/* css/layout.css */

.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
    min-height: 100dvh;
    max-width: 100vw;
    overflow: hidden;
}

.header {
    background: linear-gradient(180deg, var(--header-grad-top), var(--header-grad-bottom));
    border-bottom: 1px solid var(--border);
    padding: calc(0.5rem + env(safe-area-inset-top, 0px)) 1rem 0.75rem;
    flex-shrink: 0;
    z-index: 100;
    position: relative;
}

.main-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 1rem;
    padding-bottom: calc(var(--player-height, 112px) + 16px); /* Altura do player + folga */
}

.section {
    display: none;
}

.section.active {
    display: block;
}

.player {
    position: fixed;
    bottom: var(--bottom-nav-height, 0);
    left: 0;
    width: 100%;
    background: #111111;
    border-top: 1px solid #333333;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    z-index: 200;
    transition: transform 0.3s ease;
}

.player.expanded {
    transform: translateY(0);
    position: fixed;
    top: var(--header-height, 56px);
    bottom: var(--bottom-nav-height, 0px);
    left: 0;
    width: 100%;
    height: auto;
    max-height: calc(100dvh - var(--header-height, 56px) - var(--bottom-nav-height, 0px));
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: 1rem 1rem calc(12px + var(--bottom-nav-height, 0px) + env(safe-area-inset-bottom, 0px));
    border-top-left-radius: 16px;
    border-top-right-radius: 16px;
    overflow-y: hidden;
}

/* Media Queries para Responsividade */

@media (max-width: 768px) {
    .header {
        padding: 0.5rem;
    }

    .main-content {
        padding: 0.5rem;
        padding-bottom: calc(var(--player-height, 96px) + var(--bottom-nav-height, 0) + 12px);
    }

    .player {
        padding: 0.5rem;
    }
}

@media (max-width: 600px) {
  /* Expanded behaves like footer on mobile */
  .player.expanded {
    height: auto;
    max-height: calc(100dvh - var(--header-height, 56px) - var(--bottom-nav-height, 0px));
    padding: 0.5rem 0.5rem calc(8px + var(--bottom-nav-height, 0px) + env(safe-area-inset-bottom, 0px));
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    overflow-y: hidden;
  }
  .player.expanded .close-expanded { display: none !important; }
}