/* --- GLOBAL STYLES & MOBILE FIRST --- */
:root {
    --bg-color: #1a1a1d;
    --card-color: #2c2c34;
    --primary-color: #9575cd;
    --secondary-color: #4db6ac;
    --text-color: #f4f4f9;
    --text-color-muted: #aaa;
    --border-color: #40404a;
    --danger-color: #ef5350;
    --success-color: #66bb6a;
    --warning-color: #fdd835;
    --info-color: var(--primary-color);
    --header-height: 60px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; overflow-y: scroll; }
body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    padding-top: var(--header-height);
}
.hidden { display: none !important; }

/* --- TOAST NOTIFICATIONS --- */
.toast-container {
  position: fixed; top: 80px; right: 1rem; z-index: 2000;
  display: flex; flex-direction: column; gap: 0.5rem;
}
.toast {
  background-color: var(--card-color); color: var(--text-color); padding: 1rem;
  border-radius: 8px; border-left: 5px solid var(--info-color);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3); opacity: 0;
  transform: translateX(100%); transition: all 0.4s ease; cursor: pointer;
}
.toast.show { opacity: 1; transform: translateX(0); }
.toast.is-success { border-left-color: var(--success-color); }
.toast.is-error { border-left-color: var(--danger-color); }
.toast.is-info { border-left-color: var(--secondary-color); }

/* --- GLOBAL ALERT BANNER --- */
.global-alert {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem; background-color: var(--card-color);
  border-left: 5px solid var(--warning-color); border-radius: 8px;
  margin-bottom: 1.5rem; color: var(--text-color);
}
.alert-close-btn { background: none; border: none; color: var(--text-color-muted); font-size: 1.5rem; cursor: pointer; transition: color 0.2s; padding: 0; }
.alert-close-btn svg { display: block; }
.alert-close-btn:hover { color: var(--text-color); }

/* --- PERSISTENT HEADER --- */
.app-header {
    position: fixed; top: 0; left: 0; width: 100%; height: var(--header-height);
    background-color: rgba(44, 44, 52, 0.85);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    display: flex; align-items: center; justify-content: center;
    z-index: 1000; box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--border-color); padding: 0 1rem;
}
.header-content {
  width: 100%; max-width: 1200px; display: flex;
  justify-content: space-between; align-items: center;
}
.app-title { display: flex; align-items: center; gap: 0.75rem; }
.app-title h1 { font-size: 1.4rem; color: var(--text-color); }
.main-nav { display: none; }
.btn-nav {
  background: transparent; border: none; color: var(--text-color-muted);
  padding: 0.5rem; border-radius: 8px; cursor: pointer; font-weight: bold;
  transition: all 0.2s; display: flex; align-items: center; gap: 0.5rem;
}
.btn-nav svg { fill: currentColor; }
.btn-nav span { display: none; } /* Hide text on mobile by default */
.btn-nav:hover { background-color: var(--card-color); color: var(--text-color); }
.btn-nav.active { background-color: var(--primary-color); color: var(--bg-color); }
.btn-view { background: transparent; border: none; padding: 0.5rem; color: var(--text-color-muted); cursor: pointer; display: flex; align-items: center; }
.btn-view.active { background: var(--primary-color); color: var(--bg-color); }
.btn-view:not(:last-child) { border-right: 1px solid var(--border-color); }
#info-icon { padding: 0.5rem; }
.hamburger-btn { display: flex; background: none; border: none; color: var(--text-color); z-index: 1002; }

/* --- MAIN LAYOUT & CONTAINERS --- */
#app-container { max-width: 1200px; margin: 0 auto; padding: 1rem; }
.page-view { width: 100%; }
.app-footer {
    padding: 1.5rem 1rem; margin-top: 1.5rem;
    display: flex; justify-content: center;
    gap: 0.75rem;
}

/* --- GENERAL COMPONENTS --- */
.placeholder-text { color: var(--text-color-muted); text-align: center; padding: 2rem; }
.btn { padding: 0.75rem 1.5rem; border-radius: 8px; border: 1px solid transparent; font-weight: bold; cursor: pointer; transition: all 0.2s; font-size: 0.9rem; text-transform: uppercase; }
.btn-primary { background-color: var(--primary-color); color: var(--bg-color); }
.btn-secondary { color: var(--text-color-muted); border-color: var(--border-color); background-color: transparent; }
.btn-danger { background-color: var(--danger-color); color: var(--text-color); }
.btn:hover { opacity: 0.85; }
.btn-secondary:hover { background-color: var(--card-color); color: var(--text-color); border-color: var(--text-color-muted); opacity: 1; }

/* Responsive Nav */
@media (min-width: 768px) {
    .main-nav { display: flex; gap: 0.5rem; }
    .hamburger-btn { display: none; }
    .btn-nav { padding: 0.5rem 1rem; }
    .btn-nav span { display: inline; }
}

/* Stili per il menu mobile */
.main-nav.is-mobile {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: calc(100vh - 60px);
    background-color: var(--bg-color);
    padding: 1rem;
    gap: 1rem;
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
}
.main-nav.is-mobile.is-open {
    transform: translateX(0);
}
.main-nav.is-mobile .btn-nav {
    justify-content: center;
    padding: 1rem;
    font-size: 1.2rem;
}
.main-nav.is-mobile .btn-nav span {
    display: inline;
}