
  h1 {
    font-size: 1.25rem;
    letter-spacing: 0;
  }
  header p {
    font-size: 0.85rem;
  }
  header {
    margin-bottom: 20px;
    padding-bottom: 16px;
  }
  header .logo-icon {
    font-size: 2rem;
  }
  input[type="text"],
  input[type="date"],
  input[type="url"],
  textarea {
    padding: 10px 12px;
    font-size: 0.9rem;
  }
  .btn {
    padding: 12px 16px;
    font-size: 0.85rem;
    min-height: 44px;
  }
  .btn-mic {
    min-width: 44px;
    padding: 0 12px;
  }
  .grid-2 {
    gap: 8px;
  }
  .output-actions {
    gap: 8px;
  }
  #promptResult {
    min-height: 280px;
    font-size: 0.82rem;
    padding: 14px;
  }
  .output-section {
    margin-top: 24px;
    padding-top: 20px;
  }
  .feedback-toast {
    padding: 12px 20px;
    font-size: 0.85rem;
    bottom: 20px;
  }
}

/* Telas muito grandes */
@media (min-width: 1200px) {
  .container {
    max-width: 1000px;
    padding: 50px;
  }
}

@media print {
  body {
    padding: 0;
    background: white;
  }
  .container {
    box-shadow: none;
    border-top: none;
    padding: 0;
  }
  .btn-primary,
  .output-actions,
  .btn-mic,
  .session-bar {
    display: none !important;
  }
  .output-section {
    display: block !important;
    border-top: none;
    margin-top: 20px;
    padding-top: 0;
  }
  fieldset {
    break-inside: avoid;
    border-color: #ccc;
  }
}

/* =====================================================================
   DARK THEME
   ===================================================================== */

[data-theme="dark"] {
  --bg: #1a1a2e;
  --card-bg: #16213e;
  --text-main: #e0e0e0;
  --text-muted: #a0a0a0;
  --text-light: #888;
  --border: #2a2a4a;
  --border-light: #2a2a4a;
  --primary: #6c63ff;
  --primary-light: #2a2a4a;
  --primary-lighter: #1a1a2e;
  --primary-dark: #5a52d5;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="date"],
[data-theme="dark"] input[type="url"],
[data-theme="dark"] textarea {
  background-color: #0f3460;
  color: #e0e0e0;
  border-color: #3a3a5a;
}

[data-theme="dark"] input:focus,
[data-theme="dark"] textarea:focus {
  border-color: #6c63ff;
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.15);
}

[data-theme="dark"] fieldset {
  background: #1a1a2e;
}

[data-theme="dark"] fieldset:hover {
  background: #1a1a2e;
}

[data-theme="dark"] legend {
  background: #16213e;
}

[data-theme="dark"] .speech-badge {
  background: #2a2a4a;
  border-color: #3a3a5a;
  color: #a0a0a0;
}

[data-theme="dark"] .speech-badge.available {
  background: #1b3a2b;
  color: #6fcf97;
  border-color: #2d6a4f;
}

[data-theme="dark"] .speech-badge.unavailable {
  background: #3a1a1a;
  color: #ef9a9a;
  border-color: #5a2a2a;
}

[data-theme="dark"] #promptResult {
  background-color: #0d1b2a;
  color: #c0c0c0;
  border-color: #2a2a4a;
}

[data-theme="dark"] .btn-outline {
  border-color: #6c63ff;
  color: #6c63ff;
}

[data-theme="dark"] .btn-outline:hover {
  background-color: rgba(108, 99, 255, 0.1);
}

[data-theme="dark"] .btn-mic {
  background-color: #2a2a4a;
  border-color: #3a3a5a;
}

[data-theme="dark"] .session-progress-bar {
  background: #3a3a5a;
}

[data-theme="dark"] .session-progress-fill {
  background: linear-gradient(90deg, #6c63ff, #85a01e);
}

/* =====================================================================
   SESSION BAR
   ===================================================================== */

.session-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 0.5rem;
  animation: fadeInDown 0.4s ease 0.15s both;
}

.session-progress {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0 0.75rem;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-light);
  animation: fadeInUp 0.3s ease 0.2s both;
}

.session-progress-bar {
  flex: 1;
  height: 5px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.session-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 3px;
  transition: width 0.4s ease;
}

.session-progress-text {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  min-width: 2.2rem;
  text-align: right;
}

.session-bar-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.session-bar-right {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.btn-session {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.75rem;
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--text-main);
  transition: border-color 0.2s, background 0.2s;
  font-weight: 600;
}

.btn-session:hover {
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 10%, var(--card-bg));
}

.session-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.btn-subtle {
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.5rem;
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: color 0.2s, border-color 0.2s;
  font-weight: 500;
}

.btn-subtle:hover {
  color: var(--text-main);
  border-color: var(--border);
}

.btn-subtle.btn-new {
  color: var(--primary);
  font-weight: 700;
}

.btn-subtle.btn-new:hover {
  color: var(--primary-dark);
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 8%, var(--card-bg));
}

.input-session-name {
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.5rem;
  font-size: 0.8rem;
  font-family: inherit;
  background: transparent;
  color: var(--text-muted);
  width: 160px;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.input-session-name:focus {
  outline: none;
  border-color: var(--border);
  color: var(--text-main);
  background: var(--card-bg);
}

.input-session-name::placeholder {
  color: var(--text-light);
  font-style: italic;
}

.btn-icon {
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.5rem;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  transition: border-color 0.2s;
}

.btn-icon:hover {
  border-color: var(--border);
}

/* =====================================================================
   CONFIG FIELDSET (checkboxes dentro do form)
   ===================================================================== */

.config-fieldset {
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  background: var(--card-bg);
}

.config-fieldset legend {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--primary);
  padding: 0 0.75rem;
  text-transform: uppercase;
}

.config-group {
  margin-bottom: 1rem;
}

.config-group:last-child {
  margin-bottom: 0;
}

.config-label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.3rem 1rem;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.88rem;
  line-height: 1.4;
  padding: 0.2rem 0;
  user-select: none;
  flex-wrap: wrap;
  transition: opacity 0.2s;
}

.checkbox-label:hover {
  opacity: 0.85;
}

.checkbox-label input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--primary);
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 0.15rem;
  transition: transform 0.15s;
}

.checkbox-label input[type="checkbox"]:checked {
  transform: scale(1.15);
}

.checkbox-hint {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-left: 1.5rem;
  margin-top: 0.05rem;
  width: calc(100% - 1.5rem);
}

.checkbox-label strong {
  color: var(--primary);
}

/* =====================================================================
   MODAIS
   ===================================================================== */

.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}

.modal-overlay.open {
  display: flex;
}

.modal {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 90%;
  max-width: 640px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  animation: modalSlideUp 0.2s ease;
}

.modal-sm {
  max-width: 420px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--text-main);
}

.modal-body {
  padding: 1.25rem;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--border);
  gap: 0.5rem;
}

.btn-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
  line-height: 1;
  padding: 0.25rem;
}

.btn-close:hover {
  color: var(--text-main);
}

/* =====================================================================
   SESSION TABLE
   ===================================================================== */

.session-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.session-table th {
  text-align: left;
  padding: 0.5rem;
  border-bottom: 2px solid var(--border);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.session-table td {
  padding: 0.5rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  animation: fadeIn 0.25s ease both;
}

.session-table tr:nth-child(1) td { animation-delay: 0s; }
.session-table tr:nth-child(2) td { animation-delay: 0.03s; }
.session-table tr:nth-child(3) td { animation-delay: 0.06s; }
.session-table tr:nth-child(4) td { animation-delay: 0.09s; }
.session-table tr:nth-child(5) td { animation-delay: 0.12s; }
.session-table tr:nth-child(6) td { animation-delay: 0.15s; }
.session-table tr:nth-child(7) td { animation-delay: 0.18s; }
.session-table tr:nth-child(8) td { animation-delay: 0.21s; }
.session-table tr:nth-child(9) td { animation-delay: 0.24s; }
.session-table tr:nth-child(10) td { animation-delay: 0.27s; }
.session-table tr:nth-child(n+11) td { animation-delay: 0.3s; }

.session-table tr:hover td {
  background: color-mix(in srgb, var(--primary) 6%, var(--card-bg));
}

.tr-active td {
  background: color-mix(in srgb, var(--primary) 12%, var(--card-bg));
}

.col-check {
  width: 2rem;
}

.col-actions {
  width: 7rem;
  text-align: right;
}

.badge-active {
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 600;
}

.btn-danger {
  background: #dc3545;
  color: white;
  border: 1px solid #dc3545;
}

.btn-danger:hover {
  background: #c82333;
}

.btn-danger:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-sm {
  padding: 0.3rem 0.6rem;
  font-size: 0.8rem;
  min-height: auto;
  text-transform: none;
  width: auto;
}

/* =====================================================================
   THEME TOGGLE
   ===================================================================== */

.theme-toggle {
  display: flex;
  gap: 0.5rem;
}

.btn-theme {
  flex: 1;
  padding: 0.6rem 1rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card-bg);
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--text-main);
  transition: border-color 0.2s, background 0.2s;
  font-weight: 600;
}

.btn-theme.active {
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 15%, var(--card-bg));
}

.btn-theme:hover {
  border-color: var(--primary);
}

/* =====================================================================
   MODAL ANIMATIONS
   ===================================================================== */

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

/* =====================================================================
   RESPONSIVE — Modais e session bar
   ===================================================================== */

@media (max-width: 600px) {
  .modal {
    width: 95%;
    max-height: 90vh;
  }

  .session-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.4rem;
  }

  .session-bar-left,
  .session-bar-right {
    justify-content: center;
  }

  .session-progress {
    flex-wrap: wrap;
  }

  .checkbox-grid {
    grid-template-columns: 1fr;
  }

  .input-session-name {
    width: 100%;
  }

  .session-table {
    font-size: 0.78rem;
  }

  .session-table th,
  .session-table td {
    padding: 0.35rem;
  }

  .col-actions {
    width: 5rem;
  }
}