@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg-main: #0B0F19;
  --bg-card: rgba(22, 30, 49, 0.6);
  --bg-card-hover: rgba(29, 39, 64, 0.8);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(234, 179, 8, 0.4);
  
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  
  --color-electric: #EAB308;
  --color-electric-hover: #FACC15;
  --color-electric-glow: rgba(234, 179, 8, 0.15);
  
  --color-hydro: #0EA5E9;
  --color-hydro-hover: #38BDF8;
  --color-hydro-glow: rgba(14, 165, 233, 0.15);
  
  --color-danger: #EF4444;
  --color-success: #22C55E;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Outfit', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
  padding-bottom: 2rem;
}

/* Scrollbar Style */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
}

@media (min-width: 768px) {
  .container {
    padding: 1.5rem;
  }
}

/* Header & Navbar */
header {
  border-bottom: 1px solid var(--border-color);
  background: rgba(11, 15, 25, 0.9);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
}

@media (min-width: 640px) {
  .header-content {
    flex-direction: row;
    justify-content: space-between;
    padding: 1rem;
  }
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  font-size: 1.75rem;
  animation: pulse-glow 3s infinite alternate;
}

.logo-text h1 {
  font-size: 1.25rem;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.025em;
  background: linear-gradient(135deg, var(--color-electric) 0%, var(--color-hydro) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-text p {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.progress-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.03);
  padding: 0.4rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid var(--border-color);
  width: 100%;
  max-width: 320px;
  justify-content: space-between;
}

@media (min-width: 640px) {
  .progress-header {
    width: auto;
    max-width: none;
    justify-content: flex-start;
    gap: 0.75rem;
  }
}

.progress-bar-container {
  flex-grow: 1;
  width: 80px;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 9999px;
  overflow: hidden;
}

@media (min-width: 640px) {
  .progress-bar-container {
    width: 120px;
    flex-grow: 0;
  }
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-electric), var(--color-hydro));
  width: 0%;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-text {
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}

/* Banner de Pagamento / Urgência */
.payment-banner {
  background: radial-gradient(circle at top right, rgba(234, 179, 8, 0.06) 0%, rgba(15, 23, 42, 0.95) 100%);
  border: 1px solid rgba(234, 179, 8, 0.15);
  border-radius: 1.25rem;
  padding: 1.25rem;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
  position: relative;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .payment-banner {
    flex-direction: row;
    align-items: stretch;
    padding: 1.75rem;
    gap: 2rem;
  }
}

/* Esquerda: Urgência */
.payment-urgency-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
}

.payment-urgency-section h2 {
  font-size: 1.15rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-electric);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

@media (min-width: 768px) {
  .payment-urgency-section h2 {
    font-size: 1.3rem;
  }
}

.payment-urgency-section p {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.4;
}

@media (min-width: 768px) {
  .payment-urgency-section p {
    font-size: 0.9rem;
  }
}

.payment-alert-text {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-main);
  background: rgba(239, 68, 68, 0.04);
  padding: 0.6rem 0.85rem;
  border-radius: 0.75rem;
  border-left: 3px solid var(--color-danger);
  line-height: 1.4;
}

.timer-display-container {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.3);
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border-color);
  gap: 1rem;
}

.timer-label {
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.timer-countdown {
  font-size: 1.6rem;
  font-weight: 900;
  font-family: monospace;
  color: var(--text-main);
  letter-spacing: 0.05em;
}

@media (min-width: 480px) {
  .timer-countdown {
    font-size: 1.8rem;
  }
}

.timer-countdown.danger {
  color: var(--color-danger);
  animation: pulse-danger 1s infinite alternate;
}

/* Direita: Cartão de Pagamento */
.payment-info-card {
  width: 100%;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.75rem;
}

@media (min-width: 768px) {
  .payment-info-card {
    width: 320px;
    flex-shrink: 0;
    padding: 1.25rem;
  }
}

.payment-card-title {
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding-bottom: 0.4rem;
  text-align: center;
}

.payment-card-details {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.85rem;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  line-height: 1.3;
}

.detail-row span {
  color: var(--text-muted);
}

.detail-row strong {
  color: var(--text-main);
  font-weight: 700;
}

.pix-box {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 0.75rem;
  padding: 0.4rem;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  width: 100%;
}

.pix-key-display {
  font-family: monospace;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--color-electric);
  padding-left: 0.4rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 180px;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  border: none;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
  background: var(--color-electric);
  color: #000;
  border-radius: 0.5rem;
  padding: 0.4rem 0.8rem;
  font-size: 0.75rem;
  text-transform: uppercase;
}

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

.btn-whatsapp {
  background: #25D366;
  color: #fff;
  border-radius: 0.75rem;
  padding: 0.65rem 1.25rem;
  font-size: 0.85rem;
  width: 100%;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.2);
  text-transform: uppercase;
}

.btn-whatsapp:hover {
  background: #20BA5A;
  transform: translateY(-1px);
}

/* Tabs de Navegação */
.nav-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tab-link {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 800;
  padding: 0.75rem 0.5rem;
  cursor: pointer;
  position: relative;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  text-transform: uppercase;
}

@media (min-width: 480px) {
  .tab-link {
    font-size: 1rem;
    padding: 0.75rem 1rem;
    gap: 0.5rem;
  }
}

.tab-link:hover {
  color: var(--text-main);
}

.tab-link.active {
  color: var(--color-electric);
}

.tab-link.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 2.5px;
  background-color: var(--color-electric);
}

/* Submenu de Rolagem */
.lessons-header-section {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 1rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .lessons-header-section {
    padding: 1.25rem;
  }
}

.lessons-title-bar {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

@media (min-width: 640px) {
  .lessons-title-bar {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.lessons-title-bar h2 {
  font-size: 1.25rem;
  font-weight: 900;
}

@media (min-width: 768px) {
  .lessons-title-bar h2 {
    font-size: 1.5rem;
  }
}

.lessons-submenu {
  display: flex;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  padding: 0.2rem;
  border-radius: 0.5rem;
  gap: 0.2rem;
  width: 100%;
  max-width: 320px;
}

.submenu-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-weight: 800;
  font-size: 0.75rem;
  padding: 0.4rem 0.75rem;
  border-radius: 0.35rem;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  flex: 1;
  text-transform: uppercase;
}

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

.submenu-btn.active.eletrica {
  background: var(--color-electric-glow);
  color: var(--color-electric);
  border: 1px solid rgba(234, 179, 8, 0.2);
}

.submenu-btn.active.hidraulica {
  background: var(--color-hydro-glow);
  color: var(--color-hydro);
  border: 1px solid rgba(14, 165, 233, 0.2);
}

/* Seções de Módulos de Aulas */
.module-section {
  margin-bottom: 2.5rem;
}

.module-title-header {
  font-size: 1.1rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: uppercase;
}

.module-title-header.eletrica {
  color: var(--color-electric);
}

.module-title-header.hidraulica {
  color: var(--color-hydro);
}

.lessons-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 480px) {
  .lessons-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .lessons-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Card de Aula */
.lesson-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}

.lesson-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.12);
}

.lesson-thumbnail-box {
  width: 100%;
  padding-bottom: 56.25%;
  position: relative;
  background: linear-gradient(135deg, #1E293B, #0F172A);
  overflow: hidden;
  cursor: pointer;
}

.thumbnail-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.lesson-card:hover .thumbnail-img {
  transform: scale(1.05);
}

.lesson-thumbnail-fallback {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  background: rgba(11, 15, 25, 0.4);
  transition: background 0.3s;
}

.lesson-card:hover .lesson-thumbnail-fallback {
  background: rgba(11, 15, 25, 0.2);
}

.play-circle {
  width: 2.75rem;
  height: 2.75rem;
  background: rgba(0, 0, 0, 0.6);
  border: 2px solid rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  color: white;
}

.lesson-card:hover .play-circle {
  transform: scale(1.08);
  background: rgba(0, 0, 0, 0.8);
  border-color: white;
}

.lesson-card.eletrica-card:hover .play-circle {
  border-color: var(--color-electric);
  color: var(--color-electric);
}

.lesson-card.hidraulica-card:hover .play-circle {
  border-color: var(--color-hydro);
  color: var(--color-hydro);
}

.lesson-thumbnail-fallback span {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--text-muted);
}

.lesson-info {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: space-between;
}

.lesson-badge {
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.15rem 0.4rem;
  border-radius: 0.2rem;
  align-self: flex-start;
  margin-bottom: 0.4rem;
}

.lesson-badge.eletrica-badge {
  background: var(--color-electric-glow);
  color: var(--color-electric);
  border: 1px solid rgba(234, 179, 8, 0.15);
}

.lesson-badge.hidraulica-badge {
  background: var(--color-hydro-glow);
  color: var(--color-hydro);
  border: 1px solid rgba(14, 165, 233, 0.15);
}

.lesson-title {
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.75rem;
  color: var(--text-main);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 2.5rem;
}

.lesson-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 0.6rem;
}

.checkbox-container {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}

.checkbox-container input {
  display: none;
}

.custom-checkbox {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.checkbox-container input:checked + .custom-checkbox {
  background-color: var(--color-success);
  border-color: var(--color-success);
}

.checkbox-container input:checked + .custom-checkbox::after {
  content: '✓';
  color: white;
  font-size: 0.7rem;
  font-weight: 900;
}

.btn-watch {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  padding: 0.3rem 0.65rem;
  border-radius: 0.4rem;
  font-size: 0.75rem;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-watch:hover {
  background: var(--text-main);
  color: #000;
}

/* Modais (Video Player) */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 100;
  justify-content: center;
  align-items: center;
  padding: 1rem;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: #111827;
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  width: 100%;
  max-width: 720px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  animation: modal-enter 0.25s ease-out;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.modal-header h3 {
  font-size: 1rem;
  font-weight: 800;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 80%;
}

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

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

.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  background: #000;
}

.video-container video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Grid de Ferramentas */
.tools-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 960px) {
  .tools-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1.25rem;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  position: relative;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  border-radius: 1.25rem 1.25rem 0 0;
}

.tool-card.electric-tool::before {
  background: var(--color-electric);
}

.tool-card.hydro-tool::before {
  background: var(--color-hydro);
}

.tool-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 0.75rem;
}

.tool-icon {
  font-size: 1.25rem;
}

.tool-title h3 {
  font-size: 1.05rem;
  font-weight: 800;
}

.tool-title p {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Formulários */
.form-group {
  margin-bottom: 0.75rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

@media (min-width: 480px) {
  .form-row.two-cols {
    grid-template-columns: 1fr 1fr;
  }
  .form-row.three-cols {
    grid-template-columns: 2fr 1fr 1fr;
  }
  .form-row.mixed-cols {
    grid-template-columns: 3fr 1fr;
  }
}

label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

input, select, textarea {
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.55rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.85rem;
  transition: all 0.2s;
  outline: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px rgba(234, 179, 8, 0.15);
}

.tool-card.hydro-tool input:focus, 
.tool-card.hydro-tool select:focus, 
.tool-card.hydro-tool textarea:focus {
  border-color: var(--color-hydro);
  box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.15);
}

.dynamic-items-container {
  background: rgba(0, 0, 0, 0.15);
  padding: 0.75rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border-color);
  margin-bottom: 0.75rem;
}

.dynamic-item-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  align-items: center;
}

@media (min-width: 480px) {
  .dynamic-item-row {
    grid-template-columns: 3fr 1fr 1fr auto;
  }
}

.btn-add-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px dashed rgba(255, 255, 255, 0.12);
  color: var(--text-muted);
  border-radius: 0.5rem;
  width: 100%;
  padding: 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-add-item:hover {
  color: var(--text-main);
  border-color: rgba(255, 255, 255, 0.25);
}

.btn-delete-row {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.15);
  color: var(--color-danger);
  border-radius: 0.4rem;
  padding: 0.55rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-delete-row:hover {
  background: var(--color-danger);
  color: white;
}

.summary-box {
  background: rgba(234, 179, 8, 0.02);
  border: 1px solid rgba(234, 179, 8, 0.08);
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
}

.tool-card.hydro-tool .summary-box {
  background: rgba(14, 165, 233, 0.02);
  border: 1px solid rgba(14, 165, 233, 0.08);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.summary-row.total-row {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-electric);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 0.4rem;
  margin-bottom: 0;
}

.tool-card.hydro-tool .summary-row.total-row {
  color: var(--color-hydro);
}

.actions-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}

@media (min-width: 480px) {
  .actions-row.two-btns {
    grid-template-columns: 1fr 1.5fr;
  }
}

.btn-action {
  padding: 0.65rem 1rem;
  border-radius: 0.5rem;
  font-weight: 800;
  font-size: 0.8rem;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

.btn-action.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.btn-action.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
}

.btn-action.btn-pdf {
  background: var(--color-electric);
  color: #000;
}

.btn-action.btn-pdf:hover {
  background: var(--color-electric-hover);
}

.tool-card.hydro-tool .btn-action.btn-pdf {
  background: var(--color-hydro);
  color: #fff;
}

.tool-card.hydro-tool .btn-action.btn-pdf:hover {
  background: var(--color-hydro-hover);
}

.calc-result-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 1rem;
  margin-top: 1rem;
}

.calc-result-header {
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.calc-result-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 400px) {
  .calc-result-grid.two-cols {
    grid-template-columns: 1fr 1fr;
  }
}

.calc-result-item {
  background: rgba(0, 0, 0, 0.2);
  padding: 0.6rem 0.85rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.02);
}

.calc-result-item span {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 0.1rem;
}

.calc-result-item p {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-electric);
}

.tool-card.hydro-tool .calc-result-item p {
  color: var(--color-hydro);
}

.error-guide-search {
  position: relative;
}

.error-results-list {
  background: #111827;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  max-height: 200px;
  overflow-y: auto;
  margin-top: 0.5rem;
}

.error-item {
  padding: 0.6rem 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.error-item:hover {
  background: rgba(255, 255, 255, 0.02);
}

.error-item-code {
  font-weight: 800;
  color: var(--color-electric);
  font-size: 0.85rem;
}

.error-item-desc {
  font-size: 0.8rem;
  color: var(--text-main);
  margin: 0.2rem 0;
}

.error-item-solution {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--color-success);
  color: white;
  padding: 0.6rem 1.25rem;
  border-radius: 0.5rem;
  font-weight: 700;
  box-shadow: 0 10px 25px -5px rgba(34, 197, 94, 0.4);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  font-size: 0.85rem;
}

.toast.active {
  transform: translateY(0);
  opacity: 1;
}

/* Lock Screen Fullscreen Overlay */
.lock-screen-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: #0B0F19;
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1.5rem;
  overflow-y: auto;
}

.lock-screen-content {
  background: #111827;
  border: 1px solid var(--border-color);
  border-radius: 1.5rem;
  padding: 1.75rem;
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
}

.lock-screen-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.1);
  border: 2px solid rgba(239, 68, 68, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-danger);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.lock-screen-content h2 {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.lock-screen-content p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-bottom: 1.25rem;
}

.lock-screen-pix-box {
  width: 100%;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 1rem;
  margin-bottom: 1.25rem;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.lock-screen-pix-box h4 {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding-bottom: 0.3rem;
  margin-bottom: 0.2rem;
  text-align: center;
}

.lock-screen-pix-details {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.8rem;
}

.lock-screen-unlock-box {
  width: 100%;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.lock-screen-unlock-box label {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 700;
  text-transform: uppercase;
}

.lock-screen-unlock-row {
  display: flex;
  gap: 0.5rem;
  width: 100%;
}

.lock-screen-unlock-row input {
  flex: 1;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.55rem 0.75rem;
  border-radius: 0.5rem;
  outline: none;
  font-size: 0.85rem;
}

.btn-lock-unlock {
  background: var(--color-hydro);
  color: white;
  font-weight: 800;
  padding: 0.55rem 1rem;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  font-size: 0.75rem;
  text-transform: uppercase;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.btn-lock-unlock:hover {
  background: var(--color-hydro-hover);
}

.lock-screen-footer-id {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.08);
  margin-top: 1rem;
  font-family: monospace;
}

@keyframes pulse-glow {
  0% {
    transform: scale(1);
    opacity: 0.9;
  }
  100% {
    transform: scale(1.03);
    opacity: 1;
    text-shadow: 0 0 15px rgba(234, 179, 8, 0.4);
  }
}

@keyframes pulse-danger {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0.5;
  }
}

@keyframes modal-enter {
  0% {
    transform: scale(0.95);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}