:root {
  --bg: #0d0d0f;
  --surface: #1a1a1e;
  --surface-hover: #25252b;
  --primary: #ccee00; /* Amarelo Neon */
  --accent: #00d4ff; /* Azul Neon */
  --text: #ffffff;
  --text-muted: #888899;
  --danger: #ff4444;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", sans-serif;
}
h1,
h2,
h3 {
  font-family: "Exo 2", sans-serif;
  text-transform: uppercase;
  font-style: italic;
}

body {
  background-color: var(--bg);
  color: var(--text);
  padding-bottom: 90px; /* Espaço para nav bar */
}

/* Header */
.app-header {
  padding: 15px 20px;
  background: rgba(13, 13, 15, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--surface-hover);
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo-area {
  display: flex;
  align-items: center;
  gap: 10px;
}
.icon-logo {
  font-size: 2rem;
  color: var(--primary);
}
.badge {
  background: var(--primary);
  color: #000;
  font-size: 0.6rem;
  padding: 2px 5px;
  border-radius: 4px;
  font-weight: bold;
  font-style: normal;
}
.current-day-badge {
  font-size: 0.8rem;
  font-weight: bold;
  color: var(--text-muted);
  border: 1px solid var(--surface-hover);
  padding: 5px 10px;
  border-radius: 20px;
}

/* Container & Views */
.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 20px;
}
.view {
  display: none;
  animation: fadeIn 0.3s ease;
}
.view.active {
  display: block;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-title {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 15px;
  border-left: 3px solid var(--primary);
  padding-left: 10px;
}

/* Grid da Agenda */
.week-grid {
  display: grid;
  gap: 10px;
}
.day-card {
  background: var(--surface);
  padding: 15px;
  border-radius: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-left: 4px solid #333;
  cursor: pointer;
  transition: 0.2s;
}
.day-card:active {
  transform: scale(0.98);
  background: var(--surface-hover);
}
.day-label {
  font-weight: 700;
  color: var(--text-muted);
  font-size: 0.8rem;
  display: block;
  margin-bottom: 4px;
}
.workout-name {
  font-weight: 600;
  font-size: 1rem;
}

/* Cores dos Módulos */
.mod-A {
  color: #ff0055 !important;
  border-left-color: #ff0055 !important;
}
.mod-B {
  color: #00d4ff !important;
  border-left-color: #00d4ff !important;
}
.mod-C {
  color: #ccee00 !important;
  border-left-color: #ccee00 !important;
}
.mod-D {
  color: #aa00ff !important;
  border-left-color: #aa00ff !important;
}

/* EXECUÇÃO (Checklist) */
.workout-header {
  background: var(--surface);
  padding: 20px;
  border-radius: 15px;
  margin-bottom: 20px;
  text-align: center;
  border: 1px solid var(--surface-hover);
}
.workout-header h2 {
  font-size: 1.5rem;
  margin-bottom: 5px;
}
.workout-header p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.exercise-item {
  background: var(--surface);
  margin-bottom: 12px;
  padding: 15px;
  border-radius: 12px;
  display: flex;
  gap: 15px;
  align-items: flex-start;
}

/* Checkbox Estilizado */
.check-wrapper {
  position: relative;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  top: 2px;
}
.check-wrapper input {
  opacity: 0;
  width: 100%;
  height: 100%;
  position: absolute;
  cursor: pointer;
  z-index: 2;
}
.custom-check {
  width: 100%;
  height: 100%;
  background: #333;
  border-radius: 6px;
  border: 2px solid #555;
  position: absolute;
  transition: 0.2s;
}
.check-wrapper input:checked ~ .custom-check {
  background: var(--primary);
  border-color: var(--primary);
}
.check-wrapper input:checked ~ .custom-check::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 3px;
  width: 5px;
  height: 10px;
  border: solid #000;
  border-width: 0 3px 3px 0;
  transform: rotate(45deg);
}

.ex-info {
  flex-grow: 1;
}
.ex-name {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 4px;
  display: block;
}
.ex-sets {
  font-size: 0.85rem;
  color: var(--primary);
  font-family: "Exo 2";
  margin-bottom: 8px;
  display: block;
}

.btn-youtube {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(255, 0, 0, 0.1);
  color: #ff4444;
  text-decoration: none;
  font-size: 0.75rem;
  padding: 6px 12px;
  border-radius: 20px;
  font-weight: 600;
  border: 1px solid rgba(255, 0, 0, 0.2);
  transition: 0.2s;
}
.btn-youtube:hover {
  background: #ff4444;
  color: white;
}

/* Estado Vazio/Descanso */
.rest-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}
.rest-icon {
  font-size: 4rem;
  margin-bottom: 15px;
  opacity: 0.5;
}

/* Bottom Nav */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #151518;
  border-top: 1px solid #333;
  display: flex;
  justify-content: space-around;
  padding: 12px;
  z-index: 20;
}
.nav-item {
  background: none;
  border: none;
  color: #666;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  cursor: pointer;
}
.nav-item.active {
  color: var(--primary);
}
.nav-item span.material-icons-round {
  font-size: 1.5rem;
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: flex-end;
  z-index: 100;
}
.modal.hidden {
  display: none;
}
.modal-content {
  background: var(--surface);
  width: 100%;
  padding: 25px;
  border-radius: 20px 20px 0 0;
  animation: slideUp 0.3s;
}
.module-options {
  display: grid;
  gap: 10px;
  margin: 20px 0;
}
.module-btn {
  background: #25252b;
  border: none;
  padding: 15px;
  border-radius: 10px;
  color: white;
  text-align: left;
  cursor: pointer;
}
.btn-cancel {
  width: 100%;
  padding: 15px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-weight: bold;
  cursor: pointer;
}
@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}