* { box-sizing: border-box; }

:root {
  --mamey: #ff6f3c;
  --verde: rgb(0,150,50);
  --bg: #121212;
  --surface: #1c1c1c;
  --text: #f5f5f5;
  --muted: #bbb;
}

body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

/* === SIDEBAR === */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: 230px;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  border-right: 2px solid #222;
  transition: width .3s, transform .5s cubic-bezier(0.25, 1, 0.3, 1);
  z-index: 1000;
  overflow-y: auto;
}

.sidebar.collapsed { width: 70px; }
.sidebar.hidden { transform: translateX(-100%); }

.logo { margin-top: 15px; text-align: center; }
.logo .avatar {
  width: 70px; height: 70px;
  border-radius: 50%;
  border: 3px solid var(--verde);
}

.name { font-size: 0.9rem; margin: 10px 0; }
.name span { color: var(--mamey); }

.nav-links {
  display: flex; flex-direction: column;
  width: 100%; padding: 10px;
}
.nav-links a {
  display: flex; align-items: center;
  gap: 10px; padding: 10px;
  color: var(--text); text-decoration: none;
  border-radius: 8px; transition: .25s;
}
.nav-links a:hover {
  background: #222; color: var(--mamey);
}
.sidebar.collapsed .nav-links a span { display: none; }
.sidebar.collapsed .nav-links a i { margin: auto; }

.collapse-btn {
  background: none; border: none;
  color: var(--muted);
  font-size: 1.3rem; margin-bottom: 15px;
  cursor: pointer; transition: transform .3s;
}
.sidebar.collapsed .collapse-btn i { transform: rotate(180deg); }

/* === BOTÓN HAMBURGUESA === */
.menu-toggle {
  position: fixed;
  top: 15px; left: 15px;
  background: var(--mamey);
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 10px 12px;
  border-radius: 8px;
  z-index: 1200;
  transition: transform .3s;
  display: none;
}
.menu-toggle.active i { transform: rotate(90deg); }

/* === MAIN === */
main {
  margin-left: 230px;
  padding: 25px;
  transition: margin-left .3s;
}
.sidebar.collapsed + main { margin-left: 70px; }

.card {
  background: var(--surface);
  padding: 25px;
  border-radius: 10px;
  margin-bottom: 30px;
  box-shadow: 0 4px 15px rgba(0,0,0,.4);
}

h2 { color: var(--mamey); }
ul { list-style: none; padding: 0; }
ul li { margin-bottom: 8px; }

.btn {
  padding: 10px 20px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  font-weight: bold;
  color: #fff;
}
.btn.verde { background: var(--verde); }
.btn.mamey { background: var(--mamey); }
.btn:hover { filter: brightness(1.1); }

form input, form textarea {
  width: 100%; margin-bottom: 10px;
  background: #222; border: 1px solid #333;
  color: #fff; padding: 10px;
  border-radius: 5px;
}
form button {
  background: var(--mamey); border: none;
  padding: 10px 20px;
  border-radius: 5px; cursor: pointer;
}
footer {
  text-align: center;
  color: #999;
  margin: 40px 0 20px;
}

/* === ANIMACIONES === */
[data-animate] {
  opacity: 0; transform: translateY(30px);
  transition: 0.8s;
}
[data-animate].visible {
  opacity: 1; transform: translateY(0);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.active {
    transform: translateX(0);
  }
  main {
    margin-left: 0;
    padding: 20px;
  }
  .menu-toggle { display: block; }
}